Entries |
Document | Title | Date |
20080302720 | Membrane biofilm reactor for removing contaminants from ground water - Apparatus and methods for water treatment are described, particularly for the simultaneous removal of nitrate, perchlorate, and other organic contaminates from contaminated water using a membrane biofilm reactor (MBfR). | 12-11-2008 |
20080302721 | Anaerobic digestion apparatus, methods for anaerobic digestion and for minimizing the use of inhibitory polymers in digestion - The invention includes an anaerobic solids digestion apparatus comprising a digester, at least one draft tube; at least one nozzle and a biogas source; a method for digesting a waste stream in an anaerobic solids digestion apparatus comprises feeding a waste stream to a digester; reacting the anaerobically biodegradable material in the waste stream with anaerobic bacteria in the digester; introducing a mixed liquor into the digester and mixing the mixed liquor; and a method for minimizing the use of inhibitory polymers by concurrently digesting and concentrating the mixed liquor in the digester. | 12-11-2008 |
20090071896 | MEMBRANE BAGS WITH SEAMLESS MEMBRANE SUBSTANCE, USES THEREOF AND FILTRATION UNITS THEREWITH - A membrane bag comprising a volume for permeate collection, wherein the volume is completely enclosed in seamless membrane substance; a filtration unit comprising at least one above-described seamless membrane bag; the use of at least one above-described seamless membrane bag in a membrane bioreactor; the use of at least one above-described seamless membrane bag in water filtration or waste water purification; and the use of at least one above-described seamless membrane bag for the filtration or separation of a mixture of fluids, vapours and particles. | 03-19-2009 |
20090078644 | MEMBRANE BAGS WITH SEAMLESS MEMBRANE SUBSTANCE, USES THEREOF, FILTRATION UNITS THEREWITH AND MANUFACTURING PROCESSES - Disclosed are seamless membrane bags for example, a membrane bag comprising a spacer fabric and a volume for permeate collection, the spacer fabric comprising a first part and a second part that are spaced apart and tied together at a predefined distance by monofilament thread and the first and second parts are at least partially embedded with membrane substance and the volume for permeate collection is interposed between the first and second parts. The membrane substance embeds portions of the monofilament thread and fills the spacer fabric along the border of the membrane bag. The membrane substance completely enclosing the volume is seamless. Also disclosed are processes for producing such bags, a filtration unit comprising such a membrane bag and their uses in the separation of fluids, vapours and particles. | 03-26-2009 |
20090101572 | SYSTEM AND METHOD FOR TREATING PRODUCED WATER - A system and method were used to treat produced water. Field- testing demonstrated the removal of contaminants from produced water from oil and gas wells. | 04-23-2009 |
20090159529 | Apparatus, methods and systems for handling and processing waste material - Apparatus, methods and systems for processing waste are provided. For example, a system for processing waste, wherein the waste comprises hard particulates embedded therein, can be provided. The system can comprise a waste disruptor, wherein the waste disrupter disrupts the waste and releases at least one of the embedded hard particulates from the disrupted waste; a segregator, wherein the segregator segregates at least one of the released hard particulates from the waste; and a dilution unit, wherein the dilution unit dilutes the waste. In some embodiments, the system can include a waste loader that provides waste continuously to the waste disrupter, which is configured to disrupt at least a portion of the continuously provided waste. | 06-25-2009 |
20090188858 | Entrapping immobilization pellets for purifying breeding water, process and apparatus for purifying breeding water, and aquarium set - Entrapping immobilization pellets for purifying breeding water in an aquarium to breed aquatic animals, wherein the entrapping immobilization pellets have a phosphorus content of 0.05 mass % or less. | 07-30-2009 |
20090223890 | PROCESS AND REACTOR FOR ANAEROBIC WASTE WATER PURIFICATION - The invention is directed to a process for the anaerobic purification of waste water using a sludge bed system, which process comprises feeding waste water, and optionally recycle water, to the lower part of an upflow reactor, containing mainly granular biomass thus producing biogas in the treatment passing the resulting gas/liquid/solid mixture upward and separating the gas and solid from the liquid in a three phase separator and thereby generating an anaerobic effluent that is withdrawn from the top of the separator, the improvement comprising separating the solids from the liquid in a separator, wherein, above the separation of the gas from the liquid phase, tilted plates, tubes or other tilted internals are installed in the three phase separator body to increase the effective settling surface, to an upflow reactor suitable for this process as well as to a three phase separator. | 09-10-2009 |
20090255867 | PURIFICATION METHOD FOR EFFLUENT - A filtration appliance for wastewater purification, preferably for a sewage treatment plant, in particular for a small sewage treatment plant, including at least one ceramic-based membrane for separating off microorganisms, to a sewage treatment plant having such a filtration appliance, a method of purifying wastewater, in particular in a sewage treatment plant, wherein microorganisms present in the wastewater are separated off by means of at least one ceramic-based membrane, and also to the use of a ceramic-based membrane as filter for separating off microorganisms and, if appropriate, fine solids, from wastewaters. | 10-15-2009 |
