| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 04/10/2002 | CN1343628A Ship-type air float method and equipment for removing algae |
| 04/10/2002 | CN1343627A Instantaneous desalting equipment for seawater |
| 04/10/2002 | CN1343528A Valve controlled residual pressure recovering equipment for impervious desalination system |
| 04/10/2002 | CN1082584C Chlorine removing device for washer and washer with same |
| 04/10/2002 | CN1082494C Method for treating residual coking ammonia water or all coking waste water with flue gas |
| 04/09/2002 | US6369364 Electric thermo pot |
| 04/09/2002 | US6369169 Modified polystyrene spherical, resin and process for decontaminating waste water by using the same |
| 04/09/2002 | US6368849 A treatment system for liquid manure by subjecting the liquid to anaerobic fermentaion in a biogas reactor; separate by filtration, the sterile particle-free permeate stream from the reactor; then heat treat with an ammonia stripper |
| 04/09/2002 | US6368511 Conditioning method for dehydrating clarification sludge |
| 04/09/2002 | US6368510 Method and apparatus for the removal of arsenic from water |
| 04/09/2002 | US6368508 Method and apparatus for single reactor wastewater treatment system |
| 04/09/2002 | US6368504 Carbon block water filter |
| 04/09/2002 | US6368474 Chlorine generator |
| 04/09/2002 | US6368472 Electrolytic chemical generator |
| 04/09/2002 | US6367784 Apparatus for aerating water |
| 04/09/2002 | US6367493 Potted transducer array with matching network in a multiple pass configuration |
| 04/09/2002 | US6367285 Freeze-concentrating apparatus for aqueous solutions, ice pillar producing apparatus, and freeze-concentrating method for aqueous solutions |
| 04/09/2002 | CA2358225A1 Use of monodisperse ion exchangers for arsenic and/or antimony removal |
| 04/09/2002 | CA2271583C Modular home dialysis system |
| 04/09/2002 | CA2229754C Method for culturing microorganism, method for biosynthesizing organic compound, method for maintaining microbial ability to decompose polluting substance, method for decomposing pollutant, and method for remedying environment |
| 04/06/2002 | CA2322991A1 Continuous water cycle water treatment apparatus |
| 04/04/2002 | WO2002026643A1 Removal of fluoride from wastewaters using input fluoride sensing electrode |
| 04/04/2002 | WO2002026642A2 Water purification system |
| 04/04/2002 | WO2002026640A1 Simultaneous ammonia and fluoride treatment for wastewater |
| 04/04/2002 | WO2002026639A1 Method and apparatus for clarification of water |
| 04/04/2002 | WO2002026638A1 Improved system and processes for water purification that include bio-filtration |
| 04/04/2002 | WO2002026637A1 Method for treating a stream of water and a corresponding device for implementing said method |
| 04/04/2002 | WO2002026636A1 Device for electrolytic water disinfection without cathodic hydrogen evolution |
| 04/04/2002 | WO2002026635A1 Electrochemical cell and electrochemical treatment of contaminated water |
| 04/04/2002 | WO2002026634A1 Method and means for purification of water by reverse osmosis |
| 04/04/2002 | WO2002026633A1 Adsorption container and iron oxide adsorber |
| 04/04/2002 | WO2002026632A1 Contact and adsorber granulates |
| 04/04/2002 | WO2002026631A1 Contacting and adsorbent granules |
| 04/04/2002 | WO2002026630A1 Contact and adsorber granulates |
| 04/04/2002 | WO2002026629A2 Electrodeionization device and methods of use |
| 04/04/2002 | WO2002026367A2 Apparatus and method for increasing oxygen levels in a liquid |
| 04/04/2002 | WO2002026363A2 Membrane filter unit and method for filtration |
| 04/04/2002 | WO2002026362A1 High recovery reverse osmosis process and apparatus |
| 04/04/2002 | WO2002026350A1 Methods of enhancing fine particle dewatering |
| 04/04/2002 | WO2002026347A1 Improved filter cleaning method |
| 04/04/2002 | WO2002026346A1 A method and an apparatus for continuously deaerating a liquid |
| 04/04/2002 | WO2002026344A1 Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis |
| 04/04/2002 | WO2002026340A2 Methods of using natural products as dewatering aids for fine particles |
| 04/04/2002 | WO2002026058A1 Method for preparing mineral-containing liquids, especially drinks |
| 04/04/2002 | WO2001096823A3 Optical radiation sensor system and method for measuring radiation transmittance of a fluid |
| 04/04/2002 | WO2001081248A3 Anti-biofouling method and apparatus for optical sensors |
| 04/04/2002 | WO2001080972A3 Method and apparatus for manufacture of static filtration media |
| 04/04/2002 | WO2001058811A3 Multi-purpose appliance comprising a sieve carbonator |
| 04/04/2002 | WO2001056386A9 Compositions and methods for controlling algae in recirculating water systems |
| 04/04/2002 | US20020039655 Water absorbing polymer |
| 04/04/2002 | US20020039652 Synthesis of alumina acetate monohydrate salt sol fibers and uses thereof |
