| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 02/02/1994 | CN2154873Y Magnetic spatter-proof water saving device |
| 02/02/1994 | CN2154858Y Quick magnetizing water device |
| 02/02/1994 | CN2154857Y Water magnetizing device with electric cooling and heating |
| 02/02/1994 | CN2154856Y Water treatment apparatus for prepn. of activated water |
| 02/02/1994 | CN2154855Y 净水器 Water Purifier |
| 02/02/1994 | CN2154854Y Water cleaner with spiral inner tube |
| 02/02/1994 | CN2154738Y Water pressure automatic flushing sewage filtering unit |
| 02/02/1994 | CN2154648Y Air pressure or electric feeding water thermos |
| 02/02/1994 | CN1081349A Multi-functional automatic flowing type health-care electric beating thermos with functions of purification, mineralization and magnetization |
| 02/01/1994 | US5283306 Hydrophobic polyelectrolytes used in removing color |
| 02/01/1994 | US5282979 Desalination system having rechargeable syphon conduit |
| 02/01/1994 | US5282977 Separation of heavy metals from waste water of the titanium dioxide industry |
| 02/01/1994 | US5282975 Removal of oil from water |
| 02/01/1994 | US5282974 Method for removing soluble benzene from effluent water |
| 02/01/1994 | US5282967 Using hydrogen fluoride |
| 02/01/1994 | US5282940 Method for reducing or eliminating microorganisms in substances by electric stimulation |
| 02/01/1994 | US5282780 Apparatus for separating solids/liquids mixtures with a slurry bypass |
| 02/01/1994 | US5282487 Flow control system |
| 02/01/1994 | CA1326642C Water distilling method and apparatus |
| 01/31/1994 | CA2101469A1 Use of blends of mannich acrylamide polymers and quaternary polyamines for flocculating enzyme broth streams |
| 01/29/1994 | CA2080939A1 Fluid treatment process using dynamic microfiltration and ultrafiltration |
| 01/27/1994 | DE4242517C1 Lacquering plant operating process - uses bio-reactor and membrane separator to regenerate circulated water |
| 01/27/1994 | DE4239870C1 Conversion ion exchange plant for the recovery of metals from solns. - with compressed air diaphragm pump and pump stroke counter system |
| 01/27/1994 | DE4226871C1 Water extn. system with water treatment in aquifer - allows addn. of further wells and has long service life |
| 01/27/1994 | DE4224690A1 Membrane sepn. process for solns. with temp. and/or pressure controlled recovery of solute - by cooling retentate stream to supersaturation or reduced pressure flashing |
| 01/27/1994 | DE4224604A1 Electronic prevention of calcareous deposits in water systems - by applying pulses of current between electrodes, independent of water flow rate and conductivity. |
| 01/27/1994 | DE4224445A1 Sterilisation of germ-carrying substances, esp waste water in wash basin drains - by exposing waste water to radiation from UV-light source built into drain U-bend having screened and switched UV-light source |
| 01/27/1994 | DE4224259A1 Fluid purificn. appts. - having treatment reactor with controlled ozone supply |
| 01/26/1994 | EP0580275A1 Method and apparatus for providing an ionic change in fluid |
| 01/26/1994 | EP0579721A1 Zirconium oxide ceramics for surfaces exposed to high temperature water oxidation environments |
| 01/26/1994 | EP0513306B1 Method for removing ammonia from effluents |
| 01/26/1994 | EP0508986B1 Process for purifying organically polluted waste water |
| 01/26/1994 | EP0338056B1 Apparatus for prevention of the occurence or proliferation of microorganisms in water for industrial use |
| 01/26/1994 | CN2154434Y Automatic water boiling apparatus |
| 01/26/1994 | CN2154262Y Eliminating device for trace organic compound on drinking water |
| 01/26/1994 | CN2154261Y Efficiente strong fluid magnetizer |
| 01/26/1994 | CN2154260Y Water treatment device with electronic anti-filth and filth-eliminate |
| 01/26/1994 | CN2154259Y Thermal magnetizer using magnetic pole and ordinary magnetizer |
| 01/26/1994 | CN2154258Y Air-float water clarifier |
| 01/26/1994 | CN2154257Y Moving magnetization and mineralization drinker |
| 01/26/1994 | CN2154256Y Magnetization and mineralization screen filter |
| 01/26/1994 | CN2154255Y Healthy, purifying device for drinking water |
| 01/26/1994 | CN2154078Y Magnet stick structure |
| 01/26/1994 | CN2153979Y Magnetization mineral water cup |
| 01/26/1994 | CN1081160A Efficient adsorptional water treating agent |
| 01/26/1994 | CN1081066A Production method of xiabao |
| 01/26/1994 | CN1023594C Water purification equipment and use |
| 01/25/1994 | US5281537 Adding nutrient to sample slipstream, the nutrient differentiating between chemical and biological fouling |