20090266760 | FUNCTIONAL NUCLEIC ACIDS FOR BIOLOGICAL SEQUESTRATION - The present invention generally relates to methods of improving the removal and/or treatment of substances in bulk volumes, particularly to methods of improving the removal and/or treatment of contaminants in bulk volumes by nucleic acid interaction and by including such nucleic acid interactions in organisms. The present invention further relates to methods for generating and/or improving the interaction of nucleic acids with substances for removal and/or treatment. Bulk volumes may generally refer to any volume of substance wherein the removal and/or treatment of substances therein may occur. Nucleic acids may be utilized to bind and/or catalytically interact with substances in the bulk volume. Further, the nucleic acids may be included in an organism for sequestering substances within cells. | 10-29-2009 |
20090294353 | Process for Preparation of Substrate for Microbial Digestion - Processes for microbial digestion of organic material, and preparation of substrates for microbial digestion, suitable for the production of biomethane, from municipal and industrial waste water or from municipal or agricultural waste. In addition, a method for identifying a composition of matter that is suitable for microbial digestion, more particularly anaerobic digestion and/or mixed aerobic and anaerobic digestion. Also, a system and process for detoxifying organic wastes, such as those which may be present in waste water from industrial processes. | 12-03-2009 |
20090301963 | METHOD AND SYSTEM FOR TREATING WATER AND UTILIZING A MEMBRANE FILTERING SYSTEM - A method and system is provided for treating wastewater. In one process, wastewater is directed into a treatment tank and biologically treated. The biologically treated wastewater is directed as mixed liquor from the treatment tank to a bottom portion of a downstream filtration tank having at least one submerged membrane module that extends across substantially the entire cross sectional area of the filtration tank mixed liquor is directed from the bottom of the filtration tank upwardly into the membrane module such that substantially all of the mixed liquor received in the bottom of the filtration tank flows through the membrane module. As the mixed liquor flows vertically through the membrane module, the method includes inducing at least some of the mixed liquor through walls of one or more membrane filters that form a part of the membrane module, producing a permeate stream. The remaining mixed liquor passing through and from the membrane module is referred to as a non-permeate stream and the non-permeate stream, or at least a substantial portion thereof, is recirculated to the treatment tank. The filtration tank is sized relative to the membrane module and the process is carried out such that there is no substantial recycle of mixed liquor in the filtration tank itself. Although mixed liquor may be recirculated from the filtration tank back to the treatment tank and then back to the filtration tank and so forth and so on, once the mixed liquor in the filtration tank makes one pass through the membrane module the mixed liquor is recycled back to the treatment tank and generally not permitted to be recycled back through the membrane module without first returning to the treatment tank. | 12-10-2009 |
20100000940 | Reactor Comprising a Supply Distribution System for Anaerobic Waste Water Treatment - Disclosed is a reactor for anaerobically treating waste water, especially treating waste water from the paper industry. Said reactor comprises a reactor vessel, at least one supply pipe which is arranged in the bottom area of the reactor vessel and is used for feeding waste water that is to be treated into the reactor, at least one supply distributor for mixing the waste water fed to the reactor with the medium located in the reactor, at least one overflow port which is disposed on the top reactor vessel and is used for discharging treated water, and at least one separator The supply distributor is provided with at least one deflection means that is embodied such that waste water discharged from the at least one supply pipe is diverted into a circular current from the perspective of the cross-section of the reactor, one to 80 percent of the cross-section of the reactor being filled by the at least one deflection means. The invention further relates to a method for anaerobically treating waste water. | 01-07-2010 |
20100059436 | SYSTEMS AND METHODS FOR MICROBIAL REDUCTIVE DECHLORINATION OF ENVIRONMENTAL CONTAMINANTS - In preferred embodiments, bioremediation systems are provided that comprise electricigenic microbes that use electrons provided directly from the anode of an electrical bioremediation system to carry out reductive dehalogenation of halogenated hydrocarbon contaminants, including chlorinated solvents. The present invention also provides methods of performing in situ bioremediation of halogenated solvents in groundwater or soil through the use of the provided systems. | 03-11-2010 |
20100133175 | Filtered Assay Device and Method - A method and device is provided for collecting filterable material to perform assays on a filtration apparatus by applying negative-pressure to the inlet chamber of the filtration apparatus which is independent of negative or positive pressure applied to its fluid path. The negative-pressure applied to the inlet chamber serves to actively aspirate fluid and promote flow into the inlet chamber via the fluid pathway. The negative-pressure applied to the inlet chamber facilitates the use of either negative or positive-pressure based fluid-filtration approaches. Use of the invention improves the functionality and scope of applications that can be performed with enclosed filtration apparatuses. | 06-03-2010 |
