| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 11/29/1995 | CN1112694A Optimization control of coagulant charging quantity for water purification technology |
| 11/28/1995 | US5470480 Process for treating waste water effluent |
| 11/28/1995 | US5470461 Treatment of water with ozone and radiation and ion exchanging on ionized silica |
| 11/28/1995 | US5470460 Apparatus for the purification of cyanide-containing waste water |
| 11/22/1995 | EP0548107B1 Treatment of photographic effluents |
| 11/22/1995 | CN2213158Y Sewage disposal device |
| 11/22/1995 | CN2213157Y Water purifying device |
| 11/21/1995 | US5468373 Multiple-effect water treatment apparatus |
| 11/21/1995 | US5468350 Apparatus for manufacturing ultrapure water |
| 11/16/1995 | WO1995030471A1 Liquid treatment method and system |
| 11/15/1995 | CN2212589Y Treater for magnetizing mineralizing and purifying water |
| 11/14/1995 | US5466425 Biological decontamination system |
| 11/14/1995 | US5466367 Industrial waste water treatment |
| 11/08/1995 | EP0680934A2 Method for the treatment of waste waters containing heavy metals |
| 11/07/1995 | US5464531 Portable water purification system |
| 11/02/1995 | WO1995029129A1 Water treatment system |
| 11/02/1995 | WO1995029005A1 Improvements in electrodialysis including filled cell electrodialysis (electrodeionization) |
| 10/26/1995 | WO1995028511A1 Method and apparatus for removal of selenium from solution |
| 10/26/1995 | WO1995028358A1 Destroying metal cyanide complexes by combined chemical oxidation and electrolysis |
| 10/26/1995 | DE4425061C1 Permeables Behandlungsbett zur Reinigung kontaminierter Grundwasserströme in situ Permeable treatment bed for cleaning contaminated groundwater flows in situ |
| 10/26/1995 | DE4414261A1 Decontamination of solids contg. heavy metals and/or organics |
| 10/26/1995 | DE4413895A1 Purification and detoxification of waste water from tanneries |
| 10/26/1995 | CA2188274A1 Destroying metal cyanide complexes by combined chemical oxidation and electrolysis |
| 10/25/1995 | CN2210893Y Multi-function water purifier |
| 10/24/1995 | US5460730 Process and apparatus for treating wastewater from lead battery production |
| 10/19/1995 | DE4413304A1 Treatment of polluted water esp. in the paper-making industry |
| 10/18/1995 | CN2210187Y Appliance for water purification |
| 10/18/1995 | CN1110258A Method of obtaining fresh water from sea water and device used therein |
| 10/17/1995 | CA2014891C Sodium borohydride/sodium aluminate |
| 10/11/1995 | EP0675982A1 Method of disposing of excess sludge. |
| 10/10/1995 | US5456840 Mixing aqueous stream with cationic complexing agent, filtering retention complex formed, mixing regeneration agent with complex to regenerate complexing agent and precipitate ions, filtering, reusing regenerated complexing agent |
| 10/05/1995 | WO1995026555A1 Method and device for disposing of a solution containing an organic acid |
| 10/05/1995 | WO1995026389A1 Alkaline diamine track lubricants |
| 10/05/1995 | DE4410747A1 Verfahren und Einrichtung zum Entsorgen einer Lösung, die eine organische Säure enthält Method and apparatus for disposing of a solution containing an organic acid |
| 10/04/1995 | CN2209153Y Multifunctional drinking water device |
| 10/03/1995 | US5454955 Use of hectorite as a clarification aid for deink plant effluent |
| 10/03/1995 | US5454944 Self-contained, purified drinking water refrigerator storage apparatus |
| 09/28/1995 | DE4410045A1 Removal of cyanide from metal-working waste water |
| 09/27/1995 | EP0673883A2 Method and apparatus for electrolytic treatment of industrial waste water |
| 09/27/1995 | CN2208569Y Fully-closed health care water bucket |
| 09/27/1995 | CN1029833C Process for treating waste water |
| 09/27/1995 | CA2145326A1 Process and apparatus for processing industrial waste water by electrolysis |
| 09/26/1995 | US5453207 Water treatment in industrial plants |
| 09/26/1995 | US5453203 Flocculation, coagulation, air bubbles |
| 09/20/1995 | CN1108619A Water treatment method and water treatment apparatus |
| 09/19/1995 | US5451324 Method of treating liquid effluents containing organic compounds |
| 09/14/1995 | WO1995024362A1 Process for purifying and reusing surfactant-containing waste waters |
| 09/13/1995 | EP0671363A2 Method and system for treating polluted water |
| 09/13/1995 | CN2207386Y Purifying and mineralizing drinking water apparatus |
| 09/13/1995 | CN2207385Y Two-stage reciprocating water-purifying tank |
| 09/13/1995 | CN1108221A Water purification apparatus of fixed-on-pipeline type |
