| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 09/15/1994 | DE4307204A1 Arrangement for purifying liquids and/or gases |
| 09/15/1994 | CA2157795A1 Improved method for purifying waste water using activated sludge to increase purification yields |
| 09/15/1994 | CA2147621A1 Immersion lamp for a photochemical reactor and its use |
| 09/14/1994 | EP0615003A1 Alkali metal hypochlorite generation-storage unit |
| 09/14/1994 | EP0614682A1 Method for removing pollutants and purifying materials |
| 09/14/1994 | EP0614401A1 Method for controlling the regeneration of a water treatment system |
| 09/14/1994 | EP0614333A1 Use of 1,3,5-triazine-2,4,6-tris-alkylaminocarboxylic acid derivatives as biocidal agents. |
| 09/14/1994 | EP0554285B1 Process for recovering raw materials from paper-industry mechanical waste sludges |
| 09/14/1994 | EP0502890B1 A mouthpiece for a water tapping point |
| 09/14/1994 | EP0477262B1 Method and device for electroactivating fluids |
| 09/14/1994 | CN2177193Y Automatic continuous magnetizing water boiling device |
| 09/14/1994 | CN2177092Y PH fully automatic treatment device for oil well acidified waste liquid |
| 09/14/1994 | CN2177011Y Liquid magnetizer |
| 09/14/1994 | CN2177010Y Combined household hot water magnetizing and softening device |
| 09/14/1994 | CN2176816Y Purifying device for drinking water |
| 09/14/1994 | CN2176672Y Magnetizing purifying and mineralizing cup |
| 09/14/1994 | CN1092117A Alkali metal hypochlorite generation-storage unit |
| 09/14/1994 | CN1092111A New process for extracting copper from underground water of copper mine |
| 09/14/1994 | CN1092042A Weeping well with natural filter bed |
| 09/14/1994 | CN1092041A Complex aluminate "PAS" and its production process |
| 09/13/1994 | US5347071 Process for the removal of heavy metals from contaminants |
| 09/13/1994 | US5346986 Flocculants, retention and drainage aids |
| 09/13/1994 | US5346643 Polynuclear complex salt waste water clarificants and their preparation |
| 09/13/1994 | US5346628 Polymers for flocculating red mud from bayer process liquors |
| 09/13/1994 | US5346627 Method for removing metals from a fluid stream |
| 09/13/1994 | US5346620 Process for waste water treatment by removal of sodium sulfate |
| 09/13/1994 | US5346617 Method and apparatus for purifying waste water |
| 09/13/1994 | US5346616 Apparatus for pathogen reduction in waste |
| 09/13/1994 | US5346592 Combined water purification and power of generating plant |
| 09/13/1994 | CA1331987C 1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, their use in the control of microorganisms in aqueous systems, and their use in theinhibition of corrosion |
| 09/12/1994 | CA2091485A1 Stabilizing and algicidal agent for use in swimming pools |
| 09/08/1994 | DE4306846A1 Method for the electrochemical treatment of contaminated soils and/or ground water |
| 09/08/1994 | DE4306652A1 Aqueous calcium hydroxide suspension and use thereof |
| 09/07/1994 | EP0613862A2 Process for reducing the concentration of pollutants in waste water from industrial processes |
| 09/07/1994 | EP0613861A1 Device for at least partially desalinating drinking water |
| 09/07/1994 | EP0613860A1 Apparatus and method of reducing the volume from aquous solutions, containing non evaporable substances |
| 09/07/1994 | EP0613399A1 Magnetic fluid conditioner. |
| 09/07/1994 | EP0613391A1 Immobilisation of metal contaminants from a liquid to a solid medium. |
| 09/07/1994 | CN2176366Y Hotting and mineralizing water |
| 09/07/1994 | CN2176365Y 磁化器 Magnetizer |
| 09/07/1994 | CN2176364Y Desk drink water container with distillater |
| 09/07/1994 | CN2176363Y Drink water treating apparatus |
| 09/07/1994 | CN2176362Y Water filter for drink |
| 09/07/1994 | CN2176097Y Health-care water container for drinking |
| 09/07/1994 | CN1091785A Method to recover sericin dissolved in degumming baths, plant to carry out such method and sericin thus obtained |
| 09/07/1994 | CN1091724A Method of treatment of electroplating waste liquor containing Cr with silicate material |
| 09/07/1994 | CN1091723A Method for treatment of waste water containing pentaerythritol |
| 09/07/1994 | CN1091674A Filter jug |
| 09/07/1994 | CN1091673A Water filter cartridge |
| 09/07/1994 | CN1091587A Slowly-released drinking water disinfectant |
| 09/06/1994 | US5345031 Reduction of aromatic halide content |