20100200495 | MICROBIAL FUEL CELL TREATMENT OF FUEL PROCESS WASTEWATER - The present invention is directed to a method for cleansing fuel processing effluent containing carbonaceous compounds and inorganic salts, the method comprising contacting the fuel processing effluent with an anode of a microbial fuel ell, the anode containing microbes thereon which oxidatively degrade one or more of the carbonaceous compounds while producing electrical energy from the oxidative degradation, and directing the produced electrical energy to drive an electrosorption mechanism that operates to reduce the concentration of one or more inorganic salts in the fuel processing effluent, wherein the anode is in electrical communication with a cathode of the microbial fuel cell. The invention is also directed to an apparatus for practicing the method. | 08-12-2010 |
20100270235 | BOUYANT WATER HEATING DEVICE - A buoyant water heating device that may be used in a natural setting, such as a pond or lake, or in a man-made water-containing apparatus, such as a pool or water-treatment lagoon. The device comprises a water-filled, generally cylindrical anchor member coupled to a hollow, generally annular base member, and may he used alone or in combination with multiple other devices to create a free-floating blanket on the surface of the water. The device absorbs solar energy to heat water external to the device, and also provides a layer of thermal insulation between the water and the air above the device. | 10-28-2010 |
20100276360 | METHODS, APPARATUS AND SYSTEMS FOR POLISHING WASTEWATER UTILIZING NATURAL MEDIA FILTRATION - Wastewater treatment systems, methods and apparatus for polishing a wastewater stream comprising a plurality of contaminants are provided. One system includes a vessel containing a plurality of natural media filtration agents selected to remove selected ones of the plurality of contaminants from the wastewater stream. In one embodiment, the vessel includes a bed of bauxite residue and at least one other natural media filtration agent. In another embodiment, the vessel includes a bed of compost and at least one other natural media filtration agent. The vessel includes a wastewater inlet that is in fluid communication with one or more of the natural media filtration agents. The vessel includes a wastewater outlet that is in fluid communication with one or more of the natural media filtration agents. | 11-04-2010 |
20100314310 | ANAEROBIC DIGESTION PROCESS AND APPARATUS - A method of anaerobically digesting organic material, comprising: providing a reaction chamber ( | 12-16-2010 |
20110024351 | METHOD AND APPARATUS FOR BIOLOGICAL TREATMENT OF SPENT CAUSTIC - The invention provides a method and apparatus for biologically treating a spent caustic to provide a treated spent caustic, said method comprising the steps of: (a) passing a spent caustic stream ( | 02-03-2011 |
20110042305 | GAS ACTUATED MIXING SYSTEM AND METHOD - A gas bubble agitated mixing system for viscous fluids comprising: a container ( | 02-24-2011 |
20110042306 | Method and Apparatus for Generating Fresh Water, and Method and Apparatus for Desalinating Sea Water - An object is to provide a sea water desalinating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water. | 02-24-2011 |
20110062079 | PROCESS FOR TREATING WATER BY A NANOFILTRATION OR REVERSE OSMOSIS MEMBRANE SYSTEM ENABLING HIGH CONVERSION RATES DUE TO THE ELIMINATION OF ORGANIC MATTER - The invention relates to a process for treating freshwater, sea water, brackish water or water exiting a drinking water treatment plant containing organic matter, with a view to the potabilization thereof, recycling thereof, desalination thereof, or with a view to the purification thereof for an industrial application, said process comprising at least a first step ( | 03-17-2011 |
20110100902 | MIXING DEVICE, SYSTEM AND METHOD FOR ANAEROBIC DIGESTION - The present invention relates to a device for digesting organic matter comprising: a vessel having an interior with side walls for containing a material capable of processing the organic matter, and a plate positioned within the interior of the vessel for concentrating the material on a lower section of the vessel, wherein the plate extends from a central axis of the vessel to about the side walls. The present invention also relates to a method of processing organic matter by anaerobic digestion that utilizes the device of the present invention. | 05-05-2011 |
20110100903 | METHOD FOR DETERMINING PHYSIOLOGICAL STATE OF MICROBIAL COMMUNITY AND WASTEWATER TREATMENT METHOD - The present invention provides a method for determining the physiological state of a microbial community, which rapidly and precisely determines the physiological state of a microbial community present in a treatment tank of a wastewater biological treatment facility; and a wastewater treatment method utilizing the same. In the method for determining the physiological state of a microbial community of the present invention, the method includes the steps of staining the microbial community collected from a treatment tank of a wastewater biological treatment facility with a first fluorescent dye which binds to a nucleotide chain of a microbe in the microbial community, and a second fluorescent dye which is degraded by an enzyme in cells of the microbe to emit fluorescent light having a wavelength different from that of the first fluorescent dye; measuring a first fluorescent intensity (F | 05-05-2011 |
20110139712 | Method and Apparatus for Generating Fresh Water, and Method and Apparatus for Desalinating Sea Water - An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water. | 06-16-2011 |
