| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
|---|
| 05/01/1996 | CN1121702A Water purification unit |
| 04/30/1996 | US5512178 Purification, desalination of seawater |
| 04/24/1996 | EP0606291B1 Process and device for recovering components from dyestuff dispersions |
| 04/24/1996 | CN1121318A Removing toxic metals from solutions |
| 04/23/1996 | US5510439 Water soluble surfactant comprised vinyl trialkoxysilane monomer and a monomer having ammonium groups; papermaking |
| 04/23/1996 | US5510045 Alkaline diamine track lubricants |
| 04/23/1996 | US5510039 Flotation |
| 04/23/1996 | US5510037 Regeneration of used cleaning solution |
| 04/23/1996 | US5510036 Process for treatment of aqueous solutions of polyhydric alcohols |
| 04/23/1996 | US5510034 Reducing concentration of metal by contacting with finely divided copper-zinc alloy |
| 04/23/1996 | US5509999 Desulfurization by injecting carbon dioxide gas, demetallization by adjusting the ph alkalinity to precipitate |
| 04/18/1996 | WO1996011170A1 Water reuse system |
| 04/18/1996 | DE19529132A1 Decontamination process for industrial waste using activated sludge |
| 04/17/1996 | EP0706975A2 Method for the removal of Cr6+ compounds from waste materials |
| 04/17/1996 | EP0706555A1 Composition for inhibiting stress cracks in plastic articles and methods of use therefor |
| 04/17/1996 | CN1120833A Method of treating waste water containing organic and inorganic compounds, particularly waste water arising from the manufacture of epichlorohydrin |
| 04/16/1996 | US5507951 Distillation, cation exchanging, bacteriological treatment, oxidation and ultraviolte radiation treatment, regeneration of cation exchange resin |
| 04/16/1996 | US5507946 Apparatus for wastewater treatment |
| 04/11/1996 | WO1996010544A2 Method for oxidation of organic waste liquors |
| 04/11/1996 | DE4435999A1 Purificn. of effluent contg. organic halogen cpds., esp. chlorinated hydrocarbon(s) |
| 04/10/1996 | CN1120026A Processing of four-time recovery and two-stage treatment of paper pulping waste liquid |
| 04/10/1996 | CN1120023A Disposal method of sulfur-contained organic effluent and gas purifying special equipment-gas balancing apparatus |
| 04/09/1996 | US5505862 Subjecting to aerobic treatment following heavy medium separator and a downstream anaerobic treatment with precisely controlled circulation |
| 04/09/1996 | US5505857 Process for the treatment of metal-containing water and recovery of metals therefrom |
| 04/04/1996 | WO1996009986A1 Method and apparatus for treating a liquid medium containing organic waste |
| 04/04/1996 | DE4436134A1 Drinking water supply process and assembly disinfects water with UV energy |
| 04/02/1996 | US5503751 Treatment with chemicals, precipitation, filtration |
| 04/02/1996 | US5503729 Stack comprising sulfonic, ammonium, and/or phosphonium ion exchange resin membranes and/or packing granules; water softening, demineralization, deashing milk |
| 03/27/1996 | CN2223295Y Double-tank type water treatment apparatus |
| 03/26/1996 | CA1338195C Porous article impregnation resin composition, and system for treating impregnation process waste water |
| 03/20/1996 | EP0701973A1 Method of and apparatus for removing metal contained in solution and surfactant having chelating ability and used suitably for the same |
| 03/20/1996 | EP0701971A1 Method for purification of groundwater |
| 03/19/1996 | CA1338165C Process for removal of nickel from effluent containing edta |
| 03/18/1996 | CA2158404A1 Process for the purification of groundwater |
| 03/14/1996 | DE4435774C1 Sepn. of zinc from solns. and slurries contg. chromium, esp. waste water or galvanic slurry |
| 03/13/1996 | EP0700365A1 Method for recovering metals from solutions |
| 03/13/1996 | EP0700315A1 Multi-stage water treatment system |
| 03/13/1996 | CN1031257C Wastewater treatment of dinitro-diazophenol as initiating explosive production |
| 03/13/1996 | CN1031255C recovery of organic waste from salts by infrared radiation |
| 03/07/1996 | WO1996006804A1 Method for dewatering sludges |
| 03/07/1996 | CA2198241A1 Method for dewatering sludges |
| 03/06/1996 | CN1031185C Comprehensive treatment method for sizing waste-water |
| 03/05/1996 | US5496474 Reaction with mercaptotriazine, raising ph to prevent by-product precipitation |
| 03/05/1996 | US5496466 Portable water purification system with double piston pump |
| 02/29/1996 | DE19527410A1 Verfahren zum Behandeln von Abwasser A method of treating waste water |
