| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 06/08/1993 | US5217623 Method of detoxifying cyanide waste |
| 06/08/1993 | US5217620 Soluble anionic floculant |
| 06/08/1993 | US5217607 Water decontamination system with filter, electrostatic treatment and UV radiation chamber |
| 06/08/1993 | US5217587 Electrochemistry deionization |
| 06/08/1993 | US5217579 Distillation system for treating waste organic solvent |
| 06/08/1993 | US5217042 Residential waste water disposal system |
| 06/08/1993 | CA1318986C Inhibition of mineral deposition by polyanionic/hydrophobic peptides and derivatives thereof |
| 06/08/1993 | CA1318861C Use of pre-cooked and puffed cereals as oil spill sorbents |
| 06/07/1993 | CA2081958A1 Procedure for environmentally benign removal of oil substances similar to oil from the surface of water or the ground and an oil absorber suitable for this procedure |
| 06/06/1993 | CA2084022A1 Process for working up waste waters comprising rhodium compounds, derivatives of organic phosphines and other impurities in dissolved form |
| 06/03/1993 | DE4234507A1 Controlling sludge removal from water - by using capillary suction time measurements to control amount of polyelectrolyte coagulant to be added |
| 06/03/1993 | DE4203767A1 Evaporating waste water from surface coating procedure - using evaporator located in dryer section of prepn. unit and using condensed in washing or treatment baths, etc. |
| 06/03/1993 | CA2082085A1 Multiple zone batch treatment process |
| 06/02/1993 | EP0544469A1 Treating photoresist waste |
| 06/02/1993 | EP0544395A2 Device for magnetically treating fluids gases or solids |
| 06/02/1993 | EP0544227A1 Process for continuous sludge thickening with hydrocyclones |
| 06/02/1993 | EP0544226A1 Process for relieving the clarifier |
| 06/02/1993 | EP0544225A1 Process for pre-purification of waste waters |
| 06/02/1993 | EP0544158A1 Use of homo- or co-polymers based on quaternised 1-vinyl imidazoles as organic polyelectrolyte |
| 06/02/1993 | EP0543934A1 Apparatus for magnetically treating flowing liquids. |
| 06/02/1993 | EP0543920A1 Particle accelerator transmission window configurations, cooling and materials processing |
| 06/02/1993 | CN2135085Y Push-button magnetic tap |
| 06/02/1993 | CN2135022Y Domestic filtering water tank |
| 06/02/1993 | CN2134997Y Multi-purpose triple tandem water magnetizer |
| 06/02/1993 | CN2134826Y Non-scale magnetic kettle |
| 06/02/1993 | CN2134820Y Magnetic thermal-insulating cup |
| 06/02/1993 | CN2134819Y Boiling mineral water drinking vessel |
| 06/02/1993 | CN1072755A Device for magnectically treating fluids, gases or solid |
| 06/02/1993 | CN1072662A Apparatus for purifying closed natural water area |
| 06/02/1993 | CN1072660A Settling agent for silt and producing method thereof |
| 06/02/1993 | CN1072659A Drain treatment apparatus |
| 06/02/1993 | CN1072613A Strong mixing fluid method and strong mixer with multi-purposes |
| 06/01/1993 | US5216322 Method of producing a gas discharge light source |
| 06/01/1993 | US5215659 Device for producing mineral-containing water for water storage vessel |
| 06/01/1993 | US5215657 Water treatment system |
| 06/01/1993 | US5215592 Dense fluid photochemical process for substrate treatment |
| 06/01/1993 | CA1318748C Shaped polymer organosiloxane-ammonia compounds, a process for the production of these, and the use of these compounds |
| 05/27/1993 | WO1993010051A1 Apparatus for generating electrolytic water |
| 05/27/1993 | WO1993010050A1 Method relating to the flushing of a purification plant |
| 05/27/1993 | WO1993010049A1 Method for purification of water |
| 05/27/1993 | WO1993010048A1 Process and device for the desalination of sea water using a plate type heat exchanger |
| 05/27/1993 | WO1993009868A1 Magnetic fluid conditioner |
| 05/27/1993 | WO1993009849A1 Immobilisation of metal contaminants from a liquid to a solid medium |
| 05/27/1993 | WO1993009670A1 Use of 1,3,5-triazine-2,4,6-tris-alkylaminocarboxylic acid derivatives as biocidal agents |
| 05/27/1993 | DE4236713A1 Photochemical recovery - using membrane filter for high flow rates and low concns. and second membrane with low flow at high concn. with return of retained matter to collection tank |
| 05/27/1993 | DE4138848A1 Sepn. process for removing emulsified components, e.g. hydrocarbon from water - by flotation, with recirculation of water from clean water tanks to mixer with aeration device |
| 05/27/1993 | DE4138695A1 Transportable continuous sewage treatment |
| 05/27/1993 | DE4138544A1 Agent for bio-sorption of heavy metals - comprising water insol. alginate gel with high content of dry matter for reducing heavy metals content of water to below limits for drinking water |