20110147303 | Bioretention System With High Internal High Flow Bypass - The invention provides a bioretention system comprising one or more chambers and a high flow bypass system with top and bottom weirs for water filtration and storm water flow management. The invention also provides methods that are useful for managing storm water flow and inhibiting the flow of pollutants, debris, and other contaminants into drainage systems. | 06-23-2011 |
20110210065 | Device and Method for Treating Water Involving a Filtration Through At Least One Submerged Membrane - The invention relates to a device and a method for treating water to be treated, said method involving a filtration through at least one membrane coupled to an activated sludge reaction chamber, characterised in that added particles are present in at least one volume of activated sludge in contact with the membrane and in that variations in a flow generated in said volume of activated sludge parallel to the membrane are applied, enabling the creation of a level of average turbulent intensity greater than that corresponding to a constant flow in the immediate proximity of the membrane. | 09-01-2011 |
20110220570 | HEAVY METAL REMEDIATION SYSTEM - The invention provides a system of heavy metal sequestration by bacteria. The bacteria expresses the ppk, mt, and/or β-galactosidase (lacZ) genes and can tolerate at least 25 μM mercury, 1,000 μM zinc, 250 μM cadmium, and 3,000 μM Pb. The system allows for facile determination of the presence of heavy metal contaminants in a liquid and the facile collection of the bacteria that has sequestered large amounts of heavy metal. Further provided is a system of gene expression in bacteria that comprises phage and plastid gene expression elements and delivers a particularly high level of protein expression and heavy metal resistance. | 09-15-2011 |
20110247976 | Method of staggered release or exposure of microorganisms for biological remediation of hydrocarbons and other organic matter - A methodology, and related systems and structures for accomplishing the methodology, of biological remediation of hazardous or undesirable organic matter, wherein a plurality of carrier members are disposed in a localized retaining member, the carrier members releasing or exposing microorganisms to the undesirable organic matter on a staggered basis over an extended period of time, the microorganisms being capable of biologically remediating the undesirable organic matter by utilizing the organic matter as a food source, thereby converting it into environmentally safe bi-products. | 10-13-2011 |
20110253623 | Methods and Compositions to Aggregate Algae - The present invention comprises methods and compositions for aggregating algae so as to separate the algal cells from an aqueous algae suspension. A bioflocculent, comprising a composition comprising a bacteria, is used to aggregate the algae. | 10-20-2011 |
20110272347 | HIGH-RATE ANAEROBIC POOL BIOREACTOR - The present application related to a high-rate anaerobic pool bioreactor (“BLAAT”) as an improved processing unit for treating biodegradable wastewater, which allows the conversion of a low-performance rate traditional system, such as the anaerobic pool, into an efficient, compact system that enables clean energy to be recovered in the from of biogas. The application also describes a process for the anaerobic treatment of wastewater that uses said bioreactor, which optimizes the processes of mixing and contact between the biomass and the substrate and presents a novel process for separating out the biomass by means of improved sedimentation in horizontal laminar flow. | 11-10-2011 |
20110272348 | IRON-MEDIATED REMEDIATION WITHIN NONAQUOUS PHASE LIQUID - The present invention relates to remediation of hazardous waste sites. In particular, the present invention relates to compositions and methods for remediation of environmental contaminants in non-aqueous phase liquids (NAPLs). | 11-10-2011 |
20110278219 | Apparatus for Treatment of Fluid Streams and Method of Conducting Same - An apparatus for contacting a fluid stream with microorganisms is provided, the apparatus comprising a housing having a contacting chamber therein defined by a wall of the housing; a first inlet for the fluid stream to be treated; a first outlet for removing a liquid culture medium stream containing microorganisms; a rotor assembly comprising an impeller moveable within the contacting chamber to promote contact between the fluid stream being treated and the liquid culture medium within the contacting chamber; wherein at a least a portion of the wall of the housing defining the contacting chamber is transparent to light. A method of treating a fluid stream with microorganisms is also provided, the method comprising contacting the fluid stream with the microorganisms in a contacting zone, the microorganisms being retained in a liquid phase, wherein contact of the fluid stream with the microorganisms is enhanced by the action of a moving impeller, the contacting zone being within a housing, at least a portion of which is transparent to the passage of light. | 11-17-2011 |
20120018372 | SLUDGE EXTRACTION SYSTEM FOR BIOLOGICAL WASTE WATER REACTORS - A reactor for biological purification of waste water includes a reactor vessel having a substantially flat or a round bottom, at least one supply pipe arranged in a lower region of the reactor vessel for feeding the waste water to be purified into the reactor, at least one fluid discharge pipe for discharging purified waste water from the reactor, at least one solid matter discharge pipe arranged in the lower region of the reactor vessel for discharging solid matter from the reactor and at least one diverting means including at least one diagonally extending section. The at least one diverting means is designed and/or arranged so that solids sinking to the bottom of the reactor from the upper region of the reactor are deflected so that the solids settle in a region of the at least one solid matter discharge pipe and are discharged from the reactor through the at least one solid matter discharge pipe. | 01-26-2012 |
