Class / Patent application number | Description | Number of patent applications / Date published |
252175000 | WATER-SOFTENING OR PURIFYING OR SCALE-INHIBITING AGENTS | 83 |
20080277620 | Polysaccharide based scale inhibitor - A depolymerized-carboxyalkyl polysaccharide formed by de polymerizing a polysaccharide having from 0.5 to 3.0 degrees of substitution and reducing the molecular weight of said polysaccharide before or after said depolymerizing provides a biodegradable scale inhibitor useful to prevent deposition of scale comprising, for example, calcium, barium, sulfate and salts thereof. The depolymerized carboxyalkyl polysaccharide is particularly useful in off shore oil production squeeze treatments and in the treatment of scale formed in industrial water treatment. | 11-13-2008 |
20090184288 | Flocculant and Method for Manufacturing the Same - A flocculant including, as a principal component, unit particles obtained by breaking down aggregates of mineral particles in a mineral raw material principally comprising fine particles of a hydrous aluminum silicate including soils or weathering products of rocks including volcanic eruptives | 07-23-2009 |
20090206298 | Calcium Reduction Composition and Method - A formula and method for reducing water hardness includes the combination of a sulfate donor, salt of phosphoric acid, and salt of sulfamic acid. Preferred formulas include effective amounts of sodium bisulfate, sodium hexametaphosphate, and sulfamic acid. In a swimming pool, preferred formulas are effective in reducing calcium to under 200 ppm within a two day period. In addition, preferred formulas provide ongoing effectiveness in suppressing scaling, staining and cloudy water. | 08-20-2009 |
20090294725 | Controlled release cooling additive compositions - A controlled release additive composition for use in aqueous coolant systems is disclosed and comprises a core containing at least one additive component and a polymeric coating including one or more defined polymers substantially surrounding the core. The controlled released additive composition slowly releases the additive component into the aqueous coolant of an open, circulating cooling water system, thereby delivering an effective concentration level of the additive component over an extended period. | 12-03-2009 |
20100012885 | HYDROPHOBICALLY MODIFIED POLYMERS - Hydrophobically modified polymers for use as anti-scalant and dispersant. The polymers are useful in compositions used in aqueous systems. The polymers include at least one hydrophilic acid monomer, wherein the at least one hydrophilic acid monomer is a polymerizable carboxylic acid or sulfonic acid functionality but not both. The polymers also include at least one hydrophobic moiety. A solvent-free process for preparing these polymers is also provided. | 01-21-2010 |
20100025626 | TWO-LAYER COMPACTED SOLID PRODUCT FOR WATER POTABILIZATION AND PREPARATION METHOD - The present invention relates to a compacted solid product for water purification comprising:—at least a first layer comprising at least a coagulant/flocculant system comprising at least one polyvalent inorganic salt, at least one water-soluble cationic polymer and at least one high-molecular-weight anionic polymer,—at least a second layer comprising at least one disinfectant that releases active chlorine on contact with water, characterized in that said coagulant/flocculant system moreover comprises a sodium alginate. The invention also relates to the method for preparing such a product. | 02-04-2010 |
20100163789 | CALCIUM CARBONATE SCALE INHIBITOR AND REMOVER FOR FRESHWATER AND SEAWATER FLUSHED SANITARY WASTE SYSTEMS - A powder formulation containing biodegradable organic compounds which will not bioaccumulate or pollute, allow for the safe and effective room temperature elimination of scale from freshwater and seawater flushed toilets and sanitary waste systems. The formulation mixes readily with water and removes only scales and deposits, not the underlying materials of construction. The formulation is non-toxic, non-caustic, non-flammable, and contains no mineral acids. | 07-01-2010 |
20100264361 | SOLID COMPOSITION FOR TREATING WATER - Solid water treatment compositions are provided comprising (a) a halogen-containing source; (b) a boron-containing source; and (c) a polyphosphate-containing source. Methods for their use are also provided. | 10-21-2010 |
20110073802 | SLOW RELEASE TABLET COMPOSITION FOR TREATING INDUSTRIAL WATER SYSTEMS - The present invention provides for a slow release composition, preferably as a tablet, for industrial water systems, under an alkaline pH or high water hardness, using as an active ingredient a multifunctional amine of Formula (I) and a hydrophilic polymer, and other components such as a compression agent, in one composition as a biocide, biostat, biodispersant, deposit penetrant aid, organic deposit remover, detergent, surfactant, antifoam, scale inhibitor, scale remover, and a corosion inhibitor. The composition is used in multiple water cycles, can remove, disperse or inhibit fouling. The active ingredient(s) of the composition is released over a long time, up to 6 months. | 03-31-2011 |
20110133116 | METHOD OF WATER TREATMENT - A method for securing the use of an aqueous medium under any substantial exclusion of metal ion interference is disclosed. A phosphonic acid compound containing: a selected phosphonate moiety and a moiety selected from a limited number of species; or hydrocarbon chains containing aminoalkylene phosphonic acid substituents; or alkylamino alkylene phosphonic acids containing an active moiety embodying N, O, and S. The technology can, by way of illustration, be used in numerous applications including secondary oil recovery, scale inhibition, industrial water treatment, paper pulp bleaching, dispersant treatment, sequestering application, brightness reversion avoidance and paper pulp treatment. | 06-09-2011 |
