| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 12/30/1998 | CN2301929Y Refrigerating and heating mineral spring pot with ice box |
| 12/30/1998 | CN1203198A Method for treating waste liquid of alcohol by using hot fume from boiler |
| 12/30/1998 | CN1203197A Waste water treatment method for removing nitrogen and phosphorus and plant thereof |
| 12/30/1998 | CN1203196A Method for preparing ferric polysulfate solutions |
| 12/29/1998 | US5854169 Photocatalyst-binder compositions |
| 12/29/1998 | US5854059 Biodegradation of an organic compound and process for upgrading the environment by removing the aforesaid compound |
| 12/29/1998 | US5853676 UV spa and pool sanitizing device |
| 12/29/1998 | US5853598 Process for treating waste water of flue gas desulfurization |
| 12/29/1998 | US5853596 Method for reducing chemical oxygen demand of water containing organic material emulsified by a surfactant |
| 12/29/1998 | US5853593 Filtration method for metal working waste water |
| 12/29/1998 | US5853592 Method of removing water soluble organics from oil process water with an organic acid and a mineral acid having a plurality of pKa's |
| 12/29/1998 | US5853576 Phytorecovery of metals using seedlings |
| 12/29/1998 | US5853574 Method of disinfecting water with iodine species |
| 12/29/1998 | US5853573 Groundwater total cyanide treatment apparatus |
| 12/29/1998 | US5853572 Home water purification system |
| 12/29/1998 | US5853562 Method and apparatus for electrolyzing water |
| 12/29/1998 | US5853549 Desalination of seawater by evaporation in a multi-stack array of vertical tube bundles, with waste heat. |
| 12/29/1998 | US5853494 Method for automatic washing of vehicles |
| 12/29/1998 | US5853457 Filter material and process for removing ozone from gases and liquids |
| 12/29/1998 | US5853034 Dispensing system and method for dispensing a concentrated product and container for use therewith |
| 12/29/1998 | US5853014 PC apparatus for cleaning |
| 12/29/1998 | CA2095199C Process for removing oxidizable substance or reducible substance, composite containing metal oxide or hydroxide, and process for production thereof |
| 12/29/1998 | CA2085278C Improved water treatment system |
| 12/29/1998 | CA2048047C Succinoglycane composition |
| 12/29/1998 | CA2043162C Installation for the treatment of flows of liquids with monophase contactor and recirculating-degassing device for such an installation |
| 12/24/1998 | DE19823490A1 Waste water collection and disposal system for use in light-density especially rural settlement |
| 12/24/1998 | DE19726688A1 Enriched mineral water and alcohol-free beer |
| 12/23/1998 | WO1998058136A1 Method of controlling the amount of sanitizing agent in an aqueous medium |
| 12/23/1998 | WO1998058090A2 A method and a device for recovering metals comprising dissolving, concentrating and electrowinning means with rotatable cathode |
| 12/23/1998 | WO1998058075A2 Homoserine lactones biofilm regulating compounds and their methods of use |
| 12/23/1998 | WO1998057898A1 A process and a plant for treatment of landfill leachates |
| 12/23/1998 | WO1998057897A1 Oxygenated water cooler |
| 12/23/1998 | WO1998057896A1 Installation for producing ozonized water |
| 12/23/1998 | WO1998057895A1 Oxidation method, nozzle system and sewage treatment plant |
| 12/23/1998 | WO1998057894A1 Method for treating waste water containing nitrate ions |
| 12/23/1998 | WO1998057893A1 Immobilization of inorganic arsenic species using iron |
| 12/23/1998 | WO1998057892A1 Water treatment process |
| 12/23/1998 | WO1998057891A1 Water evaporation apparatus |
| 12/23/1998 | WO1998057846A1 Irrigation type oil skimmer and method for skimming oil |
| 12/23/1998 | WO1998057726A1 Antimicrobial filter cartridge |
| 12/23/1998 | WO1998057618A1 Methods and compositions for controlling biofilm development |
| 12/23/1998 | WO1998057546A1 Methods of using electrically treated liquids |
| 12/23/1998 | EP0885986A2 Electrolysis apparatus with monitoring device |
| 12/23/1998 | EP0885850A1 Process for controlling and regulating the pressure drop in a biological filter and plant for carrying out the process |
| 12/23/1998 | EP0885849A1 Method for sterilising water and device for realising the same |
| 12/23/1998 | EP0885848A1 Method for the electro-chemical treatment of aqueous solutions and device for realising the same |
| 12/23/1998 | EP0885847A1 Process for the treatment of waste water |
| 12/23/1998 | EP0885846A1 Method for preparing ferric polysulfate solutions |
| 12/23/1998 | EP0885171A1 A device for creation of an oxidation and precipitation zone or a reduction zone in an aquifer |
