| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 04/03/1997 | WO1997011910A1 Methods and compositions for controlling biofouling using amides |
| 04/03/1997 | WO1997011909A1 Methods and compositions for controlling biofouling using n-alkyl heterocyclic compounds |
| 04/03/1997 | WO1997011908A2 Process and device for treating water contaminated with micro-organisms and/or harmful pollutants |
| 04/03/1997 | WO1997011603A1 Methods and compositions for controlling biofouling using oxime esters |
| 04/03/1997 | DE19639444A1 Removal of selenium from effluent by adding reducing and neutralising agents |
| 04/03/1997 | DE19535928A1 Treating liq. or sludge contg. organic components |
| 04/02/1997 | EP0765844A1 Colloidal silica/polyelectrolyte blends for natural water clarification |
| 04/02/1997 | EP0765843A1 Deactivating or destroying microorganisms by an electrical charge |
| 04/02/1997 | EP0765842A1 Process for the removal of heavy metals from aqueous systems using organoclays |
| 04/02/1997 | EP0765840A1 Surface hydrophobic active carbon and method for production thereof |
| 04/02/1997 | EP0765332A1 Process for removing waste pox alendronate and its by-products |
| 04/02/1997 | EP0765292A1 Process for clarifying milkhouse wastewater |
| 04/02/1997 | EP0708739A4 Oil-based fluid absorbent article, method and apparatus |
| 04/02/1997 | EP0625135B1 Method of purifying glycerin water |
| 04/02/1997 | CN2250950Y Water flow circulation device with ozone sterilizing function |
| 04/02/1997 | CN2250949Y Combined equipment for softening hard water |
| 04/02/1997 | CN2250948Y Circulation purifying reservoir |
| 04/02/1997 | CN2250947Y 净水器 Water Purifier |
| 04/02/1997 | CN2250946Y Solar salt water desalination device |
| 04/02/1997 | CN2250945Y Water purifier with front-located filtering back-flushing and residual water draining device |
| 04/02/1997 | CN2250698Y Magnetizing warm-water bottle |
| 04/02/1997 | CN1146493A Treating method and device for deposited anode mud in electroplate solution cantaining halogen ions |
| 04/02/1997 | CN1146489A Process for deactivating or destroying microorganisms |
| 04/02/1997 | CN1146431A Treatment method for sewage of lime ryegrass pulping and paper making of caustic soda method |
| 04/02/1997 | CN1146429A Method for continuous refining of quartz powder |
| 04/02/1997 | CN1034411C Process for recovering thiocyanate |
| 04/01/1997 | US5616532 Photocatalyst-binder compositions |
| 04/01/1997 | US5616283 High solids lime as a caustic replacement |
| 04/01/1997 | US5616253 Trichloroethylene; water pollution control |
| 04/01/1997 | US5616252 Water treatment process for nitrate removal |
| 04/01/1997 | US5616251 Methods to prevent and treat acid mine drainage and to remove metals and non-metals from aqueous sources |
| 04/01/1997 | US5616250 Through mixing of liquid stream and ionized gas in an intermediate tube by applying electromagnetic waves causing a spiral flow pattern; water treatment; efficiency |
| 04/01/1997 | US5616243 Filter for inverted bottle type water dispenser |
| 04/01/1997 | US5616240 Device for sewage clarification |
| 04/01/1997 | US5616234 Electrochemistry |
| 04/01/1997 | US5616221 Electrolytic ionized water producing apparatus |
| 04/01/1997 | US5616151 Acidification |
| 04/01/1997 | US5615974 Process for soil decontamination by oxidation and vacuum extraction |
| 04/01/1997 | US5615862 Metal precipitation composition for treating spent dry film stripping solution |
| 04/01/1997 | US5615764 Electrolytic ionized water producer |
| 04/01/1997 | CA2040867C Reduction of halogenated organic compounds in spent bleach liquor |
| 03/29/1997 | CA2186689A1 Colloidal silica/polyelectrolyte blends for natural water clarification |
| 03/27/1997 | WO1997011471A1 Apparatus for increasing magnetic flux density of permanent magnet |
| 03/27/1997 | WO1997011029A2 Polyaluminum chlorides and polyaluminum chlorosulfates methods and compositions |
| 03/27/1997 | WO1997010885A1 Component separation system including condensing mechanism |
| 03/27/1997 | DE19647378A1 Process for improving a vapourisation technique |
| 03/27/1997 | DE19638414A1 Treating waste water |
| 03/27/1997 | DE19535682A1 Treatment of fluids, esp. water by electromagnetic field with constant and oscillating components |