20110193011 | Process for the purification of water - The present invention relates to a process for the purification of water by adding surface-reacted calcium carbonate or an aqueous suspension comprising surface-reacted calcium carbonate and having a pH greater than 6.0 measured at 20° C., to the medium, wherein the surface-reacted calcium carbonate is a reaction product of natural calcium carbonate with carbon dioxide and one or more acids and the use of the surface-reacted natural calcium carbonate for this process. | 08-11-2011 |
20110297874 | COMPOSITION FOR DECREASING HARDNESS OF WATER - The present invention relates to a composition for decreasing the hardness of water, which includes water soluble silica. The composition for decreasing the hardness of water of the present invention can decrease the hardness of hard water to a level capable of drinking on a simple and small scale level in an area without a large scale water-purifying facility. | 12-08-2011 |
20120168674 | ENVIRONMENTALLY-FRIENDLY FUNCTIONAL ANTIFOAMING AGENT USING LOESS - An aspect of the present disclosure relates to a functional defoaming agent composition, and more particularly to an environmentally-friendly defoaming agent composition containing loess. In an aspect, a loess-based, environmentally-friendly functional defoaming agent includes: 1-20 wt % loess; 10-30 wt % silicone resin having a kinematic viscosity of 10-50,000 cst; 1-5 wt % thickening agent; 1-10 wt % natural surfactant; 1-10 wt % water-purifying agent; and 60-80 wt % water. In another aspect, a loess-based, environmentally friendly functional defoaming agent includes: 1-20 wt % inorganic mixture of loess with at least one selected from among elvan, tourmaline and germanium; 10-30 wt % silicone resin having a kinematic viscosity of 10-50,000 cst; 1-5 wt % thickening agent; 1-10 wt % natural surfactant; 1-10 wt % water-purifying agent; and 60-80 wt % water. | 07-05-2012 |
20130175468 | DECOMPOSER CONTAINING IRON PARTICLES FOR ORGANOHALOGEN COMPOUND AND METHOD FOR PRODUCING THE SAME - A decomposer for an organohalogen compound, containing iron particles comprising iron and iron oxide, wherein the iron particles have a metallic iron content of 15% or more by mass, wherein the metallic iron content is a content of metallic iron in the outermost surface layer of the iron particles to which the ion beam etching has been applied twice under the following etching conditions:
| 07-11-2013 |
20140091254 | METHOD OF MANUFACTURING COMPOSITIONS FOR REMOVING HALOGENATED HYDROCARBONS FROM CONTAMINATED ENVIRONMENTS - The present invention provides a supported reactant for in situ remediation of soil and/or groundwater contaminated with a halogenated hydrocarbon consisting essentially of an adsorbent impregnated with elemental iron, wherein the adsorbent is capable of adsorbing the halogenated hydrocarbon. In one embodiment, the adsorbent is activated carbon. | 04-03-2014 |
20140097381 | ENHANCED CHEMICAL OXIDATION - Compositions and methods for oxidizing contaminants present in environmental media. The compositions include a mixture of persulfate salts and borate salts to activate the persulfate's oxidation of contaminants. | 04-10-2014 |
20140110627 | Compositions and Methods for the Removal of Phosphates and Other Contaminants from Aqueous Solutions - Compositions and methods for removing phosphates, nitrates and heavy metals from aqueous solutions. | 04-24-2014 |
20140183404 | METHOD OF MAKING A NANO-PARTICLE PHOTOCATALYST - A novel composition for a photocatalyst Fe doped ZnO nano-particle photocatalyst that enables the decontamination process by degrading toxic organic material such as brilliant cresyl blue, indigo carmine and gentian blue by using solar light is described. In the current disclosure method of making a specific size of the nano photocatalyst is described. Characterization of the photocatalyst, optimal working conditions and efficient use of solar light has been described to show that this photocatalyst is unique. The process described to use the photocatalyst to degrade toxic organic material using the solar light to activate the photocatalyst is cost efficient and cheap to clean our water resources. | 07-03-2014 |
20140306148 | Particulate Sorption Medium Prepared From Partially Decomposed Organic Matter - A process for the preparation from a partially decomposed organic material like peat a granulated or pelletized sorption medium using low-temperature, thermal activation of the sorption medium to produce a high degree of granule or pellet hardness balanced against an efficacious level of ion-exchange and adsorption capacity, followed by chemical treatment of the thermally-activated sorption material via an acid solution and a salt solution to increase its ion-exchange and adsorption performance while minimizing the transfer of natural impurities found in the sorption medium to an aqueous solution is provided by this invention. The sorption medium of this invention can be used in a variety of aqueous solution treatment processes, such as wastewater treatment. | 10-16-2014 |
20140361215 | PRODUCT AND METHOD FOR ENHANCING THE BIOPHYSICAL EFFECTS OF WATER - A product-by-process produces a product having a vibrational frequency to balance the chemistry of water when untreated water is exposed to the product to thereby enhance the biophysical properties of water, without adding any compound to the water. The result of the exposure is that the physical properties of specific gravity, conductivity, and resistivity of water are modified, and the biophysical properties of the treated water in organisms such as humans, including but not limited to hydration, oxygenation, and detoxification, are enhanced as verified by human clinical tests. | 12-11-2014 |
20150021514 | Stable Salt-Free Polyaluminum Chlorosulfates - Highly sulfated, high basicity polyaluminum chlorosulfate compositions that can be made by mixing dry aluminum hydroxychloride with a solution of aluminum sulfate or by diluting a dry mixture of aluminum hydroxychloride and aluminum sulfate with water. | 01-22-2015 |
