Class / Patent application number | Description | Number of patent applications / Date published |
210753000 | Utilizing halogen or halogen containing material | 54 |
20080217260 | SYSTEM AND METHOD FOR PRODUCING MASSIVE AMOUNTS OF ELEMENTAL IODINE - A system and method for extracting active elemental iodine from the contact of water with stored crystal iodine and for introducing the extracted elemental iodine into a water supply line and/or otherwise making the extracted elemental iodine available for an intended use. The system operates by allowing a portion of the water entering from a water supply line to be redirected to a first housing where it makes contact with stored crystal iodine causing to extract active elemental iodine. The iodinized water leaves the first housing and enters a second housing where it makes contact additional stored crystal iodine to help stabilize the elemental iodine concentration. The system can be designed to provide the elemental iodine in more than one potency concentration through the use of a metering valve and different travel routes for the elemental iodine out of the second housing. | 09-11-2008 |
20090008339 | System For Providing A Chemical To A Fluid - A system for providing a chemical to a stream of a fluid. The system includes an elongate member with the chemical therein and moveable through the fluid to provide the chemical to the fluid. Optionally, the elongate member may be unwound from a first reel to a second reel through the stream of fluid to provide the chemical to the fluid. | 01-08-2009 |
20090211988 | Azeotrope-Like Composition of 2-Chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and Hydrogen Fluoride (HF) - Provided are azeotropic and azeotrope-like compositions of 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and hydrogen fluoride (HF). Such azeotropic and azeotrope-like compositions are useful as intermediates in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf). | 08-27-2009 |
20090294381 | METHODS FOR CONTROLLING PH IN WATER SANITIZED BY CHEMICAL OR ELECTROLYTIC CHLORINATION - The invention relates to the control of pH in water where hydroxyl ions are being produced by adding to the water an amount of transition metal salt sufficient to bind with hydroxyl into a slightly soluble or insoluble reaction product, thereby removing sufficient hydroxyl ion from the water to lower the pH thereof. This technique is particularly suitable for pH control in pool or spa water that is sanitized using chemical or electrolytic chlorination, where the sanitation process causes the pH in the water to rise. The invention also relates to apparatus for dispensing water treatment materials to water, and to methods for controlling phosphate levels and algae in water. | 12-03-2009 |
20110226706 | FILTER COMPRISING A HALOGEN RELEASE SYSTEM AND CHITOSAN - A filter to provide potable water may generally comprise an inlet in fluid communication with an outlet, a halogen release system intermediate the inlet and the outlet, a filter material comprising chitosan or a derivative thereof intermediate the halogen release system and the outlet, and a scavenger barrier intermediate the filter material and the outlet. The filter material may comprise a chitosan-halogen complex. The filter material is capable of regeneration during periods of stagnation. The filter may have a Log reduction value for viruses of at least 4 and a Log reduction value for bacteria of at least 6. | 09-22-2011 |
20140124456 | Dispenser systems - A dispenser system for delivering various combinations of dispersants to a body of water with the various combinations of dispersants supplied to the body of water through the interchanging of dispensing cartridges which are attachable to a main dispensing cartridge where a condition for interchanging of dispensing cartridges may be triggered by an event. | 05-08-2014 |
20140217037 | METHODS OF PRODUCING IODINATED RESINS - Methods for producing or regenerating an iodinated resin are presented. The methods include converting iodide residues on a surface of and in pores of an iodide loaded anion exchange resin to iodine and iodine intermediates using a source of active halogen to form an iodinated resin having iodine and iodine intermediate residues on the surface of and in the pores of the iodinated resin. The iodinated resins show reduced and stable levels of iodine elution compared to conventional iodinated anion exchange resins and may utilizes less iodine raw materials during the manufacturing process. The iodinated resin can also act as an end-of life indicator in a water purification system that incorporates the iodinated resin to reduce microbial, including bacterial and viral, contamination in drinking water sources. Methods and systems for purifying water are also presented. | 08-07-2014 |