20120031835 | REACTOR INLET - The invention relates to a reactor for anaerobically purifying waster water, especially waste water from the paper industry, comprising a reactor vessel, several inlets arranged in the bottom region of the reactor vessel to feed waste water to be purified into the reactor, at least one outlet for discharging purified water, and at least one sediment drain. One or more inlets are fed by a supply pipe, and several supply pipes are fed by a collecting supply pipe. In order to ensure that waste water to be purified is fed as regularly as possible at the bottom of the reactor vessel, at least the majority of the supply pipes of a collecting supply pipe supply waste water to be purified to a maximum of 10 inlets, and at least the majority of said supply pipes each have a control valve. | 02-09-2012 |
20120061315 | Method of Recovering Potassium from Waste Waters for Use in Purification of Waste Water, including the Waste Water from which the potassium is Recycled, while retaining the Potassium in forms suitable for use as a Nutrient in Growing Microbes, Plants and Algae - A method for recovering and/or utilizing potassium from waste waters for a plurality of applications. As algae and plants are able to survive and flourish in environments with high salt concentrations, waste waters containing potassium can be applied as fertilizers to the growth of microbes, algae and plants. The microbes, plants, and algae are able to absorb the necessary nutrients, such as nitrogen and potassium, from the waste waters. After depletion of the potassium content from the waste water, that waste water can then be treated to separate other contaminants. In another aspect of the present invention, the potassium content may be first separated from the waste water to be applied for growth of microbes, plants, and algae and again used for regeneration of cation resins in specific potassium forms. The remaining contaminants that are separated through treatment of the waste water can be utilized for different productions. | 03-15-2012 |
20120067815 | HYBRID BIOARTIFICIAL KIDNEY - A bioartificial kidney equivalent and a process for producing the bioartificial kidney equivalent. The hybrid bioartificial kidney comprises human proximal and distal renal tubule cells grown on particular synthetic membranes. | 03-22-2012 |
20120097606 | METHOD FOR TREATING WASTEWATER CONTAINING AMMONIA NITROGEN - The present invention provides a method for treating wastewater containing ammonia nitrogen, in which an entire nitrification reaction to convert ammonia nitrogen to nitrate nitrogen via nitrite nitrogen is promoted by allowing nitrifying bacteria to perform the nitrification reaction in the presence of an intermicrobial signaling molecule. | 04-26-2012 |
20120125837 | ANAEROBIC DIGESTION PROCESS AND APPARATUS - Apparatus ( | 05-24-2012 |
20120145627 | ANAEROBIC FERMENTATION TO PRODUCE BIOGAS - A process and apparatus for the anaerobic digestion of organic wastes, preferably to also produce a useful biogas, is described. The waste may have a total solids (TS) concentration of 6% or less while a digester is operated at a higher solids concentration, for example with a feed TS concentration of 8-12%. One or more separation stages downstream of the digester separate active bacteria and undigested orgaπics from the digestate, and return separated matter to the digester. Optionally, a feed thickening apparatus and step may be provided upstream of the digester. The upstream thickener and recycle form the downstream separation stages are operated such that the TS of the combined inputs to the digester is within a desired range. | 06-14-2012 |
20120168372 | Prevention and Remediation of Petroleum Reservoir Souring and Corrosion by Treatment with Virulent Bacteriophage - Petroleum reservoir souring caused by microbially induced production of hydrogen sulphide and other sulphur compounds and the attendant corrosion are remediated by isolating bacteriophage specific for the problematic bacteria (target bacteria) and adding an effective amount of such bacteriophage to water introduced into or resident in the reservoir to kill at least some of the target bacteria. Suitable virulent bacteriophage may be indigenous in the water or located in surrounding areas or taken from a known banked stock. Means of concentrating solutions of bacteriophage are also disclosed. | 07-05-2012 |
20120211416 | SYSTEM AND METHOD FOR ENHANCING A WASTEWATER TREATMENT PROCESS - A system for enhancing an activated sludge process including at least one biological reactor. A weighting agent impregnation subsystem is coupled to the biological reactor for mixing biological flocs and weighting agent to impregnate the weighting agent into the biological flocs to form weighted biological flocs. A weighting agent recovery subsystem is configured to recover the weighting agent from the weighted biological flocs and reintroducing the recovered weighting agent to the weighting agent impregnation subsystem. | 08-23-2012 |
20120241374 | METHOD OF TREATING WASTE WATER PRODUCED DURING PREPARING NITRO COMPOUND - This invention relates to a method of treating waste water produced during the nitration of compounds, which includes an appropriate pretreatment process and a vacuum evaporation process, so that acidic or alkaline aqueous waste water which is difficult to treat via conventional processes can be easily treated without performing microorganism treatment. | 09-27-2012 |