| 12/23/1998 | EP0885062A1 Continuous process and apparatus for generation of ozone for industrial application |
| 12/23/1998 | EP0885045A1 Pelletized composition for treatment of storm water runoff |
| 12/23/1998 | EP0779829B1 Process and device for desalinating sea water |
| 12/23/1998 | EP0777629B1 Method and apparatus for the purification of gases and liquids |
| 12/23/1998 | EP0703874B1 Method for the treatment of water treatment sludge |
| 12/23/1998 | CN2301442Y High-efficiency field water purifier |
| 12/23/1998 | CN2301441Y Double ion water producer |
| 12/23/1998 | CN2301249Y Water purifying apparatus |
| 12/23/1998 | CN2301248Y Wall-hung high-efficiency water purifier |
| 12/23/1998 | CN1202876A Method for pretreating raw water |
| 12/23/1998 | CN1202875A Liquid sterilisation apparatus |
| 12/23/1998 | CN1202872A Salt extraction process and device |
| 12/23/1998 | CN1202466A Complex treatment process for waste water of paper making ammonium salt process |
| 12/23/1998 | CA2294275A1 Water evaporation apparatus |
| 12/23/1998 | CA2294092A1 Oxygenated water cooler |
| 12/23/1998 | CA2293656A1 Immobilization of inorganic arsenic species using iron |
| 12/23/1998 | CA2289561A1 Installation for producing ozonized water |
| 12/22/1998 | US5852064 Foamed and cross-linked phenolic resin and method for making same |
| 12/22/1998 | US5851434 Ketone-based surfactant and method for treating industrial, commercial, and institutional waste-water |
| 12/22/1998 | US5851433 Method of and composition for breaking oil and water emulsions in crude oil processing operations |
| 12/22/1998 | US5851408 Elimination and inhibition of bivalve mollusk attachments |
| 12/22/1998 | US5851407 Process and apparatus for oxidation of contaminants in water |
| 12/22/1998 | US5851406 Process for preventing the degradation of water soluble packaging films by halogenated hydantoins or chlorinated cyanuric acid and apparatus for disinfecting a water system |
| 12/22/1998 | US5851399 Process and arrangement for biodegrading pollutants in water |
| 12/22/1998 | US5851388 Water purifier with sterilizing device |
| 12/22/1998 | US5851375 Apparatus for disinfecting fluids |
| 12/22/1998 | US5851372 Process for demineralizing a liquid containing organic matter and salts in solution |
| 12/17/1998 | WO1998057153A1 Solid-state fluorometer and methods of use therefor |
| 12/17/1998 | WO1998056964A1 Method for treating an electrolyte used for electrophoretic painting |
| 12/17/1998 | WO1998056721A1 Methods for treating regulated waters with low levels of oxidizing halogens and hydrogen peroxides |
| 12/17/1998 | WO1998056720A1 Device for the electrochemical treatment of water or waste water by electroflocculation |
| 12/17/1998 | WO1998056716A1 Polysilicate microgels and silica-based materials |
| 12/17/1998 | WO1998056715A1 Polysilicate microgels |
| 12/17/1998 | WO1998056659A1 Ozone disinfected water delivery system and method |
| 12/17/1998 | WO1998056481A1 A method for separating water soluble organics from a process stream by aqueous biphasic extraction |
| 12/17/1998 | WO1998056480A1 Freeze-concentrating apparatus for aqueous solutions, ice pillar producing apparatus, and freeze-concentrating method for aqueous solutions |
| 12/17/1998 | WO1998056479A1 Method and apparatus for reducing reabsorption of vapors and gases |
| 12/17/1998 | WO1998038222A3 Cyclodextrin modifications with molecular channels, method for the production and use thereof |
| 12/17/1998 | DE19724827A1 Water plant to purify bath water for use in flushing toilets |
| 12/17/1998 | DE19724547A1 Ozone disinfection of bromide-containing bath water |
| 12/17/1998 | DE19724515A1 Purification of water contaminated with ammonia |
| 12/17/1998 | CA2294640A1 Freeze-concentrating apparatus for aqueous solutions, ice pillar producing apparatus, and freeze-concentrating method for aqueous solutions |
| 12/17/1998 | CA2293557A1 Methods for treating regulated waters with low levels of oxidizing halogens and hydrogen peroxides |
| 12/17/1998 | CA2293394A1 Method and apparatus for reducing reabsorption of vapors and gases |
| 12/16/1998 | EP0883571A1 Concentration of waterborne pathogenic organisms |
| 12/16/1998 | EP0819101B1 Plant and process for oxidizing an aqueous medium |
| 12/16/1998 | EP0789673B1 Methods of coagulating and decolorizing waste streams |
| 12/16/1998 | EP0715604B1 Method for recovering at least one metal from an acidified waste water sludge |
| 12/16/1998 | EP0665819B1 Odour controlled waste water treatment system |
| 12/16/1998 | CN2300646Y Water mangetization device |
| 12/16/1998 | CN2300645Y Pipe line adsorption type water magnetization device |