210754000 | Chlorine or bromine containing | 47 |
20080237147 | SYSTEMS AND METHODS FOR EXTRACTING AND PURIFYING WATER FROM GROUNDWATER SOURCES - Systems and methods for water extraction and purification are disclosed. In one embodiment of the invention, a system includes at least one water lifting unit that fluidly communicates with a groundwater source, and a gas generator that is fluidly coupled to the at least one water lifting unit to generate a gas that buoyantly moves water from the groundwater source to a water consumer. | 10-02-2008 |
20080272062 | BROAD SPECTRUM ANTIMICROBIAL PURIFICATION DEVICES AND METHODS FOR PURIFYING FLUIDS - Devices and methods for inactivating microbiological contaminants in a fluid are provided for use in water, air, and other fluid treatment applications. The device includes (i) a housing having at least one fluid inlet and at least one fluid outlet; and (ii) an antimicrobial material secured in the housing between said at least one fluid inlet and said at least one fluid outlet. In one embodiment, the antimicrobial material is a biguanide dihydrate compound, such as a chlorhexidine dihydrate, which exhibits broad spectrum antimicrobial activity. | 11-06-2008 |
20080290046 | Control system - A control system comprising a timer based controller and a valve wherein the timer-based controller has a fixed period and the timer based controller regularly cycles the valve between a first condition and a second condition with the first portion of the cycle directing a first flow of water through a dispensable material and the remaining portion of the cycle directing a lesser flow of water through the dispensable material. | 11-27-2008 |
20080308506 | Delivery system and method of making article - A water treatment composition comprised of a metal ion yielding material secured to an adhesive, with the adhesive secured to a structure, so that when the structure is placed in a body of water the concentration of metal ions is maintained at level sufficient to kill bacteria and sufficient to permit release of metal ions over an extended period of time. Also, a method of securing a metal ion yielding material, as well as a method of manufacture of an article, by first adhering the metal ion yielding material to a structure and then forming the structure into an article for placement in a body of water to maintain the desired metal ion concentration therein. | 12-18-2008 |
20090050576 | Method for Adjusting Chlorine Concentration In Salt Water Swimming Pools and Chloride Salts Dispenser Therefor - A method is provided for adjusting the chlorine concentration in salt water swimming pools having a pre-existing system for re-circulating the water including at least one skimmer, a pump, a chlorine generator for generating chlorine from chloride salts, a monitor for determining the chlorine concentration of the water, and an outlet for returning water to the pool. The method includes the steps of monitoring chlorine concentration in the swimming pool to determine whether the chlorine concentration is above or below a pre-established range, determining how much salt needs to be added to reach the desired chlorine concentration, supporting a hopper or other portable container of chloride salts above the skimmer, loading the dry bulk chloride salts into the hopper in the amount needed, manually initiating unattended flow of dry bulk chloride salts into the water in the skimmer from the hopper of chloride salts supported thereabove, and thereafter checking the chlorine concentration and making adjustments if needed. The apparatus of the invention includes a dispenser for chloride salts including a hopper having at least one sloping side, a bottom hand slide gate fixed to the hopper for unassisted gravity flow of salts, and a stand for supporting the hopper and gate. | 02-26-2009 |
20090050577 | System to meter chmeicals into wawter in a swimming pool - A method to meter a granular chemical into water in a swimming pool provides a dispensation unit constructed to dispense a granular chemical at a selected rate per unit of time. The dispensation unit includes a device to open a container of the granular chemical. The dispensation unit functions to separate granular material for dispensation through apertures in the unit. The dispensation unit is charged with a granular chemical while the unit is upright. The unit is inverted in order to evenly distribute granular chemical on the surface of water in a swimming pool. | 02-26-2009 |
20090078655 | 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. | 03-26-2009 |