20120305475 | Method for reducing organic waste in waste water - A method of treating waste water is disclosed which comprises placing a porous container such as a mesh bag containing a gelatinous culture of vegetative bacteria into waste water. The gelatinous culture dissolves over time and releases the bacteria contained therein. In some embodiments, the porous container may be reclaimed at any time. Treatment with the method eliminates a substantial portion of organic waste found in waste water and reduces or eliminates the need for used to eliminate organic waste build up in waste water facilities. | 12-06-2012 |
20130020254 | BALLASTED SEQUENCING BATCH REACTOR SYSTEM AND METHOD FOR TREATING WASTEWATER - A ballasted sequencing batch reactor system for treating wastewater including one or more sequencing batch reactors. A weighting agent impregnation subsystem is configured to mix biological flocs and weighting agent to form weighted biological flocs. A weighting agent recovery subsystem is configured to recover weighting agent from the weighted biological flocs and reintroduce the recovered weighting agent to the weighting agent impregnation subsystem. | 01-24-2013 |
20130062281 | METHOD AND APPARATUS FOR TREATMENT OF WASTEWATER - Introducing a combination of high surface area growth media and biological reactants into a sewage treatment process with or without additional reaction to improve and increase capacity of a given process. The high surface area media and biological reactants can be dispersed at strategic locations in a new or existing attached growth wastewater treatment plant so as to provide additional sites for biological growth and improved wastewater renovation. | 03-14-2013 |
20130098836 | Bio-Mechanical Wastesolution Treatment System - Wastesolution treatment systems and methods are provided which may remove particulates and hydrocarbons from wastesolution. Embodiments may be used to treat scrubber wastesolution from exhaust gas cleaning (“EGC”) systems. Some embodiments may be used with terrestrial EGC systems and others may be used for maritime ship EGC systems. Certain embodiments remove free phase oil and particulates from the wastesolution. Some embodiments may utilize a fixed film biogenerator cultured with hydrocarbon degrading microorganisms to reduce the concentration of oils in the water. Certain embodiments may utilize a biofilter with granulated activated carbon (“GAC”) to adsorb contaminants in the water. Other embodiments may utilize GAC cultured with hydrocarbon degrading microorganisms to reduce oil concentration in the water. The wastesolution may be recirculated through the system until the measured contaminant concentration drops below a threshold value. The treated wastesolution may be stored, reused, or may be safely discharged from the system. | 04-25-2013 |
20130175215 | ENGINEERED WETLAND DEVICE OF CONTINUOUS OPERATION FOR WASTEWATER TREATMENT UNDER LOW TEMPERATURE - Constructed wetland wastewater treatment equipment under low temperature for continuous operation which includes: three-section substrates filled in a constructed wetland, ventilation pipes being arranged in the substrates, a height of a bed of the constructed wetland being higher than a height of the substrates; a double wall being filled with an organic substance used as a barrier at periphery of the constructed wetland; a water distributing pipe disposed at a top of the three-section substrates and a water collecting pipe disposed at a bottom of the three-section substrates; and a water inlet pipe connected to an upper portion at one end of the three-section substrates and a water outlet pipe connected to a lower portion at the other end of the three-section substrates, a water outlet of the water outlet pipe being higher than the height of the bed of the constructed wetland. | 07-11-2013 |
20130186822 | LOW ENERGY FORWARD OSMOSIS MEMBRANE WATER PROCESSING SYSTEM - Described herein are systems and processes employing a low energy forward osmosis membrane water processing system to simultaneously (1) detoxify reverse osmosis (RO) residual (reject) brines from ground water treatment, and (2) expand available industrial and agricultural ground water supplies. | 07-25-2013 |
20130213882 | MARINE BACTERIAL LIQUID FOR DEGRADATION OF HIGH-MOLECULAR-WEIGHT POLYCYCLIC AROMATIC HYDROCARBONS AND THE PREPARATION METHOD THEREOF - A composite marine bacterial liquid for the synergic degradation of high-molecular-weight polycyclic aromatic hydrocarbons (HMW PAHs) and the preparation method thereof. The composite marine bacterial liquid is generated by mixing the fermented culture liquid of a stain of | 08-22-2013 |
20130220919 | Method for recovering phosphate salts from a liquid - The invention relates to a method for completely separating phosphate from a liquid and for recovering phosphate salts in a reactor, which is equipped with two groups of electrodes having differing polarities, wherein the sacrificial electrodes consist of a magnesium-containing material, and wherein said method comprises the following method steps: the application of a voltage to the electrodes; the continuous flow of the liquid through the reactor; the precipitation of phosphate salts from the liquid; and the settling of the crystals in the cone-shaped bottom of the reactor. For a galvanic procedure, no voltage is applied to the electrodes. | 08-29-2013 |
20130292328 | RECOMBINANT CELL TRANSFORMED BY AN ARABIDOPSIS THALIANA ATPASE ATHMA1 SEQUENCE - This invention corresponds to a bacteria or preferably a yeast, which in its natural state presents a reduced tolerance to heavy metals, but when genetically transformed following this invention, with a vegetal-origin gene, presents high tolerance to heavy metals. Specifically, the cell in the invention is transformed with a vector that allows the expression of the AtHMA-1 gene of | 11-07-2013 |