| 03/27/1997 | CA2230709A1 Component separation system including condensing mechanism |
| 03/26/1997 | EP0764840A1 Arrangement for measuring chlorine in swimming/bathing pools |
| 03/26/1997 | EP0764613A2 Process and plant for purification of municipal and domestic waste water |
| 03/26/1997 | EP0764610A1 Plant and process for desalting marine water by reverse osmosis, by means of hydrostatic pressure |
| 03/26/1997 | EP0764140A1 Dewatering of suspensions |
| 03/26/1997 | EP0764042A1 Fluid extraction |
| 03/26/1997 | EP0743924A4 Electrocatalytic dissolved oxygen generator for water processing |
| 03/26/1997 | EP0705220B1 Device and process for optimizing the intensity of radiation directed onto sewage and waste water |
| 03/26/1997 | EP0696259A4 Process and apparatus for the treatment of waste water |
| 03/26/1997 | EP0680457B1 Fluid treatment device and method |
| 03/26/1997 | EP0646051A4 Treatment of waste materials for disposal. |
| 03/26/1997 | CN2250456Y Filter magnetizing water tap |
| 03/26/1997 | CN2250355Y Portable pure water supply device |
| 03/26/1997 | CN2250354Y Household water purifying device |
| 03/26/1997 | CN2250353Y Pressure water supply tank |
| 03/26/1997 | CN2250352Y Biological film purifying device |
| 03/26/1997 | CN2250350Y Fluid magnetic treatment compensating device |
| 03/26/1997 | CN2250349Y Water purifying device |
| 03/26/1997 | CN1145889A Aqueous suspension of silicon dioxide, aluminum sulfate or white alum, its prepn. and application |
| 03/26/1997 | CN1145880A Waste-water treating process for synthetic rubber production |
| 03/25/1997 | US5614723 Apparatus for treating fluids with ultraviolet radiation |
| 03/25/1997 | US5614616 Process for the production of polysaccharides |
| 03/25/1997 | US5614602 Addition polymerization of cationic monomers, used to dewater sludge and in paper retention |
| 03/25/1997 | US5614528 Compositions and methods for inhibiting the formation of chloramines and trihalomethanes in aqueous media |
| 03/25/1997 | US5614458 Sludge and cellulose pieces, hydrophobic agent is wax |
| 03/25/1997 | US5614161 Contains phosphorus, detergent use, high calcium binding power |
| 03/25/1997 | US5614151 Electrodeless sterilizer using ultraviolet and/or ozone |
| 03/25/1997 | US5614107 Method of freeze drying sewage sludge |
| 03/25/1997 | US5614103 Tannin-acrylic copolymer, aluminum chlorohydrate |
| 03/25/1997 | US5614102 Method for purifying sewage |
| 03/25/1997 | US5614100 Method for water remediation |
| 03/25/1997 | US5614088 Cleaning water production system |
| 03/25/1997 | US5614087 Wet oxidation system |
| 03/25/1997 | US5614086 Method and apparatus for removing contaminants from a water supply |
| 03/25/1997 | US5614078 Method and apparatus for removing nitrates from water |
| 03/25/1997 | US5614077 Electrochemical system and method for the removal of charged species from contaminated liquid and solid wastes |
| 03/25/1997 | US5614068 Water purifier |
| 03/25/1997 | US5614067 Leaching device for electrolyzed silver |
| 03/25/1997 | US5614066 Water distillation apparatus |
| 03/22/1997 | CA2183929A1 Grit removal and physicotechnical sedimentation process and plant for sewage or industrial effluents |
| 03/22/1997 | CA2160401A1 Stabilization of catalyzed aqueous sulfite and bisulfite ion solutions |
| 03/20/1997 | WO1997010181A1 Selective separation at supercritical water conditions |
| 03/20/1997 | WO1997010047A1 Method and device for removing iron from aqueous liquids |
| 03/20/1997 | WO1997010046A1 Hollow yarn membrane integrating module |
| 03/20/1997 | WO1997010030A1 Hydrous pyrolysis/oxidation process for in situ destruction of hydrocarbon contaminants |
| 03/20/1997 | WO1997003111A3 Solid polymeric products and their use |
| 03/20/1997 | DE19637711A1 Magnetic separator assembly |
| 03/20/1997 | DE19603884C1 Water treatment unit to produce filtered potable water |
| 03/20/1997 | DE19534736A1 Electrolytic cell with opt. ultrasound unit |
| 03/20/1997 | DE19534454A1 Hand-held water purification assembly fabricated from perforated plastic foil |
| 03/20/1997 | DE19534102A1 Regeneratable water filtration unit |
| 03/20/1997 | DE19533994A1 Cleaning agents etc. which undergo microbial decomposition under anaerobic conditions |