| 09/06/1994 | US5344573 Steaming; water pollution control; reuse |
| 09/06/1994 | US5344572 Method for treating waste pickle liquor |
| 09/06/1994 | US5344569 Process for recovering thiocyanate |
| 09/06/1994 | US5344566 Dechlorination and demetallization of waste water |
| 09/06/1994 | US5344558 Water filter cartridge |
| 09/06/1994 | US5344540 Electrochemical cell with degassing device |
| 09/06/1994 | US5344537 Method for corrosion-proofing of a water system |
| 09/06/1994 | CA1331895C System and method for the extraction of cyanide from tails liquor |
| 09/06/1994 | CA1331890C Process for treatment of water containing volatile and toxic compounds |
| 09/06/1994 | CA1331824C Compositions to encapsulate chromium, arsenic, and other toxic metals in wastes |
| 09/04/1994 | WO1994020214A1 Environmentally acceptable method of using acid waste water |
| 09/04/1994 | CA2134970A1 Method for ecological utilization of acid effluents |
| 09/01/1994 | WO1994019576A1 Removal of scale-forming inorganic salts from a produced brine |
| 09/01/1994 | WO1994019287A1 Method for preventing hydrogen sulfide formation |
| 09/01/1994 | WO1994019286A1 Treatment of swimming pool water |
| 09/01/1994 | WO1994019285A1 Detergent-free cleansing water, process and apparatus for producing the cleansing water, and method of separating emulsion formed by using the cleansing water into water and oil |
| 09/01/1994 | WO1994019284A1 Apparatus for removal of organic material from water |
| 09/01/1994 | WO1994019221A1 Washing installatiion for cleaning vehicle tyres |
| 09/01/1994 | WO1994019093A1 Water purification system and method |
| 09/01/1994 | DE4306844A1 Process for the combined physical/chemical cleaning of waters contaminated with the explosive substances 2,4,6-trinitrotoluene, hexahydro-1,3,5-trinitro-1,3,5-triazine and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazine |
| 09/01/1994 | CA2156496A1 Water purification system and method |
| 09/01/1994 | CA2156298A1 Apparatus for removal of organic material from water |
| 08/31/1994 | EP0612697A1 Purification of salt containing waste water by wet oxidation at supercritical conditions |
| 08/31/1994 | EP0612695A1 Biomass growth control apparatus for fluid bed biological reactor |
| 08/31/1994 | EP0612694A1 Method and device for producing electrolytic water |
| 08/31/1994 | EP0612693A1 Process and apparatus for improving quality of water |
| 08/31/1994 | EP0612691A1 Apparatus for recovering fresh water or concentrating liquid |
| 08/31/1994 | EP0612562A1 Process for preparing oil sorbent and device for continuously preparing the same |
| 08/31/1994 | EP0612305A1 Method relating to the flushing of a purification plant. |
| 08/31/1994 | EP0612264A1 Improvements in or relating to separators |
| 08/31/1994 | EP0567601B1 Process and device for purifying sewage |
| 08/31/1994 | EP0518871B1 Waste water treatment process using a recycle of high density sludge |
| 08/31/1994 | CN2175789Y Magnetic water tank |
| 08/31/1994 | CN2175758Y Mineralizing device for shower, therapeutic and cosmetic use |
| 08/31/1994 | CN2175757Y Mineralizing core |
| 08/31/1994 | CN2175756Y Box type drinking water magnetizer |
| 08/31/1994 | CN2175755Y High efficiency liquid magnetizing device |
| 08/31/1994 | CN2175754Y 家用净水器 Household water purifiers |
| 08/31/1994 | CN2175545Y Portable magnetizing and mineralizing cup |
| 08/31/1994 | CN1091397A Water mineralizing agent using Chinese medical stone |
| 08/31/1994 | CN1091396A Silver-carrying bacteriostatic activated carbon |
| 08/31/1994 | CN1091393A Method for preparation of silicate floccuating agents with water-quenching dregs or ash |
| 08/30/1994 | USRE34713 Hydrolysis product of N-vinylformamide-(meth)acrylonitrile copolymer; increasing paper strength |
| 08/30/1994 | US5342863 Ultrafiltration processes for the recovery of polymeric latices from whitewater |
| 08/30/1994 | US5342787 Diluting to expected detectable silica level adding chelate at basic ph |
| 08/30/1994 | US5342778 Microorganism belonging to the genus flavobacterium designated ferm BP-4010 |
| 08/30/1994 | US5342539 Polyacrylamide-phosphonate flocculants and methods of making |
| 08/30/1994 | US5342538 Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
| 08/30/1994 | US5342528 Water-purifying material, a process for manufacturing the same and a process for purifying water |