20090145857 | Composition and process for enhanced sanitation and oxidation of aqueous systems - An efficient cyclic process and related compositions for the in-situ generation of oxyhalogens from anions of chloride, bromide and chlorite in an aqueous system using in-situ generated sulfate free radicals. The cyclic process and compositions enhance the rate of inactivation of microbiological organisms especially those resistant to inactivation from free halogen based sanitizers, and oxidation of oxidation resistant organic based compounds in aqueous solution. Aquatic facilities susceptible to accumulation of organic N-chloramines and other oxidation resistant compounds, as well as oxidation resistant parasitic organisms such as cryptosporidium and | 06-11-2009 |
20090159538 | METHOD OF TREATING WATER WITH CHLORINE DIOXIDE - A method of treating water with chlorine dioxide (ClO | 06-25-2009 |
20090255879 | Chlorination apparatus and method for use - An apparatus for treating a potable water source can the apparatus comprise a solid phase treatment material for treating a potable water source, a solid phase treatment material dispenser comprising a floatation device and a container configured to hold the solid phase treatment material, the container comprising a bottom surface and sidewalls extending from the bottom surface, wherein the bottom surface and/or sidewalls comprise apertures, and wherein the flotation device can comprise a plurality of fasteners attached thereto, and, optionally, a opening securement system comprising a tether in operative communication with the plurality of fasteners and an attachment point about the opening, wherein the tether is configured to permit travel of the floatation device within the water storage tank. | 10-15-2009 |
20090272698 | Bromate suppression - A apparatus and method for killing microorganisms in a body of water that has been treated with ozone in the presence of bromide ions with the method comprising the steps of carrying out the ozonization of a body of water in the presence of bromide ions, adding a metal ion donor to the body of water, and adding a hypobromite ion scavenger to the body of water to interact with the metal ion donor to enhance a metal ion concentration in the body of water while suppressing the oxidization of the bromide by the Ozone to produce bromate. | 11-05-2009 |
20090321368 | Control system - A control system comprising a timer based controller and a valve wherein the timer-based controller has a fixed period and the timer based controller regularly cycles the valve between a first condition and a second condition with the first portion of the cycle directing a first flow of water through a dispensable material and the remaining portion of the cycle directing a lesser flow of water through the dispensable material. | 12-31-2009 |
20100044321 | MICROPOROUS FILTER WITH A LOW ELUTION ANTIMICROBAL SOURCE - A method for filtration of fluid, primarily liquid, with fluid filtration device haying a fluid inlet and a fluid outlet and a fluid path between the inlet and the outlet through a microporous filter with a pore size adapted for filtering bacteria or bacteria and virus by mechanical particle size separation. The filtration device comprises further an antimicrobial source adding antimicrobial substance to the fluid in the fluid path between the fluid inlet and the inlet surface of the microporous filter. The fluid filtration device is provided with a design flow through the device, the design flow assuring a proper filtration of the fluid flowing through the device with a cleaned fluid at the flow outlet. The antimicrobial source, for example a halogen source, is configured to release the antimicrobial substance at a low elution rate that is not high enough for killing substantially all the microbes in the fluid during the time it takes the fluid to flow through the device at the design flow, but which is high enough for prevention of a biofilm in the long term. | 02-25-2010 |
20110094972 | Water treatment - A sanitizing agent for maintaining a biocidal effective bacteria count in a body of water comprising a metal ion donor for donating a metal ion and a compound containing a hydantoin ring with the combination of the compound containing the hydantoin ring with the metal ion donor enhancing the effectiveness of the sanitizing agent to enable the sanitizing agent to maintain a biocidal effective bacteria count in the body of water. | 04-28-2011 |
20110220587 | METHOD OF TREATING WATER WITH CHLORINE DIOXIDE - A method of treating water with chlorine dioxide (ClO | 09-15-2011 |