20150076397 | TURBIDITY REMOVAL SOLUTION - A composition for purifying raw water comprising alum, sodium carbonate, calcium hypochlorite and bentonice is described. | 03-19-2015 |
20150102255 | LIQUID TREATMENT DEVICE AND LIQUID TREATMENT METHOD - The present disclosure provides a liquid treatment device and a liquid treatment method each capable of efficiently generating plasma and treating a liquid in a short time period. A liquid treatment device according to the present disclosure includes a first electrode, a second electrode disposed in a liquid, an insulator disposed surrounding the first electrode through a space, the insulator having an opening portion at a position in contact with the liquid, and a power supply that applies an AC voltage or a pulse voltage between the first electrode and the second electrode. | 04-16-2015 |
20160051932 | METHOD FOR REGENERATING AMMONIUM BICARBONATE SOLUTION IN FORWARD OSMOTIC PRESSURE TYPE WATER TREATMENT APPARATUS AND REGENERATION APPARATUS THEREFOR - According to a method and an apparatus for regenerating an ammonium bicarbonate solution of the present invention, an evaporator, an absorber, and a concentrator, which can separate and concentrate an ammonium bicarbonate solution used as an osmotic solution, are arranged in the type of a tower, so it is possible to prevent precipitation of a salt in the process and continuously regenerate ammonium bicarbonate solution used as an osmotic solution. | 02-25-2016 |
20160107140 | ADSORBENT MATERIAL AND METHOD FOR PRODUCING CRYSTALLINE SILICOTITANATE - There is provided an adsorbent material having adsorptive removal properties of Cs and Sr in seawater, and a method for producing a crystalline silicotitanate suitable for the adsorbent material. The adsorbent material includes one selected from crystalline silicotitanates represented by Na | 04-21-2016 |
20160107210 | METHOD FOR TREATING SOIL AND GROUNDWATER CONTAINING HEAVY METALS INCLUDING NICKEL - A method of reducing the mobility of metal contaminates in mediums such as soil, groundwater, sludge, etc. that involves contacting the mediums with a reagent that is a ferrous sulfide suspension that contains at least FeS and Al(OH) | 04-21-2016 |
20160107906 | POLY ALUMINIUM-SILICATE COMPOSITIONS AND PROCESSES FOR PRODUCING THE SAME - The present invention relates to an improved poly aluminium-silicate composite composition, an improved method for preparing said composition as well intermediate poly silicate and aluminium-silicate compositions and their preparation. Moreover, the present invention relates to the use of a said poly aluminium-silicate composition as a coagulant in purification of water, such as drinking water or waste water. | 04-21-2016 |
20160122200 | IMPROVED METHOD FOR OBTAINING AN IRON-COMPRISING SOLUTION OF HIGH CONCENTRATION - The current invention concerns a method for increasing an iron content of a solution by converting low iron containing solutions into highly concentrated ferric chloride solutions by adding iron containing substances. The invention concerns also a method for transporting and storage age of said highly concentrated ferric chloride solutions. | 05-05-2016 |
20160175777 | DRAW SOLUTION FOR FORWARD OSMOSIS PROCESS | 06-23-2016 |
252176000 | Packages or heterogeneous arrangements | 10 |
20090179173 | Water Softening Method - This invention relates to a method of water-softening using a water-softening product and products useful in such methods. The invention describes improved products and processes for their preparation wherein a water-softening composition is held between a water permeable water-insoluble web. | 07-16-2009 |
20130256590 | MICROEMULSIONS AND USES THEREOF IN DISPERSING CATALYSTS - Compositions for converting contaminants or dispersing compounds are described. Systems and methods of using the compositions are also disclosed. | 10-03-2013 |
20130320255 | VEGETABLE OIL-BASED POLYMERS FOR NANOPARTICLE SURFACE MODIFCATION - Amphiphilic copolymers formed from plant oil-derived vinyl ether monomers and polyethylene glycol alkyl vinyl ethers are provided. Nanoparticles coated with these amphiphilic polymers are well-suited for water remediation applications. | 12-05-2013 |
20140117273 | USE OF A DUAL POLYMER SYSTEM FOR ENHANCED WATER RECOVERY AND IMPROVED SEPARATION OF SUSPENDED SOLIDS AND OTHER SUBSTANCES FROM AN AQUEOUS MEDIA - A method uses anionic and cationic polymers added in, any order or simultaneously, to aqueous media for the removal of substances. The sequential addition of the two biopolymers, anionic xanthan, followed by cationic chitosan, causes the rapid formation of very large and cohesive fibrillar aggregates that may exhibit high solids to liquid ratios and that quickly settle out from the aqueous media. The aqueous media can be easily separated from the large fibrillar aggregates by settling under gravity or by filtration through a porous containment device, such as a synthetic or non-synthetic woven or non-woven fabric including a geotextile fabric or a solid containment device containing a solid mesh screen. | 05-01-2014 |
20140183405 | FLOATING TYPE ADSORBENT FOR REMOVAL OF PHOSPHATE IN AQUEOUS SOLUTION AND METHOD FOR FABRICATING THE SAME AND METHOD FOR REGENERATION OF THE SAME - The present disclosure relates to a floating type adsorbent for removal of phosphate that can effectively remove phosphate from aqueous phase through reaction between an amine function attached on the surface of a sponge and phosphate. This adsorbent can be regenerated by desorbing the adsorbed phosphate, a method for fabricating same and a method for regeneration the floating type adsorbent for removal of phosphate. The floating type adsorbent for removal of phosphate according to the present disclosure is fabricated by immersing a sponge in a mixture solution of an amine precursor and anhydrous toluene to form an amine function on the surface of the sponge. The amine precursor may be 3-aminopropyltriethoxysilane (APTES) and the APTES and the anhydrous toluene may be mixed at a volume ratio of 0.5-1:1. | 07-03-2014 |
