| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 12/18/2002 | CN1385372A Granular material for purifying waste water and preparation method thereof |
| 12/18/2002 | CN1385371A Active water treatment device |
| 12/18/2002 | CN1385235A Method for loading web thick bulk material in liquid permeable container |
| 12/18/2002 | CN1385141A Hand driven electric ionic liquid tooth-flushing cleaner |
| 12/18/2002 | CN1096424C Sewage treatment installation |
| 12/18/2002 | CN1096423C Sewage treatment installation |
| 12/18/2002 | CN1096422C UV-device for purification of liquid or gas, preferably water |
| 12/18/2002 | CN1096289C Hydrolysis reactor for removal of urea ammonia and carbon dioxide from liquid phase comprising urea in aqueous solution |
| 12/18/2002 | CN1096284C Process for treatment of waste water |
| 12/17/2002 | US6495698 Binder-free compacted forms of 1,3-dihalo-5,5-dimethylhydantoins |
| 12/17/2002 | US6495169 Concentrated aqueous bromine solutions and their preparation |
| 12/17/2002 | US6495096 Deodorant and process for deodorization using said deodorant |
| 12/17/2002 | US6495052 System and method for treatment of water |
| 12/17/2002 | US6495050 Method for treating manganese containing water |
| 12/17/2002 | US6495049 System comprising devices for measuring temperature of water in housing and for measuring temperature of gases discharged from housing, and control system which opens valve and releases treated water when selected temperatures are reached |
| 12/17/2002 | US6495048 Feeding stream into electrochemical cell wherein electricity passes through and coaggulates the stream, then passing the mixed liquid into flotation cell |
| 12/17/2002 | US6495047 Process for selective coagulant recovery from water treatment plant sludge |
| 12/17/2002 | US6495041 Method for purifying aqueous suspension |
| 12/17/2002 | US6495036 Diffuser for ozone disinfection of water |
| 12/17/2002 | US6495033 Device for separating two non-mixable liquids with different specific gravities |
| 12/17/2002 | US6495014 Electrodeionization substrate, and device for electrodeionization treatment |
| 12/17/2002 | US6494995 Solar distillation system |
| 12/17/2002 | US6494223 Wet cleaning apparatus utilizing ultra-pure water rinse liquid with hydrogen gas |
| 12/17/2002 | US6494218 Method of removing metal sulfates from surfaces |
| 12/17/2002 | CA2225798C Liquid medium extraction purification method |
| 12/17/2002 | CA2120364C Method of removing volatile organic compounds from water |
| 12/14/2002 | CA2350691A1 Removal of pollution from aqueous bodies |
| 12/12/2002 | WO2002099824A2 Nanotube deposition on adsorbents in water maker heat pump |
| 12/12/2002 | WO2002099091A2 Endo-beta-1,4-glucanase from bacillus |
| 12/12/2002 | WO2002098991A1 Substrates with modified carbon surfaces |
| 12/12/2002 | WO2002098804A1 System for the production of ultra-pure laboratory-grade water |
| 12/12/2002 | WO2002098801A1 Method of controlling contaminant flow into water reservoir |
| 12/12/2002 | WO2002098799A1 Treatment of liquids |
| 12/12/2002 | WO2002098798A1 Article for deionization of water |
| 12/12/2002 | WO2002098791A1 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 |
| 12/12/2002 | WO2002098562A1 Photocatalyst coated magnetic composite particles |
| 12/12/2002 | WO2002098536A1 Processes for manufacturing particles coated with activated lignosulfonate |
| 12/12/2002 | WO2002098533A1 Method and apparatus for the concentration of fluid-borne pathogens |
| 12/12/2002 | WO2002098527A2 System for recirculating tangential filter concentrate |
| 12/12/2002 | WO2002098231A1 Method and apparatus for preventing bacteria and algae growth in water |
| 12/12/2002 | WO2002080192A3 Means for isolating radium from water, in particular from radioactive water contaminated by natural uranium and its natural disintegration products, using a reactive material consisting of several components |
| 12/12/2002 | WO2002080191A3 Agent for isolating radium from water, in particular from radioactive water contaminated by natural uranium and its natural disintegration products |
| 12/12/2002 | WO2002076590A3 Filtering system |
| 12/12/2002 | WO2002053288A3 A method for the manufacture of compositions containing low concentrations of salts |
| 12/12/2002 | WO2002026363A3 Membrane filter unit and method for filtration |
| 12/12/2002 | WO2002020116A3 Device and method for particle agglomeration |
| 12/12/2002 | WO2001096248A3 Ozonation process |
| 12/12/2002 | US20020188040 Water-soluble polymer complexes |
| 12/12/2002 | US20020187545 Bioremediation of hydrocarbon contaminated waste using corn material |
| 12/12/2002 | US20020187203 Stable antimicrobials in structured water |
| 12/12/2002 | US20020187095 Method of removing phosphorus from suldge |
| 12/12/2002 | US20020187092 Vessels and covers |
| 12/12/2002 | US20020187082 Comprising a magnetic composition, and at least one photocatalyst particle secured thereto; nanoparticles; use in fluidized bed chemical reactors for the treatment of water and air |
| 12/12/2002 | US20020185456 Reducing sludge viscosity of sludge of given solids concentration; includes steps of raising pH, holding step, adding chemicals to reduce viscosity, followed by incubating and shearing; low viscosity sludge for land spraying |
