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7622042 |
Water treatment apparatus and method
It is an object of the invention to provide an effective technique for detecting the quality of water with high accuracy. A representative water treatment apparatus includes an aerobic treatment...
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7618545 |
Method for treating ship ballast water
A method for treating ship ballast water in which organisms viable in the ship ballast water are exterminated by adding to the ship ballast water hydrogen peroxide or a compound producing hydrogen...
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7611638 |
Method of purifying polluted water
In a first treatment step part of at least one difficulty biodegradable or non-biodegradable organic compound is oxidized in polluted water by bringing said polluted water into contact with an...
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7601755 |
Process for treating water
A process is disclosed for treating impure water by introducing a solution of electrolyticially generated silver citrate into the impure water wherein the silver is electrolytically generated in a...
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7601266 |
Method of promoting unrestricted flow of irrigation water through irrigation networks
A biofilm reducing agent (BRA) and a mineral deposit distorting agent (MDDA) are admixed to irrigation water in amounts sufficient to substantially eliminate biofilm formation in the emitters ( 14...
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7595020 |
Method of treating biological and chemical agents with gas phase, electronically excited states of oxygen
An improved singlet oxygen generator (SOG) and method of using gas phase electronically excited states of oxygen for bio-medical and chemical treatment applications are disclosed. According to the...
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7595003 |
On-board water treatment and management process and apparatus
A contactor apparatus is provided to treat ballast water that has exited a ballast tank before being expelled from a water-borne ship. Within the contactor apparatus, means are provided for...
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7585460 |
Method for inhibiting the biological acidification of water in contact with materials containing sulfur
The invention relates to a method for inhibiting the biological acidification of water which is in contact with materials containing sulfur in reduced form or with elemental sulfur, susceptible to...
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7575691 |
Method for cleaning contained bodies of water
A composition and method for cleaning, sanitizing and maintaining contained bodies of water such as swimming pools, wading pools, fountains, ornamental ponds, etc. The composition includes...
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7562711 |
Hydraulic injection of biocide into tanks
A method of servicing a wellbore comprising transporting at least two portable tanks to a well site to be serviced, and hydraulically injecting biocide into a first of the two tanks, wherein a...
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7517460 |
Water circulation systems for ponds, lakes, municipal tanks, and other bodies of water
A circulation system for bodies of water. In one set of embodiments for larger bodies of water, modified horizontal plate designs are provided at the entrance of the draft hose. The plate designs...
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7501067 |
Biocide
A two part biocide composition containing metal ions and bromine donor for killing microorganisms in a body of water and a method of killing microorganisms in a body of water by placing both metal...
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7501061 |
Production of water for injection using reverse osmosis
A method and system for providing Water for Injection using reverse osmosis. Water for Injection can be produced by reverse osmosis and the reverse osmosis membrane can be kept in a constantly...
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7497953 |
Water treatment apparatus and method
An automatic, self-regulating method of water treatment for use in water circulating towers in which water is evaporated, and make up water is added, with components which synergistically function...
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7485259 |
Organic compound and metal ion synergistic disinfection and purification system and method of manufacture
A new, novel and useful disinfection and purification system comprised of organic compounds in synergistic action with selected metal ions and method of manufacture and use. One of the benefits...
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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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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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7455859 |
Highly concentrated bromine compositions and methods of preparation
Liquid and solid bromine-containing compositions are described. A liquid mixed halogen composition is also described. The highly concentrated liquid compositions and the high-activity solid...
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7455773 |
Package wastewater chemical/biological treatment method
A chemical/biological wastewater treatment plant method and apparatus employing rapid sludge chemical dewatering technology in conjunction with an environmental biological system for treating the...
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7449120 |
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...
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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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7429329 |
Hybrid chemical/mechanical dewatering method for sewage treatment plants
A hybrid chemical/mechanical dewatering sewage treatment plant and method employing rapid sludge chemical dewatering technology in conjunction with slower conventional mechanical dewatering solids...
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7425271 |
Method for treating sludge
Sludge can be treated by placing it in a carrier sized for bulk shipment of sludge by road or by rail. An antipathogenic substance such as lime is mixed into the sludge located in the carrier in...
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7422694 |
Process for the microbiological decontamination of water by means of photosensitive agents
Cationic phthalocyanine and/or porphyins salts are used as photosterilising agents for microbiologically contaminated waters, particularly for inactivating Gram-positive and Gram-negative bacteria,...
