| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 08/28/1996 | CN2233949Y Domestic water supply tank |
| 08/28/1996 | CN1129746A Electrolytic ionized water producing apparatus |
| 08/28/1996 | CN1129678A Supersonic magnetizing water treating apparatus |
| 08/27/1996 | US5549812 Process and apparatus for processing industrial waste water by electrolysis |
| 08/22/1996 | WO1996025368A1 A process for high concentrated waste water treatment using membrane separation |
| 08/22/1996 | DE19537565A1 Domestic water supply filter station preceded by water treatment station |
| 08/22/1996 | DE19505884A1 Water treatment process and small-scale assembly removes phosphate ions |
| 08/22/1996 | CA2212820A1 A process for high concentrated waste water treatment using membrane separation |
| 08/21/1996 | EP0727402A1 Water-soluble humic acids, a method of obtaining them, a method of detoxifying land and effluent sediments, and a method of recultivating agricultural land with the aid of the proposed water-soluble humic acids |
| 08/21/1996 | EP0609272B1 Chemical oxidative process for purifying highly contaminated waste water |
| 08/20/1996 | CA2064223C Composition for inhibiting stress cracks in plastic articles and methods of use therefor |
| 08/20/1996 | CA1338531C Method for water filtration |
| 08/15/1996 | WO1996024390A1 Device and process for the sterilization of waste water |
| 08/14/1996 | EP0639157B1 System for treating polluted groundwater |
| 08/14/1996 | EP0486656B1 Composition for inhibiting stress cracks in plastic articles and methods of use therefor |
| 08/14/1996 | DE19504479A1 Laboratory waste water treatment mobile assembly has two vessels |
| 08/14/1996 | DE19504372A1 Appts. for sepn. of metal from waste water outflow |
| 08/14/1996 | CN1128736A Process for treatment and reuse of wastewater from brewery |
| 08/13/1996 | US5545330 Gravity oil/water separation, for skimming floating hydrocarbons off the top of water surface, air-floatation, gravity fitration, air stripping, absorption, and chlorination |
| 08/07/1996 | EP0724546A1 Processes for the treatment of acidic liquors and for the production of commercial products thereby |
| 08/07/1996 | EP0638129B1 Mercury contaminated mud treatment |
| 08/06/1996 | US5543050 Anaerobically and aerobically biodegrading, then composting dewatered solid waste and discharging clarifying wastewater; water and landfill pollution control |
| 08/06/1996 | US5543049 Microbial mediated water treatment |
| 07/31/1996 | CN1032422C Separated closed circular water treating system for swimming pool |
| 07/30/1996 | US5540848 Filter retainer for water purification unit |
| 07/30/1996 | US5540836 Wastewater treatment system and method |
| 07/30/1996 | US5540819 Electrolysis |
| 07/24/1996 | EP0722906A1 Improved dephosphatization treatment for waste water |
| 07/24/1996 | CN1127374A Device for cutting off water supply of water cleaner |
| 07/24/1996 | CN1127222A Flooding water treatment method by mixing clean water with sewage |
| 07/23/1996 | US5538636 Oxidation of wastes in water for purification |
| 07/23/1996 | US5538606 Ionized water generating device |
| 07/21/1996 | CA2167649A1 Improved effluent phosphate removal process |
| 07/18/1996 | WO1996021624A1 Absorptive sludge dewatering process for papermaking waste |
| 07/18/1996 | WO1996021499A1 Method and composition for treating waste in a septic system |
| 07/18/1996 | DE19500741A1 Removal of chromate, cyanide, heavy metals and anions from effluent |
| 07/18/1996 | CA2209307A1 Absorptive sludge dewatering process for papermaking waste |
| 07/17/1996 | EP0721428A1 Process for making paper and cardboard |
| 07/17/1996 | EP0471784B1 Method and composition for treating waste water |
| 07/17/1996 | CN2231252Y Purley magnetizing selectively mineralizing water purifier |
| 07/16/1996 | US5536418 Method for processing multiple, small batches of waste material |
| 07/16/1996 | US5536404 Wastewater effluent management system using a sand filter |
| 07/16/1996 | US5536395 Home water purification system with automatic disconnecting of radiant energy source |
| 07/16/1996 | US5536385 Oxidation |
| 07/11/1996 | WO1996020894A1 Method for treating waste water sludge |
| 07/10/1996 | EP0720968A1 Water cleaner |
| 07/10/1996 | CN1126178A Process and apparatus for the processing of industrial waste water by electrolysis |
| 07/09/1996 | US5534159 Recovering surfactant used in degreasing |
| 07/09/1996 | US5534154 Treating contaminated water |
| 07/09/1996 | US5534148 Process for treating photographic waste solution |