| 01/25/1994 | US5281463 Serpentine folded spunbonded polyproplyene, cleaning oil spills from rivers, lakes and oceans |
| 01/25/1994 | US5281414 Three-dimensional water disinfectants |
| 01/25/1994 | US5281341 Sludge treatment process |
| 01/25/1994 | US5281339 Removal of contaminants |
| 01/25/1994 | US5281338 Method of decolorizing water |
| 01/25/1994 | US5281336 Composition and use of the composition for the extraction of metals from aqueous solution |
| 01/25/1994 | US5281330 Water purifier |
| 01/25/1994 | US5281312 Method and apparatus for killing infections bacteria and undesirable microorganisms in large land and water areas |
| 01/25/1994 | US5281310 Sea water desalinating apparatus |
| 01/25/1994 | US5281309 Portable water purification system |
| 01/25/1994 | US5280701 Waste treatment system and method utilizing pressurized fluid |
| 01/25/1994 | CA1326581C Compositions of inorganic-organic alloy with high charged nitrogen content polymers and their manufacture |
| 01/25/1994 | CA1326434C Paint unsticking and sedimentation agent |
| 01/25/1994 | CA1326431C Method of coagulating sludge |
| 01/23/1994 | CA2100922A1 Process and means for the oxidative destruction of azides |
| 01/22/1994 | CA2086784A1 Method and apparatus for providing an ionic change in fluid |
| 01/20/1994 | WO1994001368A1 Process and system for purifying waste water |
| 01/20/1994 | WO1994001208A1 Device for electroosmotically dewatering loaded materials, and related operating methods |
| 01/20/1994 | WO1993020012A3 Electrodialyzer and process for desalination |
| 01/20/1994 | DE4237716C1 Verfahren zur biologischen Reinigung von mit organischen Kohlenstoffverbindungen und Stickstoffverbindungen verunreinigtes Abwasser A process for the biological purification of contaminated with organic carbon compounds and nitrogen compounds wastewater |
| 01/20/1994 | DE4223699A1 Corrosion-resistant heat-exchanger - comprises sections of ribbed plastics plate with passages connected at ends by transverse slotted pipes |
| 01/20/1994 | DE4223628A1 Magnet assembly for liquid flow in a pipe - having alternating disc and ring permanent magnets with easy fitting |
| 01/20/1994 | CA2139412A1 Process and system for purifying waste water |
| 01/19/1994 | EP0579275A1 Removing hazardous contaminants from water |
| 01/19/1994 | EP0579136A1 Process for treating the flushing water coming from the cleaning of equipment for smoking meat products |
| 01/19/1994 | EP0578852A1 A sewage well or a small sewage purification plant |
| 01/19/1994 | EP0504156B1 Ferrates of alcaline or alcaline earth metals, their preparation and industrial applications |
| 01/19/1994 | CN2153740Y Magnetized heater |
| 01/19/1994 | CN2153735Y Full automatic cold or hot water drinking device |
| 01/19/1994 | CN2153547Y Liquid magnetic treater |
| 01/19/1994 | CN2153546Y Electronic water treating device |
| 01/19/1994 | CN2153545Y Portable ion-exchange water feed bucket |
| 01/19/1994 | CN2153544Y Pen shape water purifier |
| 01/19/1994 | CN2153543Y Drinking water purifying cup |
| 01/19/1994 | CN2153542Y Ultrafiltration mineral water magnetizing drinking device |
| 01/19/1994 | CN2153292Y Double t shape resultant force highstrength magnetization cup |
| 01/19/1994 | CN2153291Y Magnetization mineral cup |
| 01/19/1994 | CN1080854A Healthy jade milk and its use |
| 01/19/1994 | CN1080809A Artificial sea-water |
| 01/18/1994 | USRE34513 Ultraviolet liquid purification system |
| 01/18/1994 | US5279748 Circulating through electrolytic sand filter containing bactericide, algaecide |
| 01/18/1994 | US5279746 Process and apparatus for removing radon from water |
| 01/18/1994 | US5279745 Polysulfones impregnated with powdered activated carbo |
| 01/18/1994 | US5279740 Ground contamination remediation process |
| 01/18/1994 | US5279718 Method of electroosmotically dehydrating sludge |
| 01/18/1994 | US5279637 Sludge treatment system |
| 01/18/1994 | CA1326203C Liquid evaporator |
| 01/18/1994 | CA1326112C Chlorine dioxide oxidation of mill effluent color |
| 01/17/1994 | CA2074031A1 Method and device for recovering glycol(s) from a mixture of glycol(s) and water |
| 01/15/1994 | CA2100528A1 Hydrophobic polyelectrolytes used in color removal |
| 01/13/1994 | DE4222686A1 Device for permanent magnet treatment of liquids to prevent sedimentation - with ring magnets and flow directing element |
| 01/13/1994 | DE4222438A1 Oil adsorbing floating barrier - includes water absorbent fibre mat section for stabilisation |