| 12/12/2002 | US20020185455 Stores fluid treatment tablets and automatically feeds them into the fluid body to maintain a relatively constant tablet surface area for constant dosage to the fluid body such as a swimming pools; automatic chlorinators |
| 12/12/2002 | US20020185452 Non-chemical water treatment method and apparatus employing ionized air purification technologies |
| 12/12/2002 | US20020185448 Process and system for treatment of aqueous environments containing water soluble polymers |
| 12/12/2002 | US20020185447 Production of products from sewer sludge |
| 12/12/2002 | US20020185446 Method and apparatus for removing dissolved metals from wastewater by electrocoagulation |
| 12/12/2002 | US20020185444 Method of oil spill recovery using hydrophobic sol-gels and aerogels |
| 12/12/2002 | US20020185443 Process for preparing heterodisperse chelating resins |
| 12/12/2002 | US20020185440 Method for recycling wash-water resulting from film treatment |
| 12/12/2002 | US20020185439 Process for the removal of organic substances (TOC), pesticides, or other substances from a salt solution |
| 12/12/2002 | US20020185438 Such as overflow sewage or oil-contaminated water; includes an inflow pipe connected to the receiving means of the vertical membrane storage system, an inflow overflow valve within the pipe and an outflow pipe with valve |
| 12/12/2002 | US20020185430 Variable pore micro filter having simple and compact structure capable of side stream filtration and cross flow filtration |
| 12/12/2002 | US20020185426 Environmental flexible remediation system |
| 12/12/2002 | US20020185424 Apparatus comprising rotatable housing having inlet for gas, suction opening for medium, outlet openings along periphery of housing, vanes in outlet openings, shaft connected to housing connectable to device for rotating housing |
| 12/12/2002 | US20020185423 Device and method for generating and applying ozonated water |
| 12/12/2002 | US20020185420 Sprayer and filter therefor |
| 12/12/2002 | US20020185419 System and method for controlling microorganisms and biofilms |
| 12/12/2002 | US20020185418 Apparatus for purification of waste water and a "RFLR" device for performing the same |
| 12/12/2002 | US20020185417 Apparatus for the treatment of domestic water |
| 12/12/2002 | US20020185383 Method for removing phosphorus from water to be treated using an electric field |
| 12/12/2002 | US20020185382 Method for electrochemical treatment of effluents, especially effluents from leather tanneries, comprising chromium salts |
| 12/12/2002 | US20020185380 Device for producing electrolytic water and process for producing electrolytic water |
| 12/12/2002 | US20020185080 Self-photoperiodic acclimatization aquatic pedestal |
| 12/12/2002 | DE10142933A1 Membrane filtration of zinc phosphation bath overflow or washing water, e.g. in car, domestic appliance or steel industry, involves adding reagent inhibiting membrane blocking and/or cleaning membrane with acid |
| 12/12/2002 | DE10128062A1 Entschlammungseinrichtung und Verfahren zum Entschlammen einer Flüssigkeit Desludging and method for desludging a liquid |
| 12/12/2002 | DE10127575A1 Water decontamination using bioadsorber-containing and inorganic adsorber-containing columns to reduce the trace contents of arsenic, manganese and iron |
| 12/12/2002 | DE10127545A1 Verfahren und Vorrichtung zur weitergehenden Reinigung kommunaler Abwässer Method and apparatus for advanced treatment of municipal wastewater |
| 12/12/2002 | DE10126222A1 Windenergieanlage mit Meerwasserentsalzungsanlage Wind power plant and desalination plants |
| 12/12/2002 | DE10123885A1 Verfahren zum Abfüllen von feuchtem, klebrigem Schüttgut Method for filling moist, sticky bulk |
| 12/12/2002 | CA2482301A1 System for recirculating tangential filter concentrate |
| 12/12/2002 | CA2449697A1 Method of controlling contaminant flow into water reservoir |
| 12/12/2002 | CA2418477A1 Method and apparatus for the concentration of fluid-borne pathogens |
| 12/11/2002 | EP1264818A1 A method for treating an effluent containing sorbic acid and/or a salt thereof and an effluent disposal device |
| 12/11/2002 | EP1264801A2 Reduction process |
| 12/11/2002 | EP1264626A1 Variable pore micro filter having simple and compact structure capable of side stream filtration and cross flow filtration |
| 12/11/2002 | EP1264046A2 Partially halogenated hydantoins in slime control |
| 12/11/2002 | EP1263686A1 Process for production of hydrogen from anaerobically decomposed organic material |
| 12/11/2002 | EP1263685A1 Rapidly-dissolving halogenated hydantoin powders having improved flow, reduced dust, improved wetability, and increased bulk densities |
| 12/11/2002 | EP1263684A1 Binder-free compacted forms of 1,3-dihalo-5,5-dimethylhydantoins |
| 12/11/2002 | EP1263683A2 Electrode assembly |
| 12/11/2002 | EP1263482A1 Apparatus and method of treatment of wounds, burns and immune system disorders |
| 12/11/2002 | EP1135338B1 A process for the control of microbial contamination in water-based solids suspensions |
| 12/11/2002 | EP1117621B1 Media for water treatment |
| 12/11/2002 | EP0937011B1 Oxidation method and sewage treatment plant |
| 12/11/2002 | EP0879213B1 AN ACTIVATED CARBON TREATED BY CARBON DIOXIDE FOR THE STABILIZATION OF TREATED WATER pH AND THE CONTROL OF ALUMINUM IN THE TREATED WATER |
| 12/11/2002 | EP0819100B1 Water filtration cartridge |
| 12/11/2002 | CN2525079Y Uniform resin alternative filling electric deionizing water purifying device |