| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 01/18/1995 | EP0634364A1 Pure water manufacturing method |
| 01/18/1995 | EP0634363A1 Photocatalyst and process for purifying water |
| 01/18/1995 | EP0634362A1 Liquid purification system |
| 01/18/1995 | EP0634199A1 Water filter comprising controllable filtering and backwashing elements |
| 01/18/1995 | EP0634198A1 Installation for controlling the underpressure in an evaporator apparatus |
| 01/18/1995 | EP0633866A1 Method and apparatus for batchwise biological and chemical purification of soil water. |
| 01/18/1995 | EP0633865A1 A device for magnetic treatment of liquids. |
| 01/18/1995 | EP0633846A1 Method for automatic washing of vehicles |
| 01/18/1995 | EP0633812A1 Catalytic carbon, process for manufacture thereof and use thereof to decompose peroxides |
| 01/18/1995 | EP0633810A1 Method and apparatus for effecting gas-liquid contact |
| 01/18/1995 | EP0633805A1 Water soluble polymers |
| 01/18/1995 | CN2187611Y Pressure-adjustable two-stage liquid magnetization device |
| 01/18/1995 | CN2187610Y Magnetization clip |
| 01/18/1995 | CN2187609Y Oxygen remover by galvano-chemistry |
| 01/18/1995 | CN2187421Y Mineral spring magnetised thermal-insulating electric water heater |
| 01/17/1995 | US5382378 Composition useful for treating suspended solids and color bodies in water systems |
| 01/17/1995 | US5382369 High energy phase degritting and low energy phase degreasing; coagulation, flocculation, and settling |
| 01/17/1995 | US5382367 Method of treating cooling water systems |
| 01/17/1995 | US5382366 Retardation installation with compressed air-diaphragm pump and stroke count device |
| 01/17/1995 | US5382358 Apparatus for dissolved air floatation and similar gas-liquid contacting operations |
| 01/17/1995 | US5382356 Method and apparatus for controlling sludge dewatering |
| 01/17/1995 | US5382337 Process for oxidizing organic materials with hydrogen peroxide under conditions of irradiation in aqueous phase |
| 01/17/1995 | US5382321 Process for the concentration of spent liquors |
| 01/17/1995 | US5382282 Ink composition and method of making, using and recovering such composition |
| 01/17/1995 | US5382265 Forming potassium perchlorate with potassium chloride by salt formation |
| 01/17/1995 | CA2034249C Process and reactor for recovering energy and chemicals from spent liquor |
| 01/17/1995 | CA1334016C Low pressure distillation apparatus |
| 01/17/1995 | CA1333984C Composition and method for neutralizing acidic receiving waters |
| 01/13/1995 | CA2127857A1 Water treatment process using physical-chemical denitrifying sludges and facilities |
| 01/13/1995 | CA2117397A1 Photocatalyst and process for purifying water with same |
| 01/12/1995 | WO1995001591A1 Water control system |
| 01/12/1995 | WO1995001309A1 Method of reducing the concentration of finely dispersed solids in process solutions in paper manufacturing |
| 01/12/1995 | WO1995001308A1 Oil-based fluid absorbent article, method and apparatus |
| 01/12/1995 | WO1995001307A1 Treatment of fluids |
| 01/12/1995 | WO1995001306A1 Method of recycling amine saponifiers used in cleaning electronic circuit boards |
| 01/12/1995 | WO1995001305A1 Method of treating aqueous alkaline effluents derived from cleaning electronic circuit assemblies |
| 01/12/1995 | WO1995001304A1 High capacity single tank water clarification system |
| 01/12/1995 | WO1995001231A1 Improved soil washing process for removing heavy metal impurities and use of selected acid-resistant membranes therefor |
| 01/12/1995 | DE4323085A1 Process for eliminating the oxygen, nitrite and/or nitrate content from water |
| 01/12/1995 | DE4322663A1 Process for cleaning up mining waters |
| 01/12/1995 | DE4322420A1 Combination in-situ process for ground water purification |
| 01/12/1995 | DE4321994A1 Method for the control of quantities of chemical aids and flocculants as a function of an on-line mass-solids measurement for clarification and dewatering processes of all kinds, and installation for carrying out the method |
| 01/12/1995 | CA2193739A1 Treatment of fluids |
| 01/12/1995 | CA2166458A1 A process for reducing the content of finely dispersed solids in papermaking process waters |
| 01/12/1995 | CA2165793A1 High capacity single tank water clarification system |
| 01/12/1995 | CA2140909A1 Method of treating aqueous alkaline effluents derived from cleaning electronic circuit assemblies |
| 01/12/1995 | CA2140906A1 Method of recycling amine saponifiers used in cleaning electronic circuit boards |
| 01/11/1995 | EP0633225A1 Process for delivering a selected effective amount of a dry granular antimicrobial composition to an aqueous system |