20120000862 | APPARATUS AND METHOD FOR DISINFECTING WATER - An apparatus for on-site production of disinfectant/oxidizing products, arranged directly in the fluid to be processed, and a method for oxidation/disinfection of the affected water in order to avoid microbiological proliferation phenomena, which can cause hygienic and sanitary problems or problems of failed efficiency of systems. The apparatus for disinfecting water with on-site production of oxidizing/disinfecting products at the desired concentrations includes storage tanks for chemical reagents, pumps and pipes for connection, and a source of disinfectant and oxidizing products that is immersed in the water to be disinfected. | 01-05-2012 |
20120312756 | Water Softener System and Method - A water treatment system is provided including a tank having a top, a control valve, and an air inlet. The control valve is positioned on the top of the tank and in fluid communication with the tank. The control valve includes a plurality of orifices in fluid communication with a source of untreated water, a treated water outlet, a drain, and a source of sterilizing fluid. The air inlet is in fluid communication with the tank and with a first venturi. The control valve is operative to control the flow of untreated water through the first venturi to draw air through the air inlet and into the tank. The control valve includes a sterilizer valve that is operative to open and close at least one passage in fluid communication between the control valve and the source of sterilizing fluid. | 12-13-2012 |
20130098849 | pH BALANCING DISPENSER AND SYSTEM WITH PIERCING OPENER - A pH balancing solution dispenser having an upper body portion and a lower dispenser body portion. An interior support portion is provided with a dispensing grid and an at least one piercing mechanism thereon. A dispenser lid and an at least one dispensing mechanism are provided wherein a container of pH balancing solution is placed within the upper body portion and situated in communication with the piercing mechanism. The container is pierced and opened and the pH balancing solution flows from the container through the dispensing grid and is stored for distribution by the at least one dispensing mechanism. A unit controller can be provided to meter a dose of pH solution when instructed by the pH balancing solution dispenser to balance the pH of the body of water based on the estimation made by the unit controller using the measured operational time. | 04-25-2013 |
20130256239 | COORDINATED SYSTEM AND METHOD FOR TREATING WATER - A coordinated system for the treatment of water includes (a) a test kit including an indicator having a changeable color which is adapted to a predetermined aqueous environmental condition and an associated chart including colors associated with a range of environmental conditions; and at least one chemical agent having a color which corresponds to a color of the indicator associated with an environmental condition outside of a desired range. | 10-03-2013 |
20130264294 | Building Air Conditioner Evaporator Condensation Management System - This invention is a new approach to managing water, in the form of condensation, produced by the air conditioning process. Components “A” and “B” are unique, seamless and are molded as shown in FIG. | 10-10-2013 |
20140021141 | RADIAL PIPE REACTOR - An arrangement for addition of chlorine dioxide to flowing water in a pipeline is provided. The reactants are reacted in a reaction chamber located in the flow of water and the chlorine dioxide is passed from the reaction chamber directly into the flowing water. | 01-23-2014 |
20140021142 | WATER TREATMENT - A system and method for maintaining a body of water in a sanitized condition with use of a halogen and a source of silver ions wherein the halogen is maintained at 50% to 75% less than a recommended halogen level for maintaining the body of water in a sanitized condition by adding a compound containing a hydantoin ring to a recreational body of water containing a halogen and a source of metal ions. | 01-23-2014 |
20140110352 | Dispensing systems - A non-dissolvable immersible dispensing puck in the shape of a dissolvable halogen puck when the dissolvable halogen puck is in an undissolved state with the non-dissolvable immersible dispensing puck physically interchangeable with a dissolvable halogen puck when placed in a dispenser for normally holding only a set of halogen pucks to enable a single dispersant dispenser to be converted to a dual dispersant dispenser without changing the structure of the single dispersant dispenser by placing a dispenser within a dispenser wherein only one of the dispensers may be provided with adjustable water ports. | 04-24-2014 |
