| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 05/13/1992 | EP0484636A1 Process and apparatus for in-situ decontamination of heavy metal charged ground water |
| 05/13/1992 | EP0484510A1 Method for recycling waster water using excess pressure and oxygenation |
| 05/13/1992 | EP0417144A4 Biocidal composition |
| 05/13/1992 | CN2104215U Magnetic procelain cup |
| 05/13/1992 | CN2104214U Magnetic and mineral drink water puifying unit |
| 05/13/1992 | CN2104213U Purifier for drinking making |
| 05/13/1992 | CN2104075U Magnetic water filter |
| 05/13/1992 | CN2103969U Magnetic antiscale health care kettle |
| 05/13/1992 | CN1061021A Method and apparatus for reclaiming waste tri-glycol with super filtration |
| 05/13/1992 | CN1061016A Method for produeing magnetized china medicine stone container |
| 05/13/1992 | CN1061012A Method to detoxigy sewage sludge |
| 05/13/1992 | CN1016603B Oxidation method for reclaiming waste liquor of copper sulfate |
| 05/12/1992 | US5112521 Scale reduction and disinfecting of pools |
| 05/12/1992 | US5112501 Acidification, basification to reduce chemical oxygen demand |
| 05/12/1992 | US5112500 Anionic Polymer and Cationic Polymer Flocculants |
| 05/12/1992 | US5112499 Gypsum pond water from phosphoric acid plants |
| 05/12/1992 | US5112495 Method of cleaning up petroleum oil spills |
| 05/12/1992 | US5112494 Adsorption on porous solid, metal sulfide promoter, oxidation |
| 05/12/1992 | US5112491 Management of waste solution containing photoresist materials |
| 05/12/1992 | US5112486 Machine element for use in liquid treating system |
| 05/12/1992 | US5112483 Slow sand/nanofiltration water treatment system |
| 05/12/1992 | US5112477 Vending, filters, reverse osmosis membrane |
| 05/12/1992 | US5112446 Device for producing fresh water by solar energy-driven sea water desalting means |
| 05/12/1992 | CA1300341C Granular calcium hypochlorite composition and process for preparation thereof |
| 05/09/1992 | CA2054999A1 Reduction of clay in sludges to be dewatered |
| 05/09/1992 | CA2048220A1 Method for starting up and controlling operating temperature of a wet oxidation process |
| 05/07/1992 | DE4109759C1 Sewage sludge decontamination treatment - involves drying in centrifuge and heating in flue gases |
| 05/06/1992 | EP0484268A1 Method to detoxify sewage sludge |
| 05/06/1992 | EP0484234A2 Process for theremoval of mercury and of arsenic eventually present from a fluid in presence of a recovery mass for mercury and/or arsenic |
| 05/06/1992 | EP0483738A1 Apparatus and process for water conditioning |
| 05/06/1992 | EP0483524A1 Water clarification method and apparatus |
| 05/06/1992 | EP0483332A1 Electrolytic cell for waste water treatment. |
| 05/06/1992 | EP0483286A1 Method of removing ions |
| 05/06/1992 | EP0483265A1 Sewage-treatment plant using the flotation process. |
| 05/06/1992 | EP0483205A1 Method for cleaning up liquids, absorbent pellets for use in such method, and method for making such pellets |
| 05/06/1992 | EP0483157A1 Removal of contaminants |
| 05/06/1992 | EP0467887A4 Clarification process |
| 05/06/1992 | EP0400129A4 Polyelectrolytes modified by reaction with anhydride group containing copolymers and their use as flocculents |
| 05/06/1992 | CN2103701U Magnetic health water tap |
| 05/06/1992 | CN2103554U Electronic device for water treating equipment |
| 05/06/1992 | CN2103553U Kettle for magnetizing water |
| 05/06/1992 | CN2103552U Autocontroller for skiming oil in advection tank |
| 05/06/1992 | CN2103551U Pressurized air-dissolution air-floated water treatment device |
| 05/06/1992 | CN2103361U High-efficient multifunctional water clarifier |
| 05/06/1992 | CN1060875A Process for recovering gold from overflow water of gold mine's tailing store |
| 05/06/1992 | CA2050151A1 Device to filter potable water |
| 05/05/1992 | USRE33915 Disposable hazardous and radioactive liquid hydrocarbon waste composition and method |
| 05/05/1992 | US5110883 Chain transfer agent to prevent crosslinking |
| 05/05/1992 | US5110864 Cationic monomer delayed addition process |
| 05/05/1992 | US5110785 Composition of matter and method of making |
| 05/05/1992 | US5110483 Separation of particles adsorbed on carrier material |
| 05/05/1992 | US5110482 Water repurification method of city water and its equipment |
