| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/08/2003 | CN2529865Y Double-potential water treatment appts. |
| 01/08/2003 | CN2529864Y Convenient reversely-washing graded water feeding and purifier |
| 01/08/2003 | CN2529863Y Fine treatment and separating installation of condensate |
| 01/08/2003 | CN2529862Y Oil and sewage purifying appts. |
| 01/08/2003 | CN2529861Y 净水器 Water Purifier |
| 01/08/2003 | CN2529860Y Water purifier |
| 01/08/2003 | CN2529859Y Pressure pot-peripheral pump airfloat machine |
| 01/08/2003 | CN2529858Y Integrated multi-chamber medicinal liquid feeder |
| 01/08/2003 | CN2529857Y Appts. utilizing ground for treatment sewage |
| 01/08/2003 | CN2529649Y Water saving and electricity saving appts. for intelligent water treatment system |
| 01/08/2003 | CN1390184A Production method of ultrafine gold particle-dissolved water and device therefor |
| 01/08/2003 | CN1390151A Separator for liquid suspension |
| 01/08/2003 | CN1389502A Heavy metal chelant composite containing chitosan derivative |
| 01/08/2003 | CN1389411A Oxygen purifying agent and chemical agent for boiler water treatment |
| 01/08/2003 | CN1389407A Solid ferric silicosulfate polymer and its production process |
| 01/08/2003 | CN1389296A Weak-acid cation exchange resin preparation |
| 01/08/2003 | CN1389120A Compound germicide and its prepn. |
| 01/08/2003 | CN1389097A Dry water and its application |
| 01/08/2003 | CN1098218C Method of operating sequencing batch reactor |
| 01/08/2003 | CN1098217C Apparatus and method for treatment of waste water and/or exhaust gases containing fluorine and surface active agents |
| 01/08/2003 | CN1098216C Process for removing polluting material from water or wet solid matter |
| 01/07/2003 | WO2002004101A1 Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter |
| 01/07/2003 | US6503471 Process for malodorous gas treatment |
| 01/07/2003 | US6503469 Passing the polluted fluid through an adsorbing layer containing a high-silica adsorbent which adsorbs both ozone and pollutant, when pollutant comes in contact with ozone, it oxidizes and decomposes the pollutant adsorbed |
| 01/07/2003 | US6503464 Ultraviolet processing apparatus and ultraviolet processing method |
| 01/07/2003 | US6503449 Process for the control of microbial contamination in water-based solids suspensions |
| 01/07/2003 | US6503404 For treating excess wastewater from a sewer system, such as a combined sewer system or a sanitary sewer system by injecting a treating agent |
| 01/07/2003 | US6503403 Gas-liquid contact apparatus |
| 01/07/2003 | US6503402 Utilizes an apparatus for generating ozone and other atoms and molecules resulting from the bombardment of feed gas with electrons; treated feed gas is then injected, with a venturi type injector, into the water to be treated |
| 01/07/2003 | US6503401 Effluent purifying system |
| 01/07/2003 | US6503400 An anti-calcium phosphate-scaling agent consists of polyaspartic acid, and an anionic carboxylic acid polymer, solution is free of phosphonate oligomer |
| 01/07/2003 | US6503392 Distribution box for a wastewater treatment system |
| 01/07/2003 | US6503390 Filtration of hydrocarbon containing liquid |
| 01/07/2003 | CA2247409C Treatment of waste liquor in a vertical shaft bioreactor |
| 01/07/2003 | CA2144035C Removal of organics from aqueous solutions |
| 01/07/2003 | CA2135712C The synergistic activity of glutaraldehyde in the presence of oxidants |
| 01/04/2003 | CA2362005A1 Iron powder for remediation and method for remediating soil, water, or gas |
| 01/03/2003 | WO2003000957A1 Electrolyzing electrode and production method therefor and electrolysis method using electrolyzing electrode and electrolysis solution producing device |
| 01/03/2003 | WO2003000956A1 Portable device for electrochemical processing of liquids |
| 01/03/2003 | WO2003000840A2 Nitrilases |
| 01/03/2003 | WO2003000602A1 Process and plant for the recovery of phosphorous and coagulants from sludge |
| 01/03/2003 | WO2003000601A1 System for purifying waste water originating from olive processing by means of aeration, neutralisation, active carbon filtration and ozonisation |
| 01/03/2003 | WO2003000600A1 System for purifying waste water originating from dumps (leachates) by means of alkalinisation and ozonisation |
| 01/03/2003 | WO2003000599A1 Disposable cartridge for on-premises water treatment system |
| 01/03/2003 | WO2003000598A1 Method for treating an effluent, especially a radioactive effluent, containing organic matter |
| 01/03/2003 | WO2003000597A1 Method for decomposing hydrazine contained in an aqueous liquid |
| 01/03/2003 | WO2003000596A1 Magnetic liquid treatment system |
