| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 08/30/1994 | US5342525 Clean-up of natural bodies of water through the use of flocculation-microorganism composition including amine-substituted clay flocculation agents |
| 08/30/1994 | US5342518 Filtration system and mount for beverage dispensers and automatic beverage brewing machines |
| 08/30/1994 | US5342510 Automatically controlling scale |
| 08/30/1994 | CA1331722C Separation process |
| 08/26/1994 | CA2116509A1 Biomass growth control apparatus for fluid bed biological reactor |
| 08/25/1994 | DE4241328C1 Process for recovering pure lignin derivatives from sludges |
| 08/24/1994 | EP0611595A1 Process for water desalinization |
| 08/24/1994 | EP0611401A1 Electrochemical cell |
| 08/24/1994 | CN2175374Y Multi-function device for quickly heating drinking water |
| 08/24/1994 | CN2175225Y Combination type equipment for removing oil |
| 08/24/1994 | CN2175224Y Multi-purpose device for purifying drinking water of pen-shaped |
| 08/24/1994 | CN2175223Y Domestic mineralization water appliance |
| 08/24/1994 | CN2175026Y Equipment for dirt collection, oil remove and dewatering |
| 08/24/1994 | CN2174920Y Trace elements mineralization cup |
| 08/24/1994 | CN1091113A Method for preparation of purified, softened, activated and polarized water and its application |
| 08/24/1994 | CN1025729C Mixing-ultra filtering method treating system for cotton size black fluid |
| 08/24/1994 | CN1025728C Basic aluminum chloride purified agent made by waste catalyzer |
| 08/23/1994 | US5340865 Cross-linked cationic polyermic microparticles |
| 08/23/1994 | US5340478 Dual chamber water filter |
| 08/23/1994 | US5340472 Apparatus for processing wastes from the machining of ferromagnetic materials |
| 08/23/1994 | US5340468 System for controlling addition of lime to reduce water alkalinity |
| 08/23/1994 | US5340458 Producing both alkali ion and acid ion water |
| 08/23/1994 | US5340443 Distillation apparatus with paired membrane units |
| 08/23/1994 | US5340440 Method for recovering chemicals using recovery boiler having at least 2 different melt sections |
| 08/23/1994 | US5339889 Controlled biocide feeder for cooling water systems |
| 08/23/1994 | US5339621 Waste treatment system and method utilizing pressurized fluid |
| 08/23/1994 | CA1331579C System for electrolytic treatment of liquid |
| 08/18/1994 | WO1994018396A1 Method and system for remediation of groundwater contamination |
| 08/18/1994 | WO1994018395A1 Method and system for remediation of groundwater contamination |
| 08/18/1994 | WO1994018133A1 Treatment of solid and liquid effluents from tan-yards for removing and recovering the chromium contained in the effluents |
| 08/18/1994 | WO1994018131A1 Reactor for biological sewage purification |
| 08/18/1994 | WO1994018128A1 Supercritical oxidation reactor apparatus and method |
| 08/18/1994 | WO1994018127A1 Pure water manufacturing method |
| 08/18/1994 | WO1994018126A1 Process for removing heavy metal ions from water |
| 08/18/1994 | WO1994018125A1 Removing polyvalent metals from aqueous waste streams with chitosan and halogenating agents |
| 08/18/1994 | WO1994018124A1 A device for magnetic treatment of liquids |
| 08/18/1994 | WO1994018121A1 Amorphous silica, its preparation and uses |
| 08/18/1994 | WO1994017920A1 Method and apparatus for separation by flotation |
| 08/18/1994 | WO1994017895A1 Process and apparatus for controlling the dewatering of suspensions |
| 08/18/1994 | WO1994017891A1 Induced ionic reaction device with radial flow |
| 08/18/1994 | WO1994017666A1 A method for controlling macroinvertebrates |
| 08/18/1994 | DE4324502A1 Oxidatives Abfallbehandlungsverfahren Oxidative waste treatment processes |
| 08/18/1994 | DE4318549C1 Process and plant for purifying alkaline process condensate wastewater |
| 08/18/1994 | DE4304465A1 Process for removing oxygen dissolved in water, in particular in water-bearing closed systems |
| 08/18/1994 | DE4304444A1 Device for treating liquids and/or gases with ultraviolet radiation |
| 08/18/1994 | DE4304143A1 Process for purifying waste air, in particular from cellulose staple fibre works, by recovery of CS2 and H2S |
| 08/18/1994 | CA2155198A1 Method and apparatus for separation by flotation |
| 08/17/1994 | EP0611153A2 UV bulb intensity control for water treatment system |
