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7473370 |
Water disinfection method using simultaneous multiple disinfectants
A water disinfection system using simultaneous multiple disinfectants includes a completely stirred tank reactor (CSTR) and a contact basin or clearwell acting as a plug flow reactor (PFR). The...
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7465410 |
Solvent-activated reactor
A reactor for an in-situ production of a chemical product in high yield are presented. The reactor, which may be placed in a main solvent, includes a core and a reactor wall around the core. The...
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7465401 |
Treatment of chloraminated water
A method of treating chloraminated water by adding copper ions is disclosed. The addition of copper ions inhibits microbial action in the water, thus reducing nitrification of ammonia and...
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7462289 |
Dispenser for a tablet, and methods of use
The present invention relates to improved dispensers for a tablet containing or consisting of a dissolvable composition which, when contacted with water, will elute one or more chemical compounds...
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7449119 |
Methods for controlling Mycobacterium chelonae and removing bacterial cell membrane fragments from turbulent waters
Compositions containing chlorine and/or bromine in combination with chlorine dioxide are found to be synergistic against non-tuberculosis mycobacterium such as Mycobacteria chelonae.
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7445759 |
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...
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7441665 |
Water purification cartridge
The water purification cartridge treats water with a halogen liberated from halogenated hydantoinyl resins and polymers, resulting in the safe, complete, and economical purification of non-potable...
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7438817 |
System and method for treatment of acidic wastewater
A wastewater treatment system comprising separation unit operations inhibits or promotes the formation and precipitation of species by controlling the pH of wastewater to be treated entering into...
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7438815 |
Inhibiting ammonia emissions and odors from animal wastes with oil
Lipids, such as plant oils and animal fats, are effective for treatment of animal wastes to inhibit both the emission of ammonia and other odors, and the discharge of particulate matter,...
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7407642 |
Chlorine dioxide generation method
A method generating chlorine dioxide is provided. The method uses sodium chlorite solution and diluted sulfuric acid to generate chlorine dioxide with a significantly higher rate of conversion of...
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7404902 |
Method for treating water
A composition for treating water contained in enclosures, such as swimming pools, spas, whirlpool tubs and cooling towers, which includes at least one boron compound, cyanuric acid, at least one...
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7387736 |
Pathogen reduction using chloramines
A method and apparatus for implementing pathogen reduction within a poultry processing or food processing plant that uses water that has been treated with chloramines at an advantageous...
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7384565 |
Method for chlorite removal
The invention is directed to a process for removing chlorite ion from a body of water containing unacceptably high levels of chlorite comprising adding to said body of water a chlorite removal...
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7384564 |
Electrolytic cell and process for removal of bromide ions and disinfection of source waters using silver cathode and/or dimensionally stable anode (DSA): a process for the reduction of disinfectant/disinfection byproducts in drinking water
Electrolytic process combines disinfection with removal of bromide from raw water. Current is applied to the electrodes in an electrolytic cell with raw water that has some salinity as the...
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7377959 |
Process and apparatus for decomposition treatment of volatile chlorinated organic compound
A large amount of a medium containing a volatile chlorinated organic compound (VOC) with a low concentration is passed through an adsorber filled with an adsorbent which adsorb and desorb the VOC...
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7341670 |
Method for treating wastewater
A wastewater treatment system treating excess wastewater from a sewer system includes a generally vertically oriented first shaft structure adapted to receive excess wastewater from the sewer...
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7326352 |
Water treatment system
A water treatment system for reducing the level of bacteria in a flow of water by creating an environment favorable for aerobic bacteria and unfavorable for anaerobic bacteria is disclosed. The...
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7311878 |
Method and apparatus for producing synergistic biocide
An apparatus and methods to produce synergistic mixtures (or combinations) of haloamines to control growth of microorganisms in aqueous systems are disclosed. The apparatus and methods to produce...
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7304312 |
Ultraviolet reflecting compositions
Thermoplastic compositions that reflect ultraviolet light are provided herein, along with articles of manufacture and methods of fluid purification using the same. The thermoplastic compositions...
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7285217 |
Removing odoriferous sulfides from wastewater
A synergistic composition is provided for controlling odor from waste products. The composition comprises a combination of nitrate salt, sulfide-consuming compound, pH-elevating compound,...
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7279099 |
Sludge treatment process
A method utilizing chlorine dioxide and nitrous acid or other non-charged chemical species for the treatment of biosolids to destroy pathogens is provided. The method uses chlorine dioxide to...
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7273585 |
Biological fluid disposal system
A biological fluid disposal system having a water flow line, a biological fluid line in fluid communication with the water flow line, a disinfectant line in fluid communication with the water flow...
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7264735 |
Method for producing drinking water
The present invention relates to a method for producing drinking water having a reduced cluster width and being capable of emitting FIR (Far Infrared Rays) energy by using a solution derived by...
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7264734 |
Method for treating dredged material
The present invention provides a method for treating dredged material in which liquid is first added to the dredged material, and dewatering the dredged material to obtain a filtrate and a solid...
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7261821 |
Process for treating an aqueous system with chlorine dioxide
This invention relates to an automated process for efficiently treating an aqueous system with chlorine dioxide. The process results in high efficiency yields of chlorine dioxide on a continuous...