| 04/04/2002 | US20020038785 Redox systems |
| 04/04/2002 | US20020038768 Portable; electrolysis |
| 04/04/2002 | US20020038662 Potted transducer array with matching network in a multiple pass configuration |
| 04/04/2002 | DE10056629C1 Production of a nickel-containing solution consisting of a phosphating bath overflow and/or rinsing water comprises phosphating using an acidic phosphatizing solution and optionally further metal ions and an accelerator |
| 04/04/2002 | DE10046959A1 Heavy industrial liquid effluent homogenized in reactor under turbulent conditions by compressed air and regulated introduction of radical agent |
| 04/04/2002 | DE10044713A1 Removal of waste water laboratory samples involves water drawn through a micro-porous membrane by a piston suction which is cleaned by reverse action |
| 04/04/2002 | DE10044697A1 Process, useful for treating ground water, comprises injecting pressure controlled oxygen into well water and releasing the supply of gas via a porous matrix in a pressure regulated reactor |
| 04/04/2002 | DE10044652A1 Verfahren und Vorrichtung zum dauerhaft nachwirkenden Dekontaminieren von Wasserversorgungsleitungssystemen Method and apparatus for permanently after-effects decontaminating water supply line systems |
| 04/04/2002 | DE10044156A1 Verfahren und Vorrichtung zur Teilchenagglomeration Method and apparatus for particle agglomeration |
| 04/04/2002 | CA2423650A1 Water purification system |
| 04/04/2002 | CA2423615A1 Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis |
| 04/04/2002 | CA2423486A1 Electrodeionization device and methods of use |
| 04/04/2002 | CA2423178A1 Adsorption container and iron oxide adsorber |
| 04/04/2002 | CA2423173A1 Contact and adsorber granules |
| 04/04/2002 | CA2423010A1 Contact and adsorber granules |
| 04/04/2002 | CA2389846A1 Apparatus and method for purification of water |
| 04/03/2002 | EP1193242A1 Method for recovering fluorinated alkanoic acids from waste waters |
| 04/03/2002 | EP1193234A2 Water quality improving materials and method for producing the same materials |
| 04/03/2002 | EP1193223A1 Process and apparatus for the treatment of animal by-products |
| 04/03/2002 | EP1193222A2 Device for sludge thickening |
| 04/03/2002 | EP1192108A2 Methods of preventing scaling involving inorganic compositions, and compositions therefor |
| 04/03/2002 | EP1192075A1 Method and device for preventing organism growth on sea-cases and seawater systems on ships, offshore platforms, etc. |
| 04/03/2002 | EP1192001A1 Carbon char for metals-removal |
| 04/03/2002 | EP1191988A1 Cold distillation method |
| 04/03/2002 | EP1191849A1 N-chlorosulfamate compositions having enhanced antimicrobial efficacy |
| 04/03/2002 | EP1129036A4 Bottled water cooler with built-in oxygen generator and oxygen injection system |
| 04/03/2002 | EP1019153B1 Use of a composition comprising a phosphate carbonate and silicate for eliminating heavy metals from aqueous effluents |
| 04/03/2002 | EP0968962A4 Method and device for uv treatment of liquid, air and surface |
| 04/03/2002 | EP0626931B2 Process, machine and plant for extraction by evaporation of the solid residues of a fluid substance |
| 04/03/2002 | CN2484360Y Re-utilizing apparatus of building living-water |
| 04/03/2002 | CN2484311Y Ozone water mixer |
| 04/03/2002 | CN2484310Y Novel IV-type pure-water treatment device of nitrogen-free oxide derivative |
| 04/03/2002 | CN2484309Y Microaperture bubbling-areating-jetting ozone gas-water mixing device |
| 04/03/2002 | CN2484308Y High-concentration ozone disinfecting-do toxicating-water machine |
| 04/03/2002 | CN2484307Y Sterilized discharger for toilet on train |
| 04/03/2002 | CN2484306Y Stainless-steel sewage-treatment machine |
| 04/03/2002 | CN2484305Y Sterilizing device for active carbon |
| 04/03/2002 | CN2484304Y Water-treatment dissolved-air releaser |
| 04/03/2002 | CN2484303Y Active-water generator |
| 04/03/2002 | CN1343285A Water softener valve |
| 04/03/2002 | CN1343182A Method and apparatus for treamtent of organic matter-containing waste water |
| 04/03/2002 | CN1342615A Mineral water for preventing hepatism |
| 04/03/2002 | CN1342614A Apparatus for ultrahigh-effective desalination of seawater by high-pressure explosion, liquid drip expansion and instantaneous evaporation |
| 04/03/2002 | CN1342506A Water filter |
| 04/03/2002 | CN1082033C Method for improving pH value during prodn. of purified water |
| 04/03/2002 | CN1081947C Fluid treamtent system and process |
| 04/02/2002 | US6365734 Cucurbituril derivatives, their preparation methods and uses |
| 04/02/2002 | US6365193 Anti-bacteria agent made from shell, and methods for purifying and desalinating water and for washing agricultural products with use thereof |
| 04/02/2002 | US6365052 Very high molecular weight cationic dispersion polymers for dewatering animal farm wastewater |