| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/29/2001 | WO2001021273A1 Separator for liquid suspension |
| 03/29/2001 | WO2001020996A1 Biocidal applications of concentrated aqueous bromine chloride solutions |
| 03/29/2001 | WO2001020976A1 Waste-water purification in cattle-breeding systems |
| 03/29/2001 | US20010000067 Combined hydrophobic-hydrophilic filter for fluids |
| 03/29/2001 | DE19942349A1 Reactor for investigating multiple phase catalytic reactions comprises hollow cylinder whose inner diameter and length can be varied and which has outer longitudinal grooves |
| 03/29/2001 | CA2408154A1 Water treatment system using hollow fiber membrane module |
| 03/29/2001 | CA2385382A1 Separator for liquid suspension |
| 03/29/2001 | CA2383282A1 Biocidal applications of concentrated aqueous bromine chloride solutions |
| 03/29/2001 | CA2382949A1 Process for the improvement of the water quality of maintenance waters |
| 03/29/2001 | CA2284964A1 Filter for removing fine particles |
| 03/28/2001 | EP1086929A1 Process for recycling water in a at least partially closed water cycle |
| 03/28/2001 | EP1086746A2 Electrodeionization apparatus |
| 03/28/2001 | EP1086052A1 Method for treating humid waste containing an oxidable organic material |
| 03/28/2001 | EP1086050A1 Method and apparatus for water sanitisation |
| 03/28/2001 | EP1086049A1 Apparatus and method for the production of disinfectant |
| 03/28/2001 | EP1086048A1 Decontamination of water by photolytic oxidation/reduction utilizing near blackbody radiation |
| 03/28/2001 | EP1086047A1 Device for sterilizing water which flows through a sanitation device |
| 03/28/2001 | EP1086046A1 Water treatment apparatus |
| 03/28/2001 | EP1086043A1 Waste acid recovery |
| 03/28/2001 | EP1085932A1 Device for separating two non-mixable liquids with different specific gravities |
| 03/28/2001 | EP1085827A1 Pulsed electric field treatment system |
| 03/28/2001 | EP1051355A4 An apparatus for treating a liquid |
| 03/28/2001 | CN2425338Y Small water-cooling cold water machine with cooling tower |
| 03/28/2001 | CN2425084Y Stainless steel folded plate |
| 03/28/2001 | CN1289312A Method for treating circulating water from an enamelling line |
| 03/28/2001 | CN1289311A Electrochemical device purifying water |
| 03/28/2001 | CN1289310A Water purifying means |
| 03/28/2001 | CN1289309A Water quality improver |
| 03/28/2001 | CN1289308A An apparatus for treating a liquid |
| 03/28/2001 | CN1289264A Coagulating/condensing device and method |
| 03/28/2001 | CN1288862A Microecological water preparing equipment |
| 03/27/2001 | US6207177 Stable, gel-like slurry |
| 03/27/2001 | US6207074 Quickly dissolving chlorine release mixture for shock treatment of a substantial body of water comprising dry trichloroisocyanuric acid particles, dry water soluble surfactant particles, water soluble bulking agent |
| 03/27/2001 | US6207073 Comprising a metal, a sulfur-containing compound, and an alcohol |
| 03/27/2001 | US6207064 Injecting ozone and water mixture into enclosed space through inlet and tangential to central axis to impart turbulence and swirling motion that continuously agitates and churns ozone and water contained within said enclosure |
| 03/27/2001 | US6207062 Comprising separation of a liquid phase and of a solid phase dispersed in liquid phase and adding chemical conditioning reagents and optionally of antifoaming agents, and injecting carbon dioxide |
| 03/27/2001 | US6207061 Method and device for filtering of hydrocarbon contaminated water by means of hydrocarbons |
| 03/27/2001 | US6207060 Method for treating water to be provided to an animal |
| 03/27/2001 | US6207059 Process for treating wastewater |
| 03/27/2001 | US6207058 Recovery and reuse of nonionic surfactants from aqueous solutions |
| 03/27/2001 | US6207048 Water treatment kit |
| 03/27/2001 | US6207047 Wastewater treatment system |
| 03/27/2001 | US6207039 Charging solution containing onium compound to electrochemical cell comprising at least two compartments, one comprising ion exchange material, cathode, anode, divider, passing current through cell to produce onium salt, recovering salt |
| 03/27/2001 | US6207015 Process for recovering raw materials from paper industry mechanical waste sludge |
| 03/27/2001 | US6206042 Modular control apparatus for water treatment system |
| 03/27/2001 | CA2181166C Process for the treatment of metal-containing water and recovery of metals therefrom |
| 03/27/2001 | CA2175937C Thermal treatment for removal of contaminants from aqueous streams |
| 03/22/2001 | WO2001020060A1 Apparatus and methods for electrodeionization of water |
| 03/22/2001 | WO2001019957A2 System and method of controlling microorganism and biofilms |
| 03/22/2001 | WO2001019737A1 A method and system for controlling biofilm |