| 05/05/1992 | US5110481 Method for separation of polyvinyl alcohol from aqueous solutions thereof using peroxodisulfates |
| 05/05/1992 | US5110480 On-line rejuvenation of spent absorbents |
| 05/05/1992 | US5110479 Water purification systems |
| 05/05/1992 | US5110476 Hollow fiber membrane system for removal of viruses and bacteria |
| 05/05/1992 | US5110473 Method and apparatus for sampling organic compounds in water |
| 05/05/1992 | US5110468 Fresh water generator |
| 05/05/1992 | US5110464 Apparatus for recirculation of liquids |
| 05/05/1992 | US5110419 Low profile water distiller |
| 05/05/1992 | US5110418 Water distiller having a heating element with temperature sensing and control elements |
| 05/05/1992 | CA1300287C Apparatus and process for feeding hypochlorite solution |
| 05/05/1992 | CA1300286C Method and product for removal of chloramines, chlorine and ammonia from aquaculture water |
| 05/05/1992 | CA1299966C Biocidal compositions and use thereof |
| 05/05/1992 | CA1299965C Use of sulfamic acid to inhibit phosphonate decomposition by chlorine-bromine mixtures |
| 05/05/1992 | CA1299964C Morpholinohexose reductone as an oxygen scavenger |
| 05/02/1992 | WO1992007797A1 Method of treating aqueous liquids to decompose halogenated organic compounds using a combination of light energy and ultrasonic energy in the presence of a photocatalyst |
| 05/02/1992 | CA2069444A1 Method of treating aqueous liquids to decompose halogenated organic compounds using a combination of light energy and ultrasonic energy in the presence of a photocatalyst |
| 05/02/1992 | CA2050205A1 Water-soluble allylphosphonate copolymers |
| 05/01/1992 | WO1992007796A1 Method of fractionizing water molecule cluster, water-soluble mineral containing solution used for this fractionizing method and method of producing the mineral containing solution |
| 05/01/1992 | CA2042481A1 Methods for dewatering coal and mineral concentrates |
| 05/01/1992 | CA2041039A1 Method to detoxify sewage sludge |
| 04/30/1992 | WO1992007049A1 A method of treating and using waste products |
| 04/30/1992 | DE4033792A1 Device for sterilising liquids using radiation - in which liquid flows in layer of uniform thickness through annular spaces surrounding central UV-light sources in number of parallel tubes |
| 04/29/1992 | EP0482152A1 Process of making potable water |
| 04/29/1992 | EP0482148A1 Method for treating mechanical pulp plant effluent |
| 04/29/1992 | EP0482021A1 Ozone generator. |
| 04/29/1992 | EP0364453B1 Method and apparatus for purification of liquid mediums, especially waste water |
| 04/29/1992 | CN2102924U Mineralize contaminant separater for kettle |
| 04/29/1992 | CN2102923U Household mineral water device |
| 04/29/1992 | CN2102922U Mineralize magnetize cleaning healthy apparatus |
| 04/29/1992 | CN2102921U Strong magnetic field magnetize device for drinking water |
| 04/29/1992 | CN2102920U Disinfect cleaner for water |
| 04/29/1992 | CN2102919U Drinking water purifying apparatus |
| 04/29/1992 | CN2102918U Ultravioulet light drinking water disinfect apparatus |
| 04/29/1992 | CN2102792U Magnetic water filter |
| 04/29/1992 | CN1060637A Sodium bromide extracting method |
| 04/28/1992 | US5108929 Controlling ph in waste water treatment |
| 04/28/1992 | US5108742 Anhydrous complexes of PVP and H2 O2 |
| 04/28/1992 | US5108624 Reducing dissolved oxygen in water with reducing agent in presence of solid phase catalyst bed |
| 04/28/1992 | US5108622 Block copolymers for sludge dewatering and a polymeric initiator for their preparation |
| 04/28/1992 | US5108621 Method of neutralizing hazardous products |
| 04/28/1992 | US5108620 Removal of zinc as contaminant by reacting with sodium salt of dimethyldithiocarbamic/or diethyldithiocarbamic acid |
| 04/28/1992 | US5108619 Using polymethacrylic acid polymer initiated by benzoyl or lauroyl peroxide |
| 04/28/1992 | US5108616 Water treatment |
| 04/28/1992 | US5108614 Device and a method for filtering a liquid with wood ash to remove impurities therefrom |
| 04/28/1992 | US5108606 Water purification device |
| 04/28/1992 | US5108599 Low pressure liquid filter cartridge and method of making |
| 04/28/1992 | US5108598 Horizontal motion quick-disconnect filter system with recirculating bypass |
| 04/28/1992 | US5108590 Water dispenser |