20140209831 | SURFACE-REACTED CALCIUM CARBONATE AND ITS USE IN WASTE WATER TREATMENT - The present invention relates to a process for the purification of water, wherein a surface-reacted natural calcium carbonate is brought into contact with the water to be purified, the surface-reacted natural calcium carbonate being the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally. | 07-31-2014 |
20140284519 | SURFACE-TREATED CALCIUM CARBONATE AND ITS USE IN WATER PURIFICATION AND FOR THE DEWATERING OF SLUDGES AND SEDIMENTS - The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a surface-treated calcium carbonate for water purification and/or dewatering of sludges and/or sediments, as well as to the use of a surface-treated calcium carbonate for reducing the amount of polymeric flocculation aids in water and/or sludges and/or sediments and to a composite material comprising a surface-treated calcium carbonate and impurities originated from different sources obtainable by said process. | 09-25-2014 |
20140319412 | PROCESS FOR PREPARING SURFACE-REACTED CALCIUM CARBONATE AND ITS USE - The present invention relates to an economic process for preparing surface-reacted calcium carbonate. The present invention further relates to a surface-reacted calcium carbonate having an increased specific BET surface area, and the use of a process for adjusting the specific BET surface area. | 10-30-2014 |
20150069292 | METAL-ADSORBING GEL AND ADSORBENT SUPPORTING METAL-ADSORBING GEL | 03-12-2015 |
20160075571 | METHOD FOR PREPARING ANTI-HARDENING GRANULOUS CERAMIC IRON-CARBON MICRO-ELECTROLYSIS FILLER BY USING INDUSTRIAL WASTE - A method for preparing un-hardened ceramic micro-electrolysis fillers by industrial solid wastes comprises: (1) Scrap iron, lignin, red mud and clay was completely mixed as mass ratio (4-5):(2-3):(1-3):3 and then made into pellets; (2) The dried pellets were sintered without oxygen. The production could be used in wastewater treatment, which could not only increase biodegradability but also decrease CODCr and toxicity in a short time. | 03-17-2016 |
252178000 | Deoxidant or free-metal containing | 3 |
20110001083 | ENVIRONMENTALLY BENIGN WATER SCALE INHIBITOR COMPOSITIONS AND METHOD FOR MAKING AND USING SAME - Scale inhibition compositions and methods for use are disclose, where the composition including one or a plurality chelating agents, one or a plurality dispersing agents, one or a plurality of oxygen scavenging agents including one sugar alcohol or a plurality of sugar alcohols, and pH adjusted to a pH greater than about 9. | 01-06-2011 |
20130099158 | AQUEOUS POWDER WATER TREATMENT COMPOSITIONS AND METHODS FOR MAKING SAME - Embodiments of a method of producing an aqueous powder composition for treating water comprise mixing sodium metabisulfite powder with amines, wherein the amines comprises liquid cyclohexylamine, and adding water to the mixture of sodium metabisulfite powder and liquid cyclohexylamine to catalyze the production of the aqueous powder composition. | 04-25-2013 |
20190144314 | DEOXIDIZING AGENT FOR BOILERS AND METHOD FOR DEOXIDIZING BOILER WATER SYSTEM | 05-16-2019 |
252179000 | Water-insoluble base-exchange agent containing | 3 |
20110278493 | NON-AGGLOMERATING MIXED BED ION EXCHANGERS - The invention relates to a process for producing non-agglomerating mixed bed ion exchangers or mixed bed components. | 11-17-2011 |
20120205579 | MODIFIED ADSORBENT FOR CAPTURING HEAVY METALS IN AQUEOUS SOLUTION - A method and adsorbent composition for removing heavy metals from contaminated water, comprising passing a stream of water having a concentration of one or more heavy metals through an adsorbent comprising granules of a mixture of from about 1 wt % to about 15 wt % clay and a thermoplastic polymer matrix; and collecting water having a reduced concentration of said heavy metal(s) downstream of said adsorbent. | 08-16-2012 |
20120261609 | Composition and Method for Removing Metal Contaminants - A composition comprising a substrate, an organic ion, and a metal binding agent, wherein the substrate comprises a natural clay, a synthetic clay, a natural zeolite, a synthetic zeolite, a polymer resin, lignite, kaolinite, serpentine, illite, chlorite, smectite, montmorillonite, saponite, sepiolite, nontronite, beidellite, hectorite, fuller's earth, attapulgite, bentonite, analcime, chabazite, heulandite, natrolite, phillipsite, stilbite, diethyl aminoethyl, quaternary aminoethyl, or combinations thereof, wherein the organic ion comprises quaternary amines, imidazolium salts, phosphonium salts, tetra alkyl ammonium, bis-(hydrogenated tallow)-dimethyl-ammonium chloride, bis-(hydrogenated tallow)-benzyl-methyl-ammonium chloride, 4,5-dihydro-1-methyl-2-nortallow-alkyl-1-(2-tallow-amidoethyl)-imidazolium methyl sulfate, 1-ethyl-4,5-dihydro-3-(2-hydroxyethyl)-2-(8-heptadecenyl)-imidazolium ethyl sulfate, or combinations thereof, and wherein the metal-binding agent comprises mercaptan, carboxylic acid, chelating agents, amines, esters, carboxylic acids, alcohols, ethers, aldehydes, ketones, alkenes, alkynes, mercaptans, thiols, tert-dodecanethiol, nonanethiol, octanethiol, n-stearic acid, iso-stearic acid, palmitic acid, or combinations thereof. | 10-18-2012 |
252180000 | Plant or organic material containing | 38 |
20080245994 | Cleaning Method - This invention relates to a method of softening water and/or in which the deposition of hard water scale is inhibited. The invention relates in particular to such a method carried out in a domestic environment, in particular in ware-washing machines. A compressed water-softening composition comprising a water softening active and a blend of disintegrating agents, comprising a cross-linked polyplasdone, a water-swellable cellulose and optionally a water soluble salt is claimed. | 10-09-2008 |