| 01/11/1995 | EP0633224A1 Apparatus for making hexagonal and pentagonal molecular structure water |
| 01/11/1995 | EP0633068A1 Process and device for cryomagnetic purification of polluted fluids |
| 01/11/1995 | EP0633051A1 Method for stripping contaminants from wastewater |
| 01/11/1995 | EP0633047A1 Evaporator apparatus |
| 01/11/1995 | EP0632873A1 Water conserving wastewater disposal system |
| 01/11/1995 | EP0632790A1 Apparatus for activation of a digesting agent. |
| 01/11/1995 | EP0632746A1 Electrolytic cell for generating sterilization solutions having increased ozone content |
| 01/11/1995 | EP0632737A1 Liquid purifying/distillation device |
| 01/11/1995 | EP0546089B1 Contact lens purification system |
| 01/11/1995 | EP0541609B1 Zebra mussel (dreissena polymorpha) and other aquatic organism control |
| 01/11/1995 | EP0445165B1 Flow discharge valve |
| 01/11/1995 | EP0364542B1 An electronic controller for a water purifying unit |
| 01/11/1995 | CN2187171Y High-efficiency water purifier |
| 01/11/1995 | CN2187170Y Tubular oil remover |
| 01/11/1995 | CN2187169Y Domestic water purifier |
| 01/11/1995 | CN2187168Y Distilled water machine |
| 01/11/1995 | CN1097180A Water-circulation type vacuum spring-water making device |
| 01/11/1995 | CN1097179A Method for treatment of coal slurry |
| 01/11/1995 | CN1097113A Technology for production of health-care aminoacid mineral drink |
| 01/11/1995 | CN1027362C Resin absorbing method for treatment of coal gas and coking waste water |
| 01/10/1995 | US5380762 In aqueous systems, adding ethylenediamine dihydroiodide |
| 01/10/1995 | US5380696 Oxidation catalyst and process of preparing same |
| 01/10/1995 | US5380471 Aeration apparatus for producing ultrapure water |
| 01/10/1995 | US5380445 Pretreatment of microbial sludges |
| 01/10/1995 | US5380444 Copolymers of anionic acrylic acid with cationic dialkylaminomethyl-substituted acrylamide |
| 01/10/1995 | US5380443 Reducing concentration of zinc, copper and silver ions therein by adjusting pH to 11-12, mixing water with mixture of alkali or alkaline earth ferrate and zirconium oxychloride to form precipitate, separating purified supernatant |
| 01/10/1995 | US5380442 Regeneration of used stretford solution for recycle |
| 01/10/1995 | US5380441 Removal of chromium from solution using mechanically agitated iron particles |
| 01/10/1995 | US5380430 Magnetizing apparatus for treatment of fluids |
| 01/10/1995 | EP0641364A4 Salts of polyaspartic acid by high temperature reaction. |
| 01/10/1995 | CA1333840C Apparatus and method of treating black liquor |
| 01/06/1995 | CA2127179A1 Apparatus for making hexagonal and pentagonal molecular structure water |
| 01/05/1995 | WO1995000701A1 Production of polysulphide by electrolysis of white liquor containing sulphide |
| 01/05/1995 | WO1995000449A1 Method for cleaning polluted groundwater, permeable construction therefor and method for producing same |
| 01/05/1995 | WO1995000446A1 Method for the treatment of water treatment sludge |
| 01/05/1995 | WO1995000445A1 Process of sanitizing swimming pools, spas and hot tubs |
| 01/05/1995 | WO1995000444A1 Electrochemical processes |
| 01/05/1995 | WO1995000443A1 Process for the desalinization of sea water and for obtaining the raw materials contained in sea water |
| 01/05/1995 | WO1995000263A1 Method and apparatus for controlling zebra mussels in water conduits |
| 01/05/1995 | WO1995000224A1 Solid phase extraction method and apparatus |
| 01/05/1995 | WO1995000182A1 Compositions for deodorising animal excreta, and deodorising method therefor |
| 01/05/1995 | DE4321297A1 Process for the wet regeneration of bulk goods contaminated with impurities and pollutants |
| 01/05/1995 | DE4321192A1 Apparatus for distilling water in the low-temperature range |
| 01/05/1995 | DE4321050A1 Process and apparatus for seawater desalination using natural energy sources, in particular sun and wind |
| 01/05/1995 | DE4320414A1 Apparatus for avoiding ferric encrustation in pumps and systems |
| 01/05/1995 | CA2166125A1 Compositions and process for the deodorization of dung |
| 01/04/1995 | EP0632056A1 Purification of aqueous reaction or washing medium containing cellulose ethers |
| 01/04/1995 | EP0631998A1 Functional ceramics |
| 01/04/1995 | EP0631988A1 Process for purification of waste waters from aldol condensation reaction |
| 01/04/1995 | EP0631987A2 Removing hazardous contaminants from water |
| 01/04/1995 | EP0631800A1 Wastewater treatment device, specially for rainwater |
| 01/04/1995 | EP0631726A1 Method for sanitizing food products |