20130319933 | Bioaugmentation using floating mixer - The present invention is directed toward a device and method of dispensing biological solutions into a wastewater treatment system containing a floating mixer adapted to dispense biological solutions. The floating mixer with dispensing capabilities is strategically positioned within water holding areas, such as ponds or lagoons. The floating mixer and dispensing unit contain a flotation platform or other support structure, an impeller or similar device to create a flow pattern, and a dispensing device for controllably dispensing a microbial, preferably bacterial, solution. | 12-05-2013 |
20130327708 | ANAEROBIC LAGOON OR TANK HAVING A FLOW-SPLITTER TANK - An anaerobic lagoon wastewater treatment system has a flow-splitter tank for accurately dividing a flow of raw, untreated wastewater. The system is designed as an earthen basin or as a tank and includes at least one partitioning element for providing two connected wastewater treatment zones. The first wastewater treatment zone in the direction of wastewater flow has a larger volume and is more efficient in the removal of biological oxygen demand (BOD) than the second wastewater treatment zone. The flow-splitter tank divides the incoming wastewater flow into two streams, which are conducted to the first and second wastewater treatment zones, respectively. A predetermined ratio of carbon to nitrogen is maintained within an effluent pumped from the second wastewater treatment zone by adjusting the relative amount of raw wastewater added directly to the second wastewater treatment zone. | 12-12-2013 |
20130334131 | IDENTIFICATION OF AND COMPOSITIONS CONTAINING POLYPHOSPHATE ACCUMULATING BACTERIA - Provided are compositions comprising polyphosphate accumulating bacteria as well as a method for identifying said polyphosphate accumulating bacteria. Additionally provided is a method for treating various substances with said compositions. | 12-19-2013 |
20130341266 | ALTERING METABOLISM IN BIOLOGICAL PROCESSES - Compositions of peptides and surface-active agents are described, as are methods of making and using such compositions. The compositions are capable of affecting metabolic rates in biological systems, and to accelerate nutrient uptake without a concomitant increase in biofilm production. | 12-26-2013 |
20140042084 | METHOD AND APPARATUS FOR CLEANING A FILTRATION CASSETTE OF A MEMBRANE BIO-REACTOR - A method and apparatus for cleaning a membrane bioreactor having a stack of generally vertically oriented membrane filter plates mounted in a filtration chamber containing wastewater. In a first cleaning phase, air is supplied to a first discharge zone under the stack to discharge gas bubbles into the wastewater at the bottom of the stack so that the gas bubbles rise upwardly through passages between the filter plates to scour surfaces of the membranes bounding the passages. In a second cleaning phase, gas is supplied to a second discharge zone at the bottom of the stack and surrounding it to cause air lift induced circulation of the wastewater up around the sides of the stack and downwardly through the passages between the filter plates to eject accumulated fibrous material from the passages and to scour surfaces of the membranes bounding the passages. | 02-13-2014 |
20140061123 | Prevention and Remediation of Petroleum Reservoir Souring and Corrosion by Treatment with Virulent Bacteriophage - There is provided a safe, natural, environmentally sound means of controlling bacterial contamination, corrosion, and souring of oil and gas wells and reservoirs that result from bacteria-contaminated water in a well. In one aspect it is a process for remediation of souring of petroleum reservoirs and coalbeds by adding to the water used in flooding and “fracing” operations an effective amount of virulent (non-lysogenic) bacteriophages (phages) specific for problematic target bacteria. The invention also provides a means for combating loss of effectiveness of bacterial control by staging bacteriophage production and application to control dominant and sub-dominant target bacteria in a community of target bacteria. | 03-06-2014 |
20140102975 | PROCESS FOR REDUCING BIO-CORROSION IN WATER SYSTEMS - Bacterial contamination of industrial water systems lead to bacterial induced corrosion. This invention provides a method for control of corrosion of industrial water systems caused by bacteria by the destruction of targeted problematic bacteria with naturally occurring, non-engineered bacteriophage virulent for targeted bacteria. The invention also provides a staged sequencing of control to adapt to changing conditions. | 04-17-2014 |
20140231344 | SEAWATER DESALINATION METHOD - A seawater desalination method of the present invention includes the steps of obtaining ultrafiltration membrane-treated water by subjecting seawater ( | 08-21-2014 |
20140263038 | METHOD FOR CONTROL OF DELETERIOUS MICROBES IN OIL AND GAS AND OTHER INDUSTRIAL FLUIDS - A method of controlling sulfides in water systems is disclosed which includes injecting 9,10 anthraquinone into the water system and injecting a nitrate or nitrite into the water system. | 09-18-2014 |
20150008181 | WASTEWATER TREATMENT USING CONTROLLED SOLIDS INPUT TO AN ANAEROBIC DIGESTER - The present invention is a system and process for livestock waste management that operates more efficiently than existing technologies with less maintenance and with less chemical process components (and thus chemical handling) with recovery of useful end products. The invention comprises solids separation of the waste to remove solids in excess of about 0.50 mm in size prior to anaerobic digestion followed directly by solids separation preferably using an ultra filter and then ammonia recovery. | 01-08-2015 |