| 09/06/1995 | EP0514443B1 Method and apparatus for removing silver in the form of silver salts from a liquid |
| 09/06/1995 | EP0151120B2 Method for removing heavy metals from aqueous solutions by coprecipitation |
| 09/05/1995 | US5447642 Metalworking fluid recycling process with pasteurization by direct steam injection |
| 09/05/1995 | US5447637 Process for the disposal and recovery of phossy water |
| 09/05/1995 | US5447630 Materials treatment process and apparatus |
| 09/05/1995 | US5447626 Water activator |
| 08/31/1995 | WO1995023116A1 Integrated system for treating waste waters |
| 08/31/1995 | DE4343788C1 Management of waste water arising over a region |
| 08/30/1995 | EP0669422A2 Process for the elimination of heavy metals |
| 08/30/1995 | CN2206290Y Drinking water purifying and mineralizing device for daily life |
| 08/30/1995 | CN2206289Y High effective purifier for treatment of water |
| 08/30/1995 | CN2206288Y 高纯水发生器 High-water generator |
| 08/30/1995 | CN1107443A Effluent treatment involving iono-oxidation treatment |
| 08/29/1995 | US5445741 Treatment with chlorine-releasing substance to partially oxidize wastes, heat treatment, oxidizing again with ozone or hydrogen peroxide, adsorption with activated carbon |
| 08/29/1995 | US5445729 Counter top reverse osmosis system |
| 08/23/1995 | EP0668243A2 Method and apparatus for the conditioning of drinking water |
| 08/23/1995 | CN1107123A Producing technology and equipment for ultra-clean water capable of drinking directly |
| 08/23/1995 | CN1107075A Treating and reusing method of waste liquid for cleaning printing plate in printing paper money |
| 08/22/1995 | US5443733 Method and apparatus for treating waste water |
| 08/22/1995 | US5443706 Biocatalyst-immobilized electrode and method for treatment of water by use of the electrode |
| 08/22/1995 | CA2142954A1 Process for the elimination of heavy metals |
| 08/17/1995 | WO1995021794A1 Integrated adsorption/advanced oxidation fluidized bed reactor |
| 08/16/1995 | CN2205380Y High efficiency iodine adding water purifier |
| 08/15/1995 | US5441654 Composition for inhibiting stress cracks in plastic articles and methods of use therefor |
| 08/15/1995 | US5441640 Mobile waste treatment apparatus |
| 08/15/1995 | CA2090989C Removal of arsenic from aqueous liquids with selected alumina |
| 08/10/1995 | WO1995021140A1 Method for processing semi-liquid manure and the device to be used |
| 08/10/1995 | WO1995021136A1 Method for purifying an organic waste-containing medium |
| 08/10/1995 | WO1995021135A1 Biodegradation of methanesulfonic acid |
| 08/10/1995 | WO1995021132A1 Method for recovering metals from solutions |
| 08/10/1995 | CA2181912A1 Biodegradation of methanesulfonic acid |
| 08/09/1995 | EP0651726A4 BOILER OPERATION WITH DECREASED NO x? AND WASTE WATER DISCHARGE. |
| 08/09/1995 | CN2204795Y High perfomance antiseptic and magnetizing water purifier |
| 08/09/1995 | CA2141655A1 Treatment method for removing arsenic from arsenic contaminated water |
| 08/08/1995 | US5439567 Process for treatment of a fluid and apparatus therefor |
| 08/03/1995 | DE4402795A1 Removal of metals during disposal of discharge lamps |
| 08/02/1995 | EP0664771A1 Process for treating industrial waste waters with low concentrations of toxic organic pollutants. |
| 08/02/1995 | EP0664726A1 Processing plant for waste water treatment |
| 08/01/1995 | US5437797 Filtration; decolorizing; chelating both organic and inorganic mercury compounds with a macroporous, cross-linked polystyrene resin having polyisothiouronium groups |
| 08/01/1995 | US5437791 Method for purifying process water from pulp manufacture |
| 07/26/1995 | CN2203855Y Drinking water container with functions of magnetization, purification, mineralization and sterilization |
| 07/20/1995 | WO1995019320A1 Process for the treatment of metal-containing water and recovery of metals therefrom |
| 07/18/1995 | US5433927 Ozone generator having a conductor with projections extending through an inner electrode and associated fabrication method |
| 07/18/1995 | US5433868 Deammoniation by dewatering without digestion, separation of solids then deammoniation using heat |
| 07/18/1995 | US5433864 Method for treating heavy metal containing waste water by utilization of acorn |
| 07/18/1995 | US5433856 Method for treating fluids |
| 07/18/1995 | US5433846 Grease-trap wastewater treatment system |
| 07/18/1995 | US5433842 Marine sewage treatment system |
| 07/13/1995 | WO1995018769A1 Process for the wet-oxidising treatment of organic pollutants in waste water |