| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 06/23/1993 | EP0467896B1 Process for the biological treatment of waste water using microorganisms |
| 06/23/1993 | CN2136835Y Magnetic water device |
| 06/23/1993 | CN2136834Y Exchange pot for catalytic oxidation oxygen removal device |
| 06/23/1993 | CN2136833Y Recovery device for separating oily substance from water |
| 06/23/1993 | CN2136832Y Device of directly producing ozone from liquid |
| 06/23/1993 | CN2136831Y Desorption device with airflow dewatering function |
| 06/23/1993 | CN2136829Y Device of directly producing ozone from liquid |
| 06/23/1993 | CN2136626Y Magnetic water ceramic thermos |
| 06/23/1993 | CN2136619Y Magnetization, mineralized cup and bottle |
| 06/23/1993 | CN2136618Y Multifunction health care cup |
| 06/23/1993 | CN2136617Y Magnetic health care tea set |
| 06/23/1993 | CN1073414A Process for separating V and Cr from waste liquid containing V or Cr, or both |
| 06/23/1993 | CN1073413A Process to treat waste water containing Rh compounds, organic phosphine derivatives and other impurities |
| 06/23/1993 | CN1073367A Household miniature disinfector |
| 06/22/1993 | US5221790 Mixed polysaccharide precipitating agents and insulating articles shaped therefrom |
| 06/22/1993 | US5221486 Aqueous phase removal of nitrogen from nitrogen compounds |
| 06/22/1993 | US5221480 Concurrent removal of various organics and heavy metals |
| 06/22/1993 | US5221473 Filter cartridge assembly for a reverse osmosis purification system |
| 06/22/1993 | US5221471 Tool for magnetic treatment of water |
| 06/22/1993 | US5221451 Automatic chlorinating apparatus |
| 06/22/1993 | US5221444 Electrolytic pool purifier system |
| 06/22/1993 | US5221440 Distilling alkaline aqueous effluent in the presence of an alkali metal hydroxide to increase the alkalinity of the residue and concentrating residue |
| 06/22/1993 | US5220958 Arrangement for driving out of volatile impurities from ground water |
| 06/22/1993 | CA1319328C Froth removing system |
| 06/22/1993 | CA1319327C Purification of liquids with treated polyester fibers |
| 06/20/1993 | CA2079578A1 Method and apparatus for purifying and dispensing water |
| 06/19/1993 | CA2085675A1 Method and apparatus for processing wastes from the machining of ferromagnetic materials |
| 06/19/1993 | CA2085144A1 Method for processing waste waters containing organic phosphorus compounds, in particular sulfonted arylphosphines |
| 06/19/1993 | CA2058002A1 Ion exchange resin, process for producing the same, and method for removing impurities from condensate |
| 06/17/1993 | DE4141485A1 Gas and oil Drilling fluids processing and disposal - by addn. of inorganic and/or organic conditioning agent esp. aluminium or iron and the sepn. of fluid into solid and fluid phases, reducing costs etc. |
| 06/17/1993 | DE4141345A1 Sewage sludge decontamination - forces sludge by centrifugal force against cathode wall, ionises heavy metals for deposition on anode |
| 06/17/1993 | DE4141004A1 Evaporation in a scraped surface path - partic. used for concentrating high fouling aq. effluents |
| 06/17/1993 | DE4140877A1 Transportable continuous sewage treatment |
| 06/17/1993 | DE4140746A1 Sorption process useful in treatment of effluent and sewage - using hydrotalcite layer cpd. as sorption agent for removing weakly polar and non-polar organic substances from polar medium |
| 06/17/1993 | DE4140544A1 Verbessertes verfahren zur entfernung von schwermetallrestgehalten und gegebenenfalls vorliegenden organischen ballaststoffen aus waessrigen phasen Improved methods for removal of heavy metal rest held and, if present, organic waste matter from aqueous phases |
| 06/17/1993 | DE4140500A1 Process for evaporation of effluent or sport wash water which can provide warm clean process water - e.g. for washing in coating/galvanising plants |
| 06/16/1993 | EP0546850A1 Metallic sulfates as wastewater clarificant and their preparation |
| 06/16/1993 | EP0546268A2 Purification process for aqueous fluids containing organic compounds |
| 06/16/1993 | EP0546168A1 Silver recovery element and process |
| 06/16/1993 | EP0546095A1 Method for preparing basic aluminum chlorosulfate |
| 06/16/1993 | EP0546089A1 Contact lens purification system. |
| 06/16/1993 | EP0546033A1 Aeration of liquids |
| 06/16/1993 | EP0263185B1 Sanitary device |
| 06/16/1993 | CN2136422Y Electronic strong magnetic water-boiling supply device |
| 06/16/1993 | CN2136242Y Ultrasonic water treating device |
| 06/16/1993 | CN2136241Y Automatic concentration dregs overflowing type waste water treating apparatus |
| 06/16/1993 | CN2136240Y Domestic electronic water purifier |
| 06/16/1993 | CN2136239Y Magnetic dynamic ultrafiltration water