| 02/28/1996 | EP0698579A2 Apparatus and method for treatment of waste water and/or exhaust gases containing fluorine and surface active agents |
| 02/28/1996 | CN1117474A Process for treatment of waste-water |
| 02/28/1996 | CN1031128C Basin for treatment of ground water |
| 02/27/1996 | US5494585 Water remediation and purification system and method |
| 02/26/1996 | CA2138055A1 Fluid treatment process |
| 02/22/1996 | WO1996005003A1 Method of decontaminating contaminated material and devices therefor |
| 02/22/1996 | DE4429529A1 Treatment of waste water from vehicles, boats and planes |
| 02/14/1996 | EP0696261A1 Method of treating waste water containing organic and inorganic compounds, particularly waste water arising from the manufacture of epichlorohydrin |
| 02/14/1996 | EP0696258A1 Water purification unit |
| 02/08/1996 | WO1996003348A1 Water cleaner |
| 02/08/1996 | CA2172413A1 Water cleaner |
| 02/07/1996 | CN2219296Y Integral purifier for sewage |
| 02/07/1996 | CN1116189A Synchronous intensified jet method of biological dephenolized mud mixed nutrient sewage |
| 02/01/1996 | WO1996002705A1 Permeable treatment bed for use in purifying contaminated ground water streams in situ |
| 01/31/1996 | CN1115744A Treatment of anaerobic brewage effluent and the reaction pool thereof |
| 01/31/1996 | CN1115743A Treatment of papermaking sewage and the reaction pool thereof |
| 01/30/1996 | US5487622 System for treating polluted groundwater |
| 01/25/1996 | WO1996001791A1 Decontamination system with improved components |
| 01/25/1996 | WO1996001790A1 Transportable device for preparing drinking water |
| 01/24/1996 | CN2218179Y Drink water purifying station |
| 01/24/1996 | CN2218178Y Assembled water purifier |
| 01/24/1996 | CN2218177Y Multifunctional water purifier |
| 01/17/1996 | CN2217621Y Chinese-medical-stone mineral-water purifier |
| 01/17/1996 | CN1114953A Technology for furifying waste gourmet powder solution |
| 01/16/1996 | US5484538 Multiple service water purifier and dispenser and process of purifying water |
| 01/16/1996 | US5484510 Water distilling apparatus |
| 01/11/1996 | DE4424256A1 Trinkwasserfilter Drinking water filter |
| 01/10/1996 | EP0691659A1 Sacrificial anode, process for electrodecontamination of low-level liquid radioactive wastes, and device for carrying out this process |
| 01/10/1996 | CN2217014Y High efficiency multi-function and duration water purification apparatus |
| 01/03/1996 | EP0690025A2 Process for treating photographic waste solution |
| 01/03/1996 | EP0615473B1 Method and device for removing one or more contaminations from a bulk material |
| 01/03/1996 | CN2216525Y Magnetizing and mineralizing treatment apparatus for tap water |
| 01/03/1996 | CN1114294A Flowing type water purifier |
| 01/02/1996 | US5480559 Liquid treatment |
| 01/02/1996 | US5480537 Adding aluminum compound; fluorine converted to fluoride |
| 12/28/1995 | WO1995035262A1 Process for treatment of a fluid and apparatus therefor |
| 12/27/1995 | EP0514543B1 Sewage purification apparatus |
| 12/27/1995 | CN1113891A Preparing method for magnetized active water and its productsa |
| 12/26/1995 | US5478472 Process for treating waste water containing organic and inorganic compounds |
| 12/21/1995 | WO1995034356A1 Water distilling apparatus and method |
| 12/20/1995 | CN1113481A 多功能家用净水器 Multifunction home water purifier |
| 12/20/1995 | CN1030537C Non-pollution basic process for treating black liquor of grass pulp |
| 12/19/1995 | US5476596 Oxidation and hydrolysis of cyanides using metal chelates on supports of metal oxide solid solutions |
| 12/19/1995 | US5476591 Liquid treatment system and method for operating the same |
| 12/14/1995 | WO1995033702A1 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 |
| 12/14/1995 | WO1995033696A1 Method of purifying waste water from dairies |
| 12/14/1995 | WO1995033541A1 Fluid extraction of metals and/or metalloids |
| 12/14/1995 | DE4420033A1 Verfahren zum Reinigen von Molkereiabwasser A method of purifying dairy wastewater |
| 12/14/1995 | DE19503272C1 Biological nitrification and denitrification of conc. inorganic nitrogen cpds. in liq. medium |
| 12/13/1995 | EP0686602A1 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 |
| 12/06/1995 | CN2214414Y Mini-tube water purifier |
| 12/05/1995 | US5472618 Acidifying the etching liquid, reducing with iron powder to precipitate copper |
| 12/05/1995 | CA1337709C Portable water-purifying devices |
| 12/05/1995 | CA1337687C Apparatus for treating a fluid |
| 11/30/1995 | WO1995032155A1 Process for valorizing a liquid acid effluent containing heavy metals |