| 05/27/1993 | DE4138090A1 Verwendung von 1,3,5-triazin-2,4,6-tris-alkylaminocarbonsaeurederivaten als biozide mittel in wasserhaltigen systemen sowie diese enthaltende kuehlschmierstoffe Using 1,3,5-triazine-2,4,6-tris-alkylaminocarboxylic as biocidal medium in aqueous systems containing them, and kuehlschmierstoffe |
| 05/27/1993 | CA2123872A1 Use of 1,3,5-triazine-2, 4, 6-tris-alkylaminocarboxylic acid derivatives as biocidal agents |
| 05/27/1993 | CA2123309A1 Immobilisation of metal contaminants from a liquid to a solid medium |
| 05/27/1993 | CA2056244A1 Method for physico-chemical and electro-chemical enhancement of chemical oxidation of material suspended or dissolved in a liquid medium |
| 05/26/1993 | EP0543579A1 Removing pesticide residues from water |
| 05/26/1993 | EP0543112A1 Process for degrading noxious matters in water by means of hydrogen peroxide in combination with UV-irradiation |
| 05/26/1993 | EP0542859A1 Method of decolourising water. |
| 05/26/1993 | CN2134426Y Sealing type pressure, automatic water storage and purifying water apparatus |
| 05/26/1993 | CN2134395Y Active mineral water magnetizing retort |
| 05/26/1993 | CN2134394Y Water processor having high frequency electromagnetic field |
| 05/26/1993 | CN2134393Y Ring magnetizer |
| 05/26/1993 | CN2134392Y Low temp. seawater desalter |
| 05/26/1993 | CN2134391Y Small distilled water device |
| 05/26/1993 | CN2134390Y Multifunctional integral water magnetizing and mineralizing device |
| 05/26/1993 | CN2134389Y Drink water purifying sterilizer |
| 05/26/1993 | CN2134221Y Household health-care purifying drinker |
| 05/26/1993 | CN1072396A Purifying method for removing hexavalence chromium in drinking water |
| 05/26/1993 | CN1072395A Flotation waste water processing method |
| 05/26/1993 | CN1072394A Magnetic ion water purifier |
| 05/26/1993 | CN1072393A Ion-exchange water softening process and equipment thereof |
| 05/26/1993 | CN1072331A 磁疗茶盘 Magnetic tray |
| 05/26/1993 | CN1020888C Process for removing sulfides |
| 05/26/1993 | CN1020887C Portable water purifying devices |
| 05/25/1993 | US5214014 Oxidation destruction with ozone; carrier and metal, metal oxide and/or metal sulfate |
| 05/25/1993 | US5213773 Miniature, efficient ozone purification or treatment system |
| 05/25/1993 | US5213694 Water treatment control system for treating cooling tower makeup water |
| 05/25/1993 | US5213693 Dewatering compositions and processes |
| 05/25/1993 | US5213690 Method of using a diatomaceous earth containing absorbent |
| 05/25/1993 | US5212957 Refgrigerator/water purifier |
| 05/19/1993 | EP0542515A1 Destruction of metal complexes |
| 05/19/1993 | EP0542199A1 Biocidal decylnonyl- and decylisononyl dimethylammonium compounds |
| 05/19/1993 | EP0542162A1 Process for waste water disposal |
| 05/19/1993 | EP0542122A1 Domestic water filter |
| 05/19/1993 | EP0541848A1 Process for separating aromatic hydrocarbons from waste waters containing AICI3 |
| 05/19/1993 | EP0541734A1 Ftir remote sensor apparatus and method |
| 05/19/1993 | EP0541637A1 A process for purifying impotable water and wastewater with hypochlorous acid. |
| 05/19/1993 | EP0541609A1 Zebra mussel (dreissena polymorpha) and other aquatic organism control. |
| 05/19/1993 | EP0541586A1 Cleaning waste water contaminated with oil and grease |
| 05/19/1993 | EP0541578A1 Polymerisable porphyrins |
| 05/19/1993 | EP0513234A4 Drinking water filter |
| 05/19/1993 | DE4137905A1 Controlling sludge recirculating in biological sewage treatment plant - by determining parameters of active and non-active sludge components, by analysis, sepg. components so that only active material is recirculated |
| 05/19/1993 | DE4137864A1 Catalytic oxidn. of waste waters, esp. contg. amine and (poly)phenol contaminants - using hydrogen peroxide and oxygen@ or ozone and iron or manganese salts as catalyst |
| 05/19/1993 | DE4137281A1 Preventing algal growth in still water e.g. bathing pools etc. - by using electric field produced by pulsed direct current between electrodes located just below water surface |
| 05/19/1993 | DE4137219A1 Mains water treatment - uses rectangular or oval water pipe with permanent magnets in flexible strips attached to the broad outer edges |
| 05/19/1993 | DE4136852A1 Ion exchange vessel - has dividing walls to contain ion exchange resin in segments for fluid to be treated to flow in one direction and regenerating fluid flow in opposite direction |
| 05/19/1993 | CN2133576Y Tap water purifying, mineralizing, magnetizing unit |
| 05/19/1993 | CN2133575Y Sterilized liquid adding device for differential pressure type drinking water pressure pipeline |
| 05/19/1993 | CN2133574Y Magnetizing unit for tap water |
| 05/19/1993 | CN2133573Y Electric condensing-floating purifying device of organic waste water |
| 05/19/1993 | CN2133572Y Domestic drinking water ion exchanger |
| 05/19/1993 | CN2133571Y Magnetizing sterilizing water drinking unit |
| 05/19/1993 | CN2133357Y Quickly regenerated double-convection ion-exchanger |