20150034551 | Process for treating effluents from the production of an aromatic compound derived from a dihydroxylated benzene - A process for treating an aqueous solution (A) derived from a method of producing a compound of formula (I), wherein R1 and R2 are identical or different and are chosen from among hydrogen and C1-C5 alkyl, wherein R1 and R2 together form a methylene group, and wherein R3, R4, R5 and R6, which are independently identical or different, are chosen from among: a hydrogen atom, a hydroxy group (—OH), an alkoxy group (—OR), an alcohol group (—ROH), an aldehyde group (—CHO), a ketone group (—C(═O)R), an acid group (—COOH), a nitrile group (—CN), a C1-C6 alkyl chain, linear or branched, saturated or unsaturated, potentially comprising one or a plurality of substitutes in a terminal or lateral position or one or more functions in said alkyl chain, R being a C1-C5 alkyl, wherein the aqueous solution (A) comprises at least one sulfate salt SO | 02-05-2015 |
20150076057 | GREASE INTERCEPTOR FOR A WASTE WATER STREAM FROM AN EXHAUST FAN ASSEMBLY - To facilitate the collection of grease and water from commercial kitchen exhaust fans the invention provides a collection tank in communication with the drainage spout of the fan assembly. The tank has a lid for sealing the tank, a first reservoir for collecting the stream of grease and water and a second reservoir below the first reservoir for receiving water separated from the grease and water stream in the first reservoir. The first and second reservoirs are separated by a sloping plate. The tank also includes a siphoning apparatus which when connected to a source of high pressure fluid such as water or steam can purge the second reservoir of water and recycle the water back to a fan cleansing operation or to a disposal facility. | 03-19-2015 |
20150108065 | METHOD FOR WASTEWATER TREATMENT - A method for wastewater treatment in a bioreactor, comprises recycling organic sludge in the bioreactor to supply carbon sources for removing nitrogen and phosphor and increase organic loading of the reactor, and adjusting operational parameters for the bioreactor to form facultative-anaerobic environment or anaerobic environment in the bioreactor. By following the method of the present invention, recycling sludge and simultaneously removing nitrogen and phosphor are completed such that the treatment processes for wastewater disposal are simplified; the sludge is recycled as carbon sources in the bioreactor such that saving resources is realized and the carbon emission into atmosphere is reduced; and zero-amount sludge is discharged such that harm from secondary pollution is avoided. | 04-23-2015 |
20150315052 | BACTERIAL ADDITIVES FOR BIOLOGICAL AND/OR CHEMICAL CONTAMINANTS WITHIN WATER-BASED FLUIDS - An effective amount of at least one second bacteria may be added to a wastewater stream within a water treatment system. The wastewater stream may have or include an aqueous-based fluid, a first bacteria and organic acids. The second bacteria may be or include, but is not limited to facultative bacteria, spore-forming bacteria, phenol degrading bacteria, denitrifying bacteria, organic acid-degrading bacteria, high temperature bacteria, and combinations thereof. The addition of the second bacteria the wastewater treatment system may at least partially reduce the amount of the organic acids within the wastewater stream as compared to an otherwise identical wastewater stream in the absence of the second bacteria. | 11-05-2015 |
20150344340 | CHEMICAL FREE AND ENERGY EFFICIENT DESALINATION SYSTEM - A desalination system ( | 12-03-2015 |
20150376043 | METHOD AND APPARATUS FOR WASTEWATER TREATMENT USING EXTERNAL SELECTION - A method and an apparatus for biological wastewater treatment that includes a biological selector and a physical selector. The apparatus comprises an internal biological reactor where wastewater and recycled biomass are combined to provide a high substrate and high electron acceptor gradient for generating morphological biomass features that favor granule formation over floc and filament formation, and an external gravimetric or external screen selector operating on the biomass waste stream for collecting and retaining densified biomass aggregates including dense granule selection and for wasting lighter filaments and flocs. In the method and apparatus, particles may be added to provide cores to promote the formation of aggregates encapsulating the seeded particles. The particles may be added as various materials, for example, in the bioreactor, to initiate or seed the formation of a granule, that could then be separated by or integrated with either the external gravimetric or external screen selector. Further, organisms may be selected for biological phosphorus removal, denitrifying methane oxidizers, biological sulfur or sulfide oxidation, methanogenesis. | 12-31-2015 |
20160185638 | FUNGI-BACTERIA COMPOSITE MICROECOLOGICS AND METHODS FOR PREPARING AND USING THE SAME - A fungi-bacteria composite microecologies, including: ester-degrading fungi including | 06-30-2016 |
20160190627 | Filtration-Active Fuel Cell - A filtration-active fuel cell and the use thereof in the treatment and processing of fluids, in particular liquids, wherein the filtration-active layer of a membrane filter is simultaneously used as an anode of a fuel cell. | 06-30-2016 |
20160200606 | SYSTEM AND METHOD FOR PREVENTING AMMONIA REBOUND IN A COLD-WEATHER BIOREACTOR | 07-14-2016 |
20160200610 | Cost Optimized System for WWTP Using Lagoons and In-Situ Membrane Bio Reactor Modules | 07-14-2016 |