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7422121 |
Process for producing a sterilization system
The invention relates to a method for producing a sterilisation system, especially for sterilising drinking water and water for industrial use. The precious metal surface of a base material...
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7419607 |
Anti-biofilm forming structure and method of manufacturing the same
A biofilm resistant fluid handling system is provided having at least one structural component adapted to retain or deliver fluid. The at least one structural component is formed from a biofilm...
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7419603 |
Water treatment method
The present invention provides a physical water treatment (PWT) method and apparatus to treat liquid coolants. Electrodes ( 22, 24 ) are provided in a coolant stream ( 21 ), and an alternating...
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7407590 |
Method for removal of biofilm
The present invention provides a method for the removal of biofilm, flocculent bulked sludge or bulked biologically active sludge from an aqueous system. The method involves adding one or more...
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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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7402253 |
Controlled bypass flow and ozone proportion method and system
A method and system of ozone treatment diverts a portion of water from a flow of water in a conduit; injects an ozone-containing gas into the portion to provide an ozonated portion; recombines the...
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7402252 |
Automated electrolyte addition for salt water pools, spas, and water features
An automated system of the present invention adds electrolyte into a pool. The automated system includes a sanitizer generator, a circulation system, and an electrolytic solution delivery system....
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7396470 |
Treatment of environmental pollutants with mineral ores
A method for removing a pollutant from emissions or the environment comprising: contacting a mineral ore or the use of a mineral ore selected from the group consisting of bauxite, modified bauxite...
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7391041 |
Germicidal UV reactor and UV lamp
A germicidal UV reactor for use in fluid purifiers is provided, in which the UV reactor comprises an UV lamp with an UV transparent primary envelope and also an UV transparent secondary envelope...
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7390413 |
Water softener system and method
a water softening system includes a water softening resin tank, an anion resin tank in flow communication with the water softening resin tank, an in-line water heater in flow communication with the...
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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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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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7381686 |
Composite for inhibiting algae growth and use therof
A composite for inhibiting algae growth comprising a polypore base carrier and a nano-metal mixture coated on the carrier, wherein the mixture comprising a nano-metal particle and a substance for...
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7381334 |
Method for inhibiting microbial growth in liquid nutrients
A method for making a web having a metal-ion sequestering agent and treating a liquid using the web. The method of making the web includes electrostatically providing at least one metal-ion...
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7374692 |
Treatment of ballast water
The invention relates to hydrocyclones for ballast water treatment. The invention further relates to ballast water treatment systems comprising such hydrocyclones and methods of operating such...
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7371328 |
Method for treating hog and animal waste
An animal treatment method comprises flushing the animal waste from a barn to a holding tank where the waste is mixed with an alkaline solution to kill pathogens. After neutralization, the solution...
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7361275 |
Use of derivatized nanoparticles to minimize growth of micro-organisms in hot filled drinks
A method and article for removing a selected metal-ion from a solution. The method included providing a container for holding a liquid, the container having an internal surface having a metal-ion...
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7347941 |
Treating micro-organisms in water using boron conditioned enzymes and composition therefor
The invention relates to methods and compositions for of treating water systems, particularly recirculating water systems contaminated by a biofilm containing sessile micro-organisms. The method...
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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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7326330 |
Method and apparatus for scale and biofilm control
Method and apparatus for electrolytically controlling the formation of scale and biofilm in water purification and other systems. An anode is deposited on or disposed on or adjacent to a surface,...
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7323149 |
Supplemental ozone treatment for ensuring the sterility of instrument cleaning systems
Methods and apparatus utilizing supplemental ozone treatment for ensuring sterility of instrument cleaning systems. By flushing ozonated water through the components of a cleaning system, the...
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7320761 |
Method for purifying water
The invention relates to a method for purifying water by dissolving one or more soluble metal salts in the water to provide corresponding metal ions, by dissolving hypohalite into the water, and by...
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7320758 |
Method for control of microorganisms in metalworking fluid
A method for disinfecting microorganisms in metalworking fluids without leaving behind unacceptable amount of chemicals in the treated fluids. The method comprises passing the fluid in a...
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7319230 |
Disinfection and decontamination using ultraviolet light
An apparatus and method for disinfecting a cryostat is provided. The cryostat disinfecting device comprises an ultraviolet emitter, a pulsed power control system, a mirrored cover and a safety...
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7285221 |
Composition for preventing of slime and method for preventing slime
A composition for preventing formation of slime which comprises a chlorine-based oxidizing agent, a sulfamic acid compound, one of an anionic polymer or a phosphonic acid compound and a process for...
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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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