| 08/17/1994 | EP0610955A2 Quaternized aminomethyl acrylamide polymermicroemulsions, methods of producing and use of same |
| 08/17/1994 | EP0610860A2 Monitoring hydraulic characteristics of raw and waste water treatment operations |
| 08/17/1994 | EP0610723A1 Device for the treatment of a liquid and process for enhancing life of such a device |
| 08/17/1994 | EP0610505A1 Wash waste liquid regenerating method, wash waste liquid regenerating apparatus, washing method and washing apparatus |
| 08/17/1994 | CN2174474Y Movable treating machine for waste water |
| 08/17/1994 | CN2174473Y Water-purifier |
| 08/17/1994 | CN2174472Y Ionic composite water purifier |
| 08/17/1994 | CN2174471Y Water-cleansing device |
| 08/17/1994 | CN2174470Y Mineralized micro-water purifier |
| 08/17/1994 | CN2174469Y Multi-function ultrafiltration aseptic water drinking device |
| 08/17/1994 | CN2174116Y Mineralized purified water electric heating cup for |
| 08/17/1994 | CN2174115Y Multi-function tea cup |
| 08/17/1994 | CN1025670C Method for treating veavy metal in waste water using disulfo-amino like chelating agent |
| 08/16/1994 | US5338816 Treating paper mill waste water with a copolymer of diallyldimethylammonium chloride and a hydrophobic quaternized dimethylaminoethyl(meth)acrylate |
| 08/16/1994 | US5338553 Process of treating water containing effluent from cheese-making operations |
| 08/16/1994 | US5338463 Wastewater treatment by catalytic oxidation |
| 08/16/1994 | US5338461 Using mixture of a halogen releasing compound and lazurite |
| 08/16/1994 | US5338460 Sulfide precipitation of heavy metals from aqueous solutions |
| 08/16/1994 | US5338459 Muddy and waste water treatment method |
| 08/16/1994 | US5338458 Method for removing chloramine with catalytic carbon |
| 08/16/1994 | US5338457 Removal of aluminum and sulfate ions from aqueous solutions |
| 08/16/1994 | US5338456 Water purification system and method |
| 08/16/1994 | US5338447 Bioreactor |
| 08/16/1994 | US5338351 Ink composition and method of making, using and recovering such composition |
| 08/13/1994 | CA2115412A1 Quaternized tertiary aminomethyl acrylamide polymer microemulsions with improved performance |
| 08/11/1994 | DE4305227C1 Device for disinfecting flowing media |
| 08/10/1994 | EP0610142A1 Magnetic device for the treatment of calcium bicarbonate containing water in conduits |
| 08/10/1994 | EP0609896A1 Floating water purification device and water purification method |
| 08/10/1994 | EP0609769A2 Method and apparatus for recycling wash water in photographic processing |
| 08/10/1994 | EP0609702A1 Method of and apparatus for reducing iron fouling in groundwater treatment system |
| 08/10/1994 | EP0609687A1 Precipitant for heavy metal precipitation |
| 08/10/1994 | EP0609636A1 Improvements introduced into magnetic conditioners for treating liquids |
| 08/10/1994 | EP0609614A1 Raw sewage disposal apparatus |
| 08/10/1994 | EP0609224A1 Rotary flow control valve |
| 08/10/1994 | EP0575456B1 Method for the treatment of sewage of animal breeding |
| 08/10/1994 | EP0550455B1 Process for purifying water |
| 08/10/1994 | EP0506904B1 Device for eliminating chlorinated hydrocarbons and aromatic organic compounds from water |
| 08/10/1994 | EP0497812B1 A process of combatting microorganisms |
| 08/10/1994 | EP0480055B1 Method of purifying lacustrine water and filthy water purification boat |
| 08/10/1994 | EP0431030B1 A distillation apparatus |
| 08/10/1994 | CN2173783Y Sunk household drinking water defluorinating device |
| 08/10/1994 | CN2173782Y Triple circular-flow coagulant sedimentation water treatment apparatus |
| 08/10/1994 | CN2173781Y Electro-magnetic supersonic scale preventing and descaling device |
| 08/10/1994 | CN2173780Y Bidirectional dish water filter |
| 08/10/1994 | CN2173779Y Gravity discharge and backflow type sewage treatment device |
| 08/10/1994 | CN2173646Y 净水器 Water Purifier |
| 08/10/1994 | CN2173570Y Button automatic opening and closing magnetic vacuum flask |
| 08/10/1994 | CN2173555Y Chinese medicine stone mineralized water cup and pot |
| 08/10/1994 | CN2173553Y Multielement magnetic heat insulation cup |
| 08/10/1994 | CN1090555A Technology for producing poly aluminum chloride flocculant |
| 08/10/1994 | CN1090554A Method and apparatus for filtration |
| 08/09/1994 | US5336431 Composition and method for sulfide control |