| 03/22/2001 | WO2001019736A1 Water-treatment system for heating, ventilation and air conditioning system |
| 03/22/2001 | WO2001019735A1 Device and method for treating liquid manure |
| 03/22/2001 | WO2001019734A1 Water treatment apparatus |
| 03/22/2001 | WO2001019733A1 A water filter cartridge |
| 03/22/2001 | WO2001019489A1 Thickening of a suspension or slurry |
| 03/22/2001 | WO2001019412A1 Device for the thermal sterilization of liquids |
| 03/22/2001 | WO2000006499A9 Point-of-use water treatment system |
| 03/22/2001 | DE20022141U1 Wool-like product from plant, lichen and/or animal tissue is useful e.g. as filter, sorbent, chemical reagent or substrate, e.g. for flavoring, flavor enhancer or aroma in food or animal feed |
| 03/22/2001 | DE19944800A1 Wasserbehandlungsmittel zur Verlängerung der Wasserwechselintervalle in Hälterungssystemen Water treatment agent to extend the water drain intervals in maintenance systems |
| 03/22/2001 | DE19944110A1 Dewatering of suspensions which are weak in shear, employs screw press operated at high speed in cross flow filtration to prevent filter cake formation, with solidification only at outlet |
| 03/22/2001 | CA2384409A1 Device and method for treating liquid manure |
| 03/21/2001 | EP1085527A2 Treatment process for removing radioactive thorium from solvent extraction liquid effluent |
| 03/21/2001 | EP1085033A2 Salts of polyaspartic acid by high temperature reaction |
| 03/21/2001 | EP1084993A1 Device for processing manure |
| 03/21/2001 | EP1084264A1 Electrodialysis methods for purification and recovery of gluconic acid derivatives |
| 03/21/2001 | EP1084097A1 Method for recovering fluorinated alkanoic acids from waste waters |
| 03/21/2001 | EP1084083A2 Filtering plant for waste water |
| 03/21/2001 | EP1084082A2 Method for cleaning waste water from the production of agar-agar |
| 03/21/2001 | EP1084081A1 Electrochemical device for purifying water |
| 03/21/2001 | EP1084080A1 Method for preventing replication in cryptosporidium parvum using ultraviolet light |
| 03/21/2001 | EP1084079A1 Inclusion methods for purifying a solvent |
| 03/21/2001 | EP1084078A2 Method for removing nitrate ions from a solution |
| 03/21/2001 | EP1084002A1 Method and system for cleaning semiconductor elements |
| 03/21/2001 | EP1083943A1 Circuit for operating a uv-lamp in a degerminating reactor |
| 03/21/2001 | EP1083942A1 Method and device for sterilizing and dispensing a liquid for medical purposes |
| 03/21/2001 | EP1083941A1 Method and device for sterilizing and dispensing a liquid for medical purposes |
| 03/21/2001 | EP1083940A1 Method and device for sterilising and dispensing a liquid for medical use |
| 03/21/2001 | EP1083794A1 Concentrated aqueous bromine solutions and their preparation |
| 03/21/2001 | EP0914203B1 A method and a reactor for electrochemical conversion of a material e.g. soot particles being insoluble in a fluid |
| 03/21/2001 | EP0830388A4 Ion exchange polymers for anion separations |
| 03/21/2001 | CN2424199Y Water storage high performance purifier |
| 03/21/2001 | CN2424198Y Electronic water purifying descaler |
| 03/21/2001 | CN2424197Y 滤水器 Water Filters |
| 03/21/2001 | CN2424196Y Speed variable effeciency purifier |
| 03/21/2001 | CN2424195Y Oil isolation pond for primary treating waste water contg. oil |
| 03/21/2001 | CN2424194Y Side filtering water treatment appts. |
| 03/21/2001 | CN2424193Y Controller for water treatment medicament |
| 03/21/2001 | CN1288135A Full automatic cold and hot mineral water machine |
| 03/21/2001 | CN1287975A Health-care stone |
| 03/21/2001 | CN1287887A Prepn. art and application of monodisperse ion exchange agent contg. chelate functional group |
| 03/21/2001 | CN1063407C Method for treatment for waste acid liquid containing copper in the production of gluside and sodium saccharin |
| 03/20/2001 | US6204428 Electrochemical membrane incinerator |
| 03/20/2001 | US6203821 Active water |
| 03/20/2001 | US6203722 For treatment of biological solids in sewage |
| 03/20/2001 | US6203711 Contacting aqueous fluid having suspended particles with anionic silica-based colloid and polymer selected from cationic organic polymer, an amphoteric organic polymer, and mixtures to produce flocculated material including particles |
| 03/20/2001 | US6203710 Liquid decontamination method and apparatus |
| 03/20/2001 | US6203709 For removing oxyanionic contaminants, such as arsenate (as(v)) and selenite (se(iv)), from polluted water |
| 03/20/2001 | US6203705 Adjusting ph of waste water to be acidic; filtering through membrane; feeding permeate through ion exchange column; feeding acidic waste water thorugh concentration tank; recycling solids; washing slugde; filtration; recycling |
| 03/20/2001 | US6203700 Process for treating metal-containing acid water |
| 03/20/2001 | US6203697 Modular multi-stage water filter apparatus |