| 07/04/1996 | WO1996020139A1 Drinking water purification and conditioning system and a filter charge for purifying drinking water |
| 07/04/1996 | WO1996020134A1 Filtration tank and means for subsequent purification of waste water |
| 07/04/1996 | CA2209110A1 Filtration tank and means for subsequent purification of waste water |
| 07/03/1996 | EP0719171A1 System and method of processing mixture of solids and liquids |
| 07/02/1996 | US5531901 Method of treatment of a fluid containing volatile organic halogenated compounds |
| 07/02/1996 | US5531865 Decontamination of water by electrolytic oxidation, coupling and separation |
| 06/27/1996 | WO1996019414A1 Process for the continuous treatment of waste water containing dissolved metals |
| 06/27/1996 | WO1996019413A1 Process for treating waste water containing metals |
| 06/27/1996 | DE4446122A1 Adsorbent material for removal of anionic cpds. |
| 06/27/1996 | DE19546644A1 Redn. of chromium-(VI) cpds. to chromium-(III) cpds. in aq. soln. |
| 06/26/1996 | EP0639158B1 Method for purifying process water or wastewater containing wood resin |
| 06/20/1996 | WO1996018581A1 Purifying apparatus |
| 06/19/1996 | EP0675982B1 Method of disposing of excess sludge |
| 06/18/1996 | US5527431 Silicon polyelectrolytes for pitch deposit control |
| 06/13/1996 | DE19545546A1 Verfahren zur Reinigung chromhaltiger Abwässer Methods for cleaning waste water containing chrome |
| 06/12/1996 | EP0715608A1 Method of incinerating sludge resulting from waste-water treatment |
| 06/12/1996 | EP0715607A1 Device for purifying waste water or ground water |
| 06/12/1996 | EP0715603A1 Treatment method for waste water sludge comprising at least one metal |
| 06/12/1996 | CN1124232A Non-pollution treating tech. process for waste water in gas production |
| 06/11/1996 | US5525213 System for decontamination dry cleaning waste water |
| 06/06/1996 | WO1996010544A3 Method for oxidation of organic waste liquors |
| 06/05/1996 | EP0714712A1 Method of decontaminating soil |
| 06/05/1996 | EP0696258A4 Water purification unit |
| 06/05/1996 | CN1123768A Composition for purifying and mineralizing drinking water |
| 06/04/1996 | US5523001 Oxidizing with hydrogen peroxide, irradiating with ultraviolet light to decompose the organic contaminants in diluted solution |
| 06/04/1996 | US5522997 Process for the removal of toxic cyanide and heavy metal species from alkaline solutions |
| 05/29/1996 | EP0713843A1 Process and apparatus for the treatment of waste water with ozone |
| 05/29/1996 | EP0713841A1 Integrated system for treating waste waters |
| 05/29/1996 | CN1123254A Technology for recovering waste alkali from black liquor for pulping |
| 05/28/1996 | US5520803 Mobile waste water treatment device |
| 05/22/1996 | EP0712381A1 Method of purifying waste water from dairies |
| 05/22/1996 | CN1122782A Highly pure active distilled water prodn. process |
| 05/22/1996 | CN1122781A Dinitrodiazophenol industrial wastewater treatment |
| 05/22/1996 | CN1122774A Apparatus and method for treatment of waste water and/or exhaust gases containing fluorine and surface active agents |
| 05/21/1996 | US5518633 Process for treating aqueous media containing metal ions |
| 05/21/1996 | US5518598 Treatment equipment for drinking water |
| 05/21/1996 | US5517829 Portable water supply system |
| 05/15/1996 | DE4435304C1 Grey water purification and recycling plant which may be installed in habitable buildings |
| 05/15/1996 | CN2227124Y Super-thin hanging type unboiling water clarifier for household |
| 05/15/1996 | CN2227123Y Strong magnetic energy-saving health-care distilled water apparatus |
| 05/15/1996 | CN1122312A Producing equipment for life water |
| 05/14/1996 | US5517004 Process and apparatus for removing contaminations from bulk material |
| 05/09/1996 | WO1996013464A1 Methods of coagulating and decolorizing waste streams |
| 05/09/1996 | DE4439147A1 Treating waste water, esp. from oil refineries |
| 05/09/1996 | CA2203883A1 Methods of coagulating and decolorizing waste streams |
| 05/07/1996 | US5514282 Food processing wastewater treatment and recovery process |
| 05/07/1996 | US5514279 Water purification by placing a receptacle in a trench with active material for removal of dissolved material |
| 05/02/1996 | WO1996012680A1 Process for treating aqueous media containing metal ions |
| 05/01/1996 | EP0709341A2 A shower head having a mechanism for treating hot water |
| 05/01/1996 | CN2226060Y Purifier for well water and river water |