| 01/03/2003 | WO2003000595A2 Electrolysis cell for generating chlorine dioxide |
| 01/03/2003 | WO2003000594A1 Method and apparatus for treating fluid mixtures with ultrasonic energy |
| 01/03/2003 | WO2003000587A1 Active oxygen generating material |
| 01/03/2003 | WO2003000407A1 Sub-micron filter |
| 01/03/2003 | WO2003000389A2 Membrane-assisted fluid separation apparatus and method |
| 01/03/2003 | WO2003000374A1 Buoyant dispensing device |
| 01/03/2003 | WO2003000300A2 A system for microbial control of a fluid |
| 01/03/2003 | WO2003000020A2 Compositions and methods for anion adsorbent metal hydroxides |
| 01/03/2003 | WO2002096812A9 Method for removing oil, fat and grease from water |
| 01/03/2003 | WO2002085797A3 Method and device for the treatment of fluids in particular for effluent purification |
| 01/03/2003 | WO2002076890A3 Method and measuring device for automatically determining the concentration factor of conditioned sewage sludge |
| 01/03/2003 | WO2002072478A3 Ballast water treatment for exotic species control |
| 01/03/2003 | WO2002058743A3 Fluid sterilization apparatus |
| 01/03/2003 | WO2002051756A3 Method and conditioning agent for treating waste water and air pollutants |
| 01/03/2003 | WO2002005311A1 Treating apparatus utilizing ultraviolet ray |
| 01/03/2003 | CA2677781A1 Nitrilases |
| 01/03/2003 | CA2451689A1 Electrolysis cell for generating chlorine dioxide |
| 01/03/2003 | CA2451300A1 Process and plant for the recovery of phosphorous and coagulants from sludge |
| 01/03/2003 | CA2450418A1 A system for microbial control of a fluid |
| 01/03/2003 | CA2414361A1 Treating apparatus utilizing ultraviolet ray |
| 01/02/2003 | US20030004084 Gel particle for washing separation membrane module, manufacturing method thereof and washing method using the same |
| 01/02/2003 | US20030004081 Comprising a chelating agent having at least two carboxylic acid functional groups and a basic agent selected from alkali metal hydroxides; for in situ removal of silicate-containing scale from interior surfaces of boilers |
| 01/02/2003 | US20030001295 Air diffuser and flushing method thereof |
| 01/02/2003 | US20030001112 Hermetically sealed ultraviolet light source |
| 01/02/2003 | US20030000966 Method and apparatus for disinfecting a water cooler reservoir and its dispensing spigot(s) |
| 01/02/2003 | US20030000896 Apparatus and method of purifying water with ozone |
| 01/02/2003 | US20030000895 Method and apparatus for cleaning waste water |
| 01/02/2003 | US20030000884 Composite filter element |
| 01/02/2003 | US20030000881 Anti-cheating device for water filter |
| 01/02/2003 | US20030000880 Point-of-use water treatment system |
| 01/02/2003 | US20030000879 Point-of-use water treatment system |
| 01/02/2003 | US20030000878 Point-of-use water treatment system |
| 01/02/2003 | US20030000849 Guiding cooling water of cooling-water loop through a first side of an electrodialysis unit; guiding medium of concentrate loop through second side of electrodialysis unit; filtering out cationic impurities from the medium in ion exchanger |
| 01/02/2003 | EP1270518A1 Process for biological purification of municipal waste water |
| 01/02/2003 | EP1270516A1 Method for hydrolysis of biological water treatment sludge |
| 01/02/2003 | EP1270515A1 Process and device for the continuous disintegration of activated sludge |
| 01/02/2003 | EP1270513A1 Process and installation for treating a polluted aqueous liquid showing a COD value |
| 01/02/2003 | EP1270500A1 Unit for dispensing liquid food products |
| 01/02/2003 | EP1270076A1 Dewatering of wet particulate material |
| 01/02/2003 | EP1270063A2 Hollow fiber membrane contactor |
| 01/02/2003 | EP1269179A2 Monolithic sorbents with a fiber-reinforced plastic coating |
| 01/02/2003 | EP1268840A2 Thauera strain mz1t exopolysaccharides |
| 01/02/2003 | EP1268515A1 Process for preparing coagulants for water treatment |
| 01/02/2003 | EP1268350A1 Water purification system and method |
| 01/02/2003 | EP1268349A1 Improved water cleaning process |
| 01/02/2003 | EP1268348A1 Method for determining the efficiency of a liquid processing unit and device using said method |
| 01/02/2003 | EP1268183A1 Flexible graphite capacitor element |
| 01/02/2003 | EP1268029A1 Improved filtration device for a waste water treatment system |
| 01/02/2003 | EP1268027A1 Solid buoyant media induced flotation |
| 01/02/2003 | EP1268024A1 Staged heat and mass transfer applications |
| 01/02/2003 | EP1267617A2 Fungicidal method |
| 01/02/2003 | EP1086050A4 Method and apparatus for water sanitisation |
| 01/02/2003 | EP1064070B1 Solid-liquid separating equipment in particular for biological purification of waste water |