20090020728 | METHOD FOR CONTROLLING THE THICKENING OF AQUEOUS SYSTEMS - A method for controlling the thickening of aqueous systems comprising silicates, which comprises adding to the aqueous system at least one copolymer of a mean molecular weight Mw of greater than 60 000 g/mol and the copolymer being made up essentially randomly from monoethylenically unsaturated monocarboxylic acids, monoethylenically unsaturated dicarboxylic acids and optionally other ethylenically unsaturated comonomers, the quantitative figures being respectively based on the total amount of all monomers used. | 01-22-2009 |
20100072419 | ALOE DERIVED SCALE INHIBITOR - A method is provided for inhibiting scale in a liquid hydrocarbon system, including the steps of: providing a liquid hydrocarbon system; providing an aloe-derived scale inhibitor; and mixing the aloe-derived scale inhibitor with the liquid hydrocarbon system in amounts effective to inhibit formation of scale. The scale inhibitor is aloe gel dissolved in water at a concentration of between about 5 and about 50% wt/wt, which includes polysaccharides having a hydrocarbon chain structure having carboxyl and alcohol functional groups that interact with divalent ions. | 03-25-2010 |
20100171070 | PROCESS AND POLYMER FOR PREVENTING Ba/Sr SCALE WITH A DETECTABLE PHOSPHORUS FUNCTIONALITY - The present invention relates to a process for preparing a phosphorus-containing polymer, comprising the steps of
| 07-08-2010 |
20100193729 | FORMULATION AND METHOD FOR PROVIDING SAFE, CLEAN CHLORINATED RECREATIONAL WATER - A solid formulation for use with sodium chloride and a chlorine generator to provide safe, clean chlorinated recreational water. The formulation comprises a chlorine stabilizing agent and a phosphate remover agent. An enhanced salt comprising a chlorine stabilizing agent, a phosphate remover agent and sodium chloride is also described. The formulation and enhanced salt can also contain a metal chelating agent and a pH balancing agent. A cleaning agent may also be included. A fast dissolving sodium cyanurate compound is used for the chlorine stabilizing agent. A method, kit, and system for providing safe, clean chlorinated recreational water are also disclosed. | 08-05-2010 |
20100294984 | METHODS OF INHIBITING SCALE OF SILICA - The invention relates to a method of controlling silica scale in an aqueous system, including adding an effective amount of mixture of a first polymer and a second polymer into the aqueous system, wherein the first polymer and the second polymer each has at least one of a first structural unit derived from any of quaternary ammonium monomer, quaternary phosphonium monomer, and quaternary sulfonium monomer and a second structural unit derived from any of sulfonic acid, sulfuric acid, phosphoric acid, carboxylic acid and any salt thereof, the first polymer bears a first net charge or being neutral, the second polymer bears a second net charge opposite the first net charge or bearing positive net charge when the first polymer is neutral, the first structural unit is from about 1 mol % to about 99 mol % of the mixture. | 11-25-2010 |
20110017945 | NOVEL FORMULATION OF A WARE WASHING SOLID CONTROLLING HARDNESS - A water hardness controlling agent includes an acrylate polymer having a molecular weight of about 4,500 g/mol, an acrylate-maleic copolymer having a molecular weight of about 40,000 g/mol and a 2-phosphonobutane-1,2,4-tricarboxylic acid. A ratio of acrylate-maleic copolymer to acrylate polymer to the 2-phosphonobutane-1,2,4-tricarboxylic acid in parts per million is about 5-30:10-40:6-20. | 01-27-2011 |
20110210286 | Remediation of Waste Water - A non-toxic waste water treatment composition is provided. The waste water treatment composition is formed from: (a) an alkanolamide; (b) an ethoxylated alkylphenol, ethoxylated aryl phenol, or combination thereof; (c) a first surfactant selected from the group consisting of: an ethoxylated alcohol, a glycerol ester, a propoxylated fatty acid, an ethoxylated fatty acid, a propoxylated alcohol, an ethoxylated alcohol, a propoxylated alkyl phenol, an ethoxylated alkyl phenol, and a combination thereof; (d) a second surfactant selected from the group consisting of: a sulfosuccinate, a sulfosuccinate derivative, an imidazoline, an imidazoline derivative, and a combination thereof; and (e) optionally, a foaming agent. Methods for forming the non-toxic composition and for treating waste water with the composition are also provided. Finally an apparatus for introducing a waste water treatment composition into a waste water system is provided. The apparatus includes tubing for delivering the waste water treatment composition to at least one spray nozzle and a swivel fitting connecting the tubing to the spray nozzle. The spray nozzle is configured to deliver the waste water treatment composition into the waste water system, and the swivel fitting permits 360 degree rotation of the spray nozzle around the tubing. | 09-01-2011 |
20120056127 | METHODS OF BIOREMEDIATION - Methods for bioremediation of contaminants in water using soapstock, an acid oil of soapstock, a neutralized acid oil of soapstock or combinations thereof are described. Systems for bioremediation are also disclosed. | 03-08-2012 |
20120080641 | FORMULATIONS FOR USE IN SULFUR SCALE CONTROL IN INDUSTRIAL WATER SYSTEMS - Formulations of the present invention contain compounds of Formula (I) that are used as Sulfur Scale Inhibition and/or Removal Agents in the treatment of Industrial Water Systems. | 04-05-2012 |
20120199783 | LOW MOLECULAR WEIGHT PHOSPHORUS-CONTAINING POLYACRYLIC ACIDS AND USE THEREOF AS SCALE INHIBITORS IN WATER-CARRYING SYSTEMS - The invention relates to an aqueous solution of acrylic acid polymers, obtainable by polymerization of acrylic acid in feed mode with peroxodisulfate as initiator in the presence of hypophosphite in water as solvent, wherein
| 08-09-2012 |
20130234063 | TAGGED SCALE INHIBITOR COMPOSITIONS AND METHODS OF INHIBITING SCALE - Scale inhibitor compositions and methods of inhibiting scale formation generally include a tagged scale inhibiting (co)polymer including at least one scale inhibiting moiety and an imidazole moiety. The imidazole moiety fluoresces at a wavelength of about 424 nm and can be used to detect the amount of scale inhibitor present. | 09-12-2013 |
20130277603 | PROCESS FOR PREPARATION, APPLICATION AND RECOVERY OF ABSORBENT MATERIAL FOR NONPOLAR COMPOUNDS OR MIXTURES - The present invention describes the method for preparing, using and recovering an absorbent material for apolar compounds or mixtures of apolar compounds, such as organic solvents, mineral oil and derivatives thereof, lubricant oils, edible oils, inter alia. The absorbent material is composed of an inorganic matrix of high porosity, low density and high mechanical resistance. This matrix is rendered water-proof, thus acquiring the property of absorbing apolar compounds or mixtures of apolar compounds. | 10-24-2013 |
20130299734 | Multi-Component Scavenging Systems - A multi-component scavenging system containing at least one ester and at least one electron-deficient organic compound, together with or without one or more optional components such as an aldehyde having from 4 to 20 carbon atoms, a ketone having from 4 to 20 carbon atoms, an ether, a solvent, an alkali metal salt of an alkyl or dialkyl phenol, an epoxide, an alkyl anhydride, and mixtures thereof, may be used to scavenge contaminants from hydrocarbon and/or aqueous streams. The contaminants scavenged or otherwise removed may include, but are not necessarily limited to, ammonia, primary amines, secondary or tertiary amines, H | 11-14-2013 |
20140027669 | Use of Branched Polyesters based on Citric Acid as Additive in Washing Compositions, Detergents or a Formulation for Water Treatment - The present invention relates to the use of branched polyesters obtainable by polycondensation of citric acid with at least one polyalcohol, and optionally with polycarboxylic acid component as additive in washing compositions, cleaners, detergents or a formulation for water treatment and to mixtures comprising such branched polyesters. The invention further relates to the use of hydrophobically modified branched polyesters, and to the method for cleaning, washing or water treatment using such branched polyesters. | 01-30-2014 |
20140084206 | Treating Additives for the Deactivation of Sulfur Species Within a Stream - There is provided, in one form, a method for at least partially deactivating a sulfur species from a stream, such as but not limited to a hydrocarbon stream, an aqueous stream, and mixtures thereof. A treating mixture may be introduced into the stream in an amount effective to at least partially deactivate the sulfur species from the stream. The treating mixture may include a compound having the general formula: | 03-27-2014 |
20140332714 | POLYMER ADSORBENT - Problem To provide a method for easily producing an adsorbing material used for the removal and recovery of metals and ions in a solution, which is highly durable and has various adsorptive functional groups and forms applicable for various purposes. | 11-13-2014 |
20140374650 | WATER PURIFICATION COMPOSITIONS OF MAGNESIUM OXIDE AND APPLICATIONS THEREOF - Provided herein is a water purification composition containing a magnesium oxide component and a binder. In certain embodiments, the binder is selected from the group consisting of a polymeric binder, calcium aluminum silicate, and combinations of these. In certain embodiments, the polymeric binder is selected from the group consisting of polymethyl methacrylate, polyethylene, and combinations of these and is present in the composition in an amount of from about 12% to about 20% by weight. In other embodiments, the binder contains calcium aluminum silicate in an amount of from about 1% to about 15% by weight. | 12-25-2014 |
20150076398 | Bioremediation of soil and groundwater - A formulation for the bioremediation of soil or groundwater includes from about 80 to 95% of an emulsifiable C4-C22 vegetable oil selected from the group consisting of soybean oil, coconut oil, rapeseed (canola) oil, peanut oil, crambe oil, sunflower oil and combinations thereof; and from about 5 to 20% of an emulsifier selected from the group consisting of a vegetable oil derived from a C16-C20 fatty acid ester or a mixture of such esters. The efficacy of the formulation is improved by adding hydrogen-enriched water to the emulsifiable oil as a dilution fluid. | 03-19-2015 |
20150360982 | Bioremediation of soil and groundwater - A composition for the bioremediation of soil or groundwater includes 35 to 60% by weight of an emulsifiable C4-C22 vegetable oil such as soybean or corn oil, about 60-35% by weight of a non-ionic surfactant/co-surfactant blend such as Tween 80®/Labrafil® mixed with Kolliphor EL®/Waglinol®, and about 0-12% by weight water. | 12-17-2015 |
20150376040 | ADDITIVES FOR OLEFIN PLANT QUENCHING FLUID pH CONTROL - A neutralizing additive composition may contact a fluid, such as a quench medium composition, an effluent stream, a dilution steam condensate, a dilution steam, and combinations thereof for neutralizing any neutralizable components therein. A non-limiting example of neutralizing components may be organic acids. The neutralizing additive may be or include at least one strong base and at least one amine. The strong bases(s) may be or include metal hydroxides, metal carbonates, and combinations thereof. | 12-31-2015 |
252181000 | With inorganic matter other than alkali-metal hydroxides and carbonates and water | 17 |
20090127502 | BINDING AGENT FOR COMPACTED SALT - Novel binders and a compacted salt containing those binders are provided. The binders comprise an aqueous solution or dispersion of sorbitol and an alkali metal phosphate. The binder is contacted with salt crystals heated to elevated temperatures. After binder contact, the coated salt crystals are passed through a compactor where elevated temperatures and pressures cause the salt to melt and then recrystallize as a sheet that can be broken into pieces. The final salt product has the binding agent substantially uniformly dispersed therethrough, resulting in a salt that has high strength and is resistant to mushing. The inventive products are particularly useful as a water softening salt. | 05-21-2009 |
20100006800 | Composition for operation of evaporative cooling towers with minimal or no blowdown - A method and composition are provided for the operation of an evaporative cooling tower with minimal, or no, blowdown. In some embodiments, the method involves using sodium cation-exchanged softened water as makeup water for the cooling tower, providing a bypass filter for suspended solids removal from the cooling water, treating the cooling water with a composition for control of corrosion and deposition, and using an effective biocide for control of biological growth within the cooling tower system. In some embodiments, a composition is provided that comprises AMPS acrylic terpolymer, sodium silicate, phosphate ions, and polyphosphate ions. When dosed at the recommended levels, the composition controls corrosion of cooling system materials to generally acceptable levels in spite of the extremely corrosive environment resulting from the cycling of sodium cation-exchanged softened water in the cooling tower. | 01-14-2010 |
20100213405 | Composition and process for removal of contaminants from water and wastewater(s) - A composition of ingredients and application process that enables the removal of contaminants from water or wastewaters, the composition when added and mixed with water(s) sequences to coagulate, flocculates and ion exchange with the composite materials. The application process is the addition of the composite material to water or wastewater where the contaminated materials are removed from the water(s) and contained in a solid material for disposal. The application is for clarification of potable waters for solids, clarification and settling aid for municipal wastewater waters, and contaminant and solids removal from industrial wastewaters. | 08-26-2010 |
20110062377 | Clarification of water and wastewater - A process and method for liquid-solid separation in raw water by chemical treatment, comprising adding into the water, separately or together, an effective amount of at least one aluminum polymer with an effective amount of an ammonium polymer, including at least one medium, high, or very high molecular weight ammonium polymer, to clarify said raw water to a settled turbidity standard, and including methods for blending and storing solution polymers. | 03-17-2011 |
20110260098 | WATER TREATMENT AGENT FOR REMOVING POLLUTANT BY REINFORCING POTASSIUM PERMANGANATE WITH INTERMEDIATE MANGANES - A water treatment agent for removing pollutant by reinforcing potassium permanganate with intermediate manganese consists of a potassium permanganate and a chelating agent, or, alternatively, consists of a potassium permanganate, a chelating agent and an inducer. The chelating agent is capable of forming a coordination complex with the intermediate manganese which is produced during the reaction of potassium permanganate and organic substance. Thus self decomposition of intermediate manganese is reduced so that the effective utilization rate is increased and the capability for potassium permanganate to degrade organic pollutants is enhanced. The inducer accelerates the production of the intermediate manganese and increases the utilization rate so that the capability of potassium permanganate for degrading the organic pollutants is further enhanced. | 10-27-2011 |
20110278494 | Cleaning and purifying compositions and associated method for purifying process water from the refinement of petroleum - A cleaning and purifying composition including at least one solvent, an alkaline agent, a deflocculant, at least one surfactant selected from the group comprising an alcohol ethoxylate surfactant, an alkylamino-polyethoxy-sulfate surfactant, a polyether-phosphate ester surfactant, a surfactant that is a phosphate ester of an ethoxylated alcohol, and a surfactant that is a polyethyleneglycol monoaklyl ether, and a bonding agent. | 11-17-2011 |
20120085966 | Composition and Methods for Maintaining pH Balance in Pool and Spa Water - The present invention is directed, in part, to a composition of about 60 parts by weight calcium oxide and about 40 parts by weight magnesium oxide that is administered as a buffering agent to a pool or spa in a ratio of approximately 1 cup of composition to 500 gallons of pool or spa water. The composition is produced in either a granular powder form or into a tablet form, the tablet form being capable of being fitted into a manufactured device that occupies a position upstream of the pool or spa water filter and in doing so, stabilizes and buffers the pH of the water entering the filter to about a range of between 7.2 and 7.8. The invention is also directed to enhancing the effectiveness of chlorine in sanitizing pool or spa water by removing the negative effects of phosphate compounds in the pool or spa water. | 04-12-2012 |
20120097889 | Wastewater Treatment Compositions - The present invention relates to compositions containing concentrated biologically-active ingredients for treating wastewater in systems such as septic tanks, cesspools, and sewage systems. | 04-26-2012 |
20120161068 | METHOD FOR INHIBITING THE FORMATION AND DEPOSITION OF SILICA SCALE IN AQUEOUS SYSTEMS - This invention relates to an improved method for inhibiting the formation and deposition of silica and silicate compounds in a water system. In particular, the method includes adding to the water system a relatively low molecular weight organic, anionic polymer. The polymer preferrably has an acrylic acid or methacrylic acid functionality and is preferrably selected from one or more of homopolymers of acrylic acid, a methacrylic acid/polyethylene glycol allyl ether copolymer, a homopolymer of methacrylic acid, an acrylic acid/polyethylene glycol allyl ether copolymer, and an acrylic acid/1-allyloxy-2-hydroxypropane sulfonic acid copolymer, homopolymers of maleic anhydride, copolymers of maleic anhydride and polyethylene glycol allyl ether, and combinations thereof. | 06-28-2012 |
20130062557 | POLYMERIC COMPLEX SUPPORTER WITH ZERO-VALENT METALS AND MANUFACTURING METHOD THEREOF - A zero-valent metal polymeric complex supporter (ZVM-PCS) is disclosed. The PCS possesses porous surface and internal coralloid-like channel structure that can accommodate high amount of iron-containing materials and derivatives thereof. The surface pore size, porosity, hydrophilicitv, and internal coralloid-like channel structure of PCS can be tailored through the manufacturing process, with which PCS can be functioned as a regulator for the releasing of produced hydrogen, and also control the adsorption and reactions toward heavy metals and chlorinated volatile organic compounds in water. The hydrogen released from the ZVM-PCS can be applied to anaerobic bioremediation. Moreover, the ZVM-PCS can be filter materials that can be installed in a column or any storage for water and wastewater treatment, or even in a groundwater cut-off barrier for the cleanup of contamination. While the ZVM-PCS is synthesized as a film without surface openings, it can be used as the electromagnetic interference (EMI) shielding material. | 03-14-2013 |
20130187081 | Hydrocarbon Decomposition For Soil And Water Remediation - Presented herein are compositions including a linear tenso-active surfactant which, upon contact and mechanical stirring of a hydrocarbon body, induces emulsification, resulting in oxidation of fatty acid aliphatic bodies. The compositions solve the problem of hydrocarbon pollution. The hydrocarbon decomposer and its by-products dissolve hydrocarbons present in polluted bodies such as clays, soils, water and sand. Methods of the invention create a residue that is a fertilizer, at room temperature and with no need for high pressure. | 07-25-2013 |
20140021401 | Water Treatment Agent for Removing Contaminant Through Oxidation with High-Activity Intermediate-State Pentavalent Manganese - A water treatment agent for removing contaminants through oxidation with high-activity intermediate-state pentavalent manganese consists of a manganese-containing compound, a complexing agent, and a persulfate, wherein the manganese-containing compound is bivalent manganese ions, permanganate or manganese dioxide. The molar ratio of the bivalent manganese ions, the ligand, and the persulfate is 1:1-50:1-1000. The agent removes contaminants through oxidation with high-activity intermediate-state pentavalent manganese, and has the advantages of high oxidizing ability, being capable of fast removing organic contaminants in water, and having no toxic and harmful substance produced. | 01-23-2014 |
20140264157 | Particulate Sorption Medium Prepared From Partially Decomposed Organic Matter - A process for the preparation from a partially decomposed organic material like peat a granulated or pelletized sorption medium using low-temperature, thermal activation of the sorption medium to produce a high degree of granule or pellet hardness balanced against an efficacious level of ion-exchange and adsorption capacity, followed by chemical treatment of the thermally-activated sorption material via an acid solution and a salt solution to increase its ion-exchange and adsorption performance while minimizing the transfer of natural impurities found in the sorption medium to an aqueous solution is provided by this invention. The sorption medium of this invention can be used in a variety of aqueous solution treatment processes, such as wastewater treatment. | 09-18-2014 |
20150034860 | METHOD OF FABRICATING A COMPOSITE MEMBRANE CONTAINING A METAL ION ADSORBENT - A method of fabricating a composite membranes containing a metal ion adsorbent, the method comprising the following steps: mixing a metal ion adsorbent powder and a solvent to form a mixture, wherein the solvent is capable of dissolving cellulose; mixing the mixture and cellulose to form a gel blend; removing the solvent from the gel blend, and drying the gel blend to obtain a composite membrane containing a metal ion adsorbent. By means of mixing metal ion adsorbent and cellulose by phase inversion to obtain the composite membrane containing a metal ion adsorbent, the composite membrane containing a metal ion adsorbent can remove heavy metal ions from industrial wastewater. | 02-05-2015 |
20150041706 | MODIFIED ADSORBENT FOR CAPTURING HEAVY METALS IN AQUEOUS SOLUTION - A method and adsorbent composition for removing heavy metals from contaminated water, comprising passing a stream of water having a concentration of one or more heavy metals through an adsorbent comprising granules of a mixture of from about 1 wt % to about 15 wt % clay and a thermoplastic polymer matrix; and collecting water having a reduced concentration of said heavy metal(s) downstream of said adsorbent. | 02-12-2015 |
20150090923 | Phosphorus Treatment Agent Methods of Manufacture and Use - The invention includes a tablet made from a coagulant that will improve the settling of suspended solids in an aqueous media such as wastewater, recycled water, potable water, storm water, swimming pool water, spa water, boiler water, cooling tower water and industrial process water. The agent is a tablet containing at least one salt from the aluminum sulfate family in a mixture of organic and inorganic binders. The mixed material is especially adapted to lend itself to high speed molding operations. Such agent, when in molded form, provides controlled dissolution in an aqueous media, exhibits strength and non-chipping characteristics which is a benefit in shipping and handling and is free from dusting, flaking or other deteriorative factors. In its tablet form, this agent can be used in combination with a holding apparatus having slotted opening zones. | 04-02-2015 |
20160083276 | COMPOSITION AND METHOD FOR WATER CONDITIONING - A water conditioning composition includes water; at least one gluconate compound; at least one carbonate compound; a non-ionic preservative; and a phosphate buffer. For example, the composition can include 87-95 wt. % water; 0.5 to 1.5 wt. % gluconate compound; 3 to 8 wt. % carbonate compound; 0.5 to 1.5 wt. % non-ionic preservative; and 0.5 to 2.5 wt. % phosphate buffer. | 03-24-2016 |