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7258802 |
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...
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7255797 |
Composition including potassium monopersulfate and a halogen
A product including potassium monopersulfate and a halogen is presented. The product is useful for treatment of aquatic facilities such as swimming pools. While it was known that using a...
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7252772 |
Method for producing an essentially chlorite-free, stable aqueous chlorine-oxygen solution, the chlorine-oxygen solution obtained by means of said method, and the use of the same
The invention relates to a method for producing an essentially chlorite-free, stable, aqueous chlorine-oxygen solution. Said method comprises the following steps: (1) a hydrogen sulfate compound is...
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7252096 |
Methods of simultaneously cleaning and disinfecting industrial water systems
On-Line and Off-Line methods of simultaneously cleaning and disinfecting an industrial water system are described and claimed. The methods involve the addition to the water of the industrial water...
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7244365 |
Process for safely decontaminating the chill water used in meat processing
This invention relates to a process for safely decontaminating the chill water used in meat processing. The decontaminant used in the process is chlorine dioxide.
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7241390 |
Method and system for biologic decontamination of a vessel's ballast water
A system for elimination of unwanted species from contaminated ship ballast water. The apparatus comprises an electrolytic cell containing at least one pair of electrodes, electric alternating...
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7238290 |
Catalytic oxidation of peroxy salts
Transition metal ions have the ability to increase the oxidation performance of the inorganic peroxy salts at room temperature by possibly lowering their activation energy or by producing more...
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7238287 |
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...
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7204931 |
Stable composition with enhanced biocidal and virucidal effect
A storable, stable composition that provides the effective antimicrobial benefits of halogenated agents is presented. The invention includes a water-soluble biocidal composition. The composition...
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7189329 |
Control of development of biofilms in industrial process water
There is provided a method of inhibiting the development of a biofilm adjacent a surface, the method comprising intermittently applying a biofilm inhibiting substance to a collection of...
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7172704 |
Method for treating waste water
A method for treating waste water fluid, wherein the method comprises the steps of macerating waste water fluid in a first tank forming a sheared fluid, filtering the sheared fluid to remove...
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7132579 |
Method of chlorine purification and process for producing 1,2-dichloroethane
A method for chlorine purification in which crude chlorine containing nitrogen and/or oxygen is purified to separate the nitrogen and oxygen from the chloride, characterized in that the crude...
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7077297 |
Method for preparation of biocides mixed with carbon dioxide in a pressurized container
This invention relates to a method for the preparation and metering of substances, mixtures of substances and/or compounds in general, characterized by bacteriostatic and/or bactericidal activity,...
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7060190 |
Dual dispenser
A cartridge holder and a floating dispenser system for dispensing materials into a fluid with the floating dispenser system including a cartridge holder with receptacles for removably attaching or...
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7052615 |
Dispensing system
A dispenser system that takes high pressure fluid such as a high pressure water source and reduces the volume flow of the high pressure water as it flows into a dispenser with the dispenser having...
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7052614 |
Control of development of biofilms in industrial process water
There is provided a method of inhibiting the development of a biofilm adjacent a surface, the method comprising intermittently applying a biofilm inhibiting substance to a collection of...
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7033510 |
Stabilized hypobromous acid solutions
This invention relates to a method for preparing a stabilised stock hypobromous acid solution, and to a stabilised stock hypobromous acid solution. The stabilised stock solution has a hypobromous...
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7029588 |
Oxidizing solution and process for contaminants
My invention provides an oxidizing solution and process for the in situ oxidation of contaminants, including hydrocarbon, organic, bacterial, phosphonic acid, and other contaminants, the...
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7014781 |
Methods and articles for maintaining hydantoinylated polymers in a biocidally active state
A composition and the method for sustaining the biocidal activity of chlorinated polystyrene hydantoin beads. The method comprises supplying a continuous low level halogen concentration to the...
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7014770 |
Filtering method of a colloidal solution
A filtering method is directed to a wastewater of CMP process, which includes sub-micrometer particles suspended as colloid. The wastewater is filtered by a gel membrane formed on a surface of...
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RE39021 |
Hydantoin-enhanced halogen efficacy in pulp and paper applications
Free halogen sources (e.g., sodium hypochlorite and chlorine) added as slimicides in high organic component process streams such as pulp and paper processing are rendered more efficacious by the...
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7008543 |
Use of chlorine dioxide and ozone for control of disinfection by-products in water supplies
A method of oxidation or pathogen inactivation in water supplies using the combination of treatments of chlorine dioxide and ozone in the sequential steps prior to filtration and distribution....
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7005073 |
Residual wastewater chlorine concentration control using a dynamic weir
An automated reactor-based system for treating water includes a reactor having an inlet to provide water at an inlet flow rate into the reactor, structure for adding at least one treatment chemical...
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6998057 |
Method for monitoring and controlling chlorine levels in an aqueous medium
A method for monitoring and adjusting the level of free chlorine in an aqueous fluid is described. In the described method, first aqueous fluid ( 50 ) substantially free of free chlorine is...
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6998049 |
Method for preventing the formation of biological films
The invention relates to a method for improving the performance of filtration devices by adding P- and/or N-containing compounds to the medium to be filtered.
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