20140175024 | WATER TREATMENT AND CONVEYANCE APPARATUS - A water treatment and conveyance apparatus that has a barrel with two ends, each with an indentation to accommodate a handle made of a heavy-duty material, two side members, a transverse grip member and two transverse support members that fit securely into the indentations of the barrel ends. One end of the barrel (the top) has at least one hole accommodating a removable cap, a removable inlet filter of mesh to screen out particles from entering water, and a removable outlet filter. In use, the handle is attached to both ends of the barrel in the indentations and the barrel is rolled and pulled to a water source and back to the puller's abode. After filling the barrel, a cleansing chemical such as a chlorine tablet is added to the water to help sterilize the water in transit. | 06-26-2014 |
20140319078 | PROCESS AND SYSTEM FOR REMOVING UREA FROM AN AQUEOUS SOLUTION - A process for removing urea from an aqueous solution is disclosed herein, the process comprises the steps of: feeding an aqueous solution comprising urea into a mix tank; feeding hydrogen peroxide into the mix tank; feeding at least one soluble catalyst into the mix tank separately from the hydrogen peroxide feed; mixing the aqueous solution comprising urea, hydrogen peroxide, and the at least one soluble catalyst in the mix tank, forming a reactant mixture; and oxidizing the urea in the reactant mixture yielding CO | 10-30-2014 |
20150090671 | USE OF AN ACID SCAVENGER TO INCREASE THE RESISTANCE OF A POLYOLEFIN COMPOSITION AGAINST DISINFECTANT CONTAINING WATER - The present invention relates to the use of an acid scavenger to increase the resistance of a polyolefin composition against disinfectant containing water. The present invention further relates to a method for transporting water containing a disinfectant comprising the step of conveying the water through a pipe comprising a polyolefin composition, the polyolefin composition comprising an acid scavenger. | 04-02-2015 |
20150090672 | EFFICIENT, MANGANESE CATALYZED PROCESS TO DECOMPOSE CYANIDE IONS AND HYDROGEN CYANIDE FOR WATER DECONTAMINATION - Methods, kits, cartridges and compounds related to generating chlorine dioxide by exposing ClO | 04-02-2015 |
20150329387 | SYSTEMS AND METHODS FOR GENERATING HALOAMINES AND APPLICATION THEREOF IN OIL AND GAS OPERATIONS - The present invention relates to systems and methods for the on-site generation (for example at oil well drilling operations, oil well hydraulic fracturing operations, makeup water pipeline transportation systems, and oil and gas refining operations) of haloamine chemistry such as chloramines and/or bromamines. The invention also relates to the application of the generated haloamines to control microorganisms such as bacteria as well their harmful byproducts such as hydrogen sulfide and other undesired substances found in oil and gas industries. | 11-19-2015 |
20150368128 | Floating dispensers - A floating dispenser having an external float or an internal float for supporting a cartridge or cartridges for floating delivering a dispersant or dispersants to a body of water with the floating dispenser having cartridges rotationally positionable with respect to one another to control the rate of dispensing while the dispenser floats in an upright condition with the floating dispenser changing its flotation orientation in response to consumption of the dispersant or dispersants in the cartridge or cartridges to thereby provide a visual alert to replace a spent cartridge with a fresh cartridge. In addition, the inventions described herein permit changing the dispensing nature of the system from a multiple dispensing system to a single dispensing system without changing the floating characteristics of the floating dispensers through replacement of a dispersant in one of the cartridges with an inert or ballast material that has no effect on the water characteristics. | 12-24-2015 |
20150376035 | SYSTEM AND METHOD FOR DISINFECTING AND REMOVING BIOLOGICAL MATERIAL FROM WATER TO BE INJECTED IN AN UNDERWATER INJECTION WELL - A system for disinfecting and removing biological material from water to be injected into an injection well in a water body is described; the system includes: at least one apparatus for the gravitational precipitation of particles from water, which is connected, in terms of fluid, to a source of untreated water and to the injection well; and an apparatus for the addition of an oxidant for the disinfection of water, which is connected in terms of fluid to the apparatus for the gravitational precipitation of particles, a source of untreated water and to the injection well such that the apparatus for the gravitational precipitation of particles is positioned downstream relative to the apparatus for the addition of an oxidant for disinfection. The disclosure also relates to a method for disinfecting and removal of biological material from injection water. | 12-31-2015 |
20160090315 | METHOD AND SYSTEM FOR THE TREATMENT OF WATER AND FLUIDS WITH CHLORINE DIOXIDE - Embodiments of the invention relate generally to methods and systems for treating aqueous systems associated with industrial wastewater applications and gas and crude oil drilling, pumping and production to reduce or eliminate contamination. In one embodiment, a method includes: an aqueous volume having an initial oxidant demand, an oxygen-containing oxidant and at least one chlorine oxide at substoichiometric amounts in an amount sufficient to eliminate the oxidant demand. The system includes: an aqueous treatment system comprising a containment system; at least one apparatus for introducing an oxygen-containing oxidant; and at least one apparatus for introducing at least one chlorine oxide into said containment system at controlled, sub stoichiometric quantities. | 03-31-2016 |
210755000 | Organic | 7 |
20080203034 | Method of Inhibiting the Growth of Microorganisms - The invention relates to a method of inhibiting the growth of microorganisms in fresh or circulating water by adding to the water, separately and essentially continuously, (1) an oxidant and (2) a bromine source. | 08-28-2008 |
20080277355 | ANTI-MICROBIAL AND OXIDATIVE CO-POLYMER - A water-insoluble polymeric oxidizing medium is contemplated that has a plurality of polymerized N-pyridinium vinylbenzyl triiodide or tribromide moieties whose pyridinium rings bear two substituents, R | 11-13-2008 |
20090200246 | ION enhancement - A method and apparatus for treating a body of water to kill microorganisms by enhancing the concentration metal ions therein. The apparatus comprising a dispenser with a first housing having a water accessible compartment containing a source of a N-halohydantoin compound for releasing the N-halohydantoin compound when contacted by the body of water with the at least one N-halohydantoin having the formula: | 08-13-2009 |
20100006513 | METHOD, DEVICE AND SYSTEM FOR WATER TREATMENT - A device, system and method are provided for treating water, in which a water treating agent is prepared and dispensed to an untreated drinking water source in discrete and consecutive control volumes enabling untreated water in the untreated water source to be treated thereby to provide potable water. | 01-14-2010 |
20100140185 | Wastewater treatment - An antimicrobial method of treating wastewater and a wastewater antimicrobial dispenser containing an antimicrobial agent for treating a body of wastewater to kill microorganisms by increasing the concentration metal ions therein. The antimicrobial method includes the step of increasing the effectiveness of the biocidal component in the body of wastewater to thereby lessen the need for a supplemental biocide by adding a compound containing a hydantoin ring where the compound containing a hydantoin ring may or may not have any antimicrobial properties. The antimicrobial agent including a source of biocidal metal ions and a compound containing a hydantoin ring where the antimicrobial agent may be a powder, a liquid a solid or combinations thereof. | 06-10-2010 |
20110011809 | Water purification system - A water purification method and devices, and in particular a purification method effective against microbes, that uses a silane-based antimicrobial, and in particular the AEGIS MICROBE SHIELD antimicrobial, where the antimicrobial is embedded, coated, or otherwise permanently applied to a substrate or carrier, such as a solid, a porous solid, fibers or the like. A volume of microbe contaminated water is exposed to the antimicrobial carrier for sufficient residence time such that sufficient quantities of microbes are eradicated and the water is made potable. The antimicrobial carrier may be an object suspended or placed into a container or reservoir for the water, or the antimicrobial carrier may comprise the container or reservoir itself. Particulate filters or the like may also be combined with the antimicrobial container to remove other undesirable contaminants. | 01-20-2011 |
20110259835 | Method for treating pool water containing high levels of isocyanuric acid and biological growth - A method for reducing an isocyanuric acid level concentration in swimming pool water to prevent chlorine lock. The method comprises the steps of adding an effective amount of sodium hydroxide combined with an antimicrobial agent to the pool water and reacting the sodium hydroxide with the isocyanuric acid therein to reduce the isocyanuric acid concentration to a level of between about 30 to 50 PPM. The antimicrobial agent reduces the amount of microorganisms that have accumulated in the pool water until the chlorine is released from its “locked-up” condition. | 10-27-2011 |
210756000 | Hypochlorite | 9 |
20080210641 | Method for controlling bacterial growth in process water - A system for reducing or preventing the growth of organisms in the process water used to coat glass fibers with a formaldehyde-free binder composition. One or more biocides is added to the process water that mitigates the growth of microbes in the water. The biocides are added in an amount sufficient to minimize growth of organisms without adversely affecting the application of the binder composition to the glass fibers. | 09-04-2008 |
20080257832 | Sequential chlorination for wastewater disinfection - A process for the disinfection of fully nitrified secondary effluent comprising first adding chlorine to the effluent, then adding combined chlorine. | 10-23-2008 |
20090107923 | PROCESS AND COMPOSITIONS FOR THE DISINFECTION OF WATERS - A process for killing microorganisms and controlling biofouling in high chlorine demand waters comprises mixing two components, one of which is an oxidant and the other an ammonium salt, and adding the mixture immediately to the aqueous system to be treated. | 04-30-2009 |
20090184062 | METHOD FOR INHIBITING BIOFILM GROWTH - The growth of biofilm present in open recirculating water systems is inhibited by introducing into the water comprising such a water system (a) a source of free halogen, e.g. e chlorine and (b) a source of di(lower alkyl) substituted-2-oxazolidinone, the mole ratio of (a) to (b) and the combined amount of (a) and (b) being sufficient to at least inhibit the growth of the biofilm, e.g., the bacteria comprising the biofilm, the source of free available halogen being present in less than biostatic amounts. | 07-23-2009 |
20100155341 | METHOD OF TREATING WATER AND AQUEOUS SYSTEMS IN PIPES WITH CHLORINE DIOXIDE - The present invention relates to a method of treating water and an aqueous system, situated in a pipe, with chlorine dioxide (ClO | 06-24-2010 |
20100320157 | CONTAINER, AND DEVICE AND METHOD FOR PRODUCING A DISINFECTING SOLUTION - A container ( | 12-23-2010 |
20130075346 | METHODS OF PROVIDING UNIFORM DELIVERY OF A FUNCTIONAL AGENT FROM A SHAPED COMPOSITION - Methods for introducing a substantially uniform concentration of a functional agent into a flowing stream of water using a shaped composition. The composition may be shaped and sized to be inserted into a device configured to be attached over the end of a faucet. The shaped composition comprises a dissolvable region including a functional agent (e.g., an anti-microbial sanitizing agent). A non-dissolvable region disposed adjacent to the dissolvable region may optionally be provided. The substantially non-dissolvable region remains substantially intact as the dissolving region is progressively dissolved, introducing the functional agent into a flowing stream of water. | 03-28-2013 |
20140138325 | CHLORINE DIOXIDE GENERATOR - A chlorine dioxide generation system includes a process water passage formed in an integral structure proximate a first end of the integral structure. A chlorine dioxide reactor is formed in a bore of the integral structure and coupled to the process water passage. A precursor passage is formed in the integral structure proximate a second end opposite from the first end. The precursor passage has a first opening opposite a second opening coupled upstream of the chlorine dioxide reactor. First and second inlets are coupled to the precursor passage at the first and second end respectively. First and second backpressure valves are coupled to the first and second inlets respectively. First and second precursor pumps are coupled to the first and second backpressure valves respectively. A first precursor is coupled to the first precursor pump. A second precursor is coupled to the second precursor pump. | 05-22-2014 |
20150307380 | FORMULATIONS CONTAINING A NON-OXIDATIVE BIOCIDE AND A SOURCE OF ACTIVE HALOGEN AND USE THEREOF IN WATER TREATMENT - Novel formulations containing a non-oxidative biocide, such as DBNPA, and a source of an in situ produced active biocide, such as a concentrated aqueous solution of an inorganic halide salt, are disclosed. These novel formulations are particularly effective in the treatment of water, and are characterized by high stability, desirable rheological properties and an excellent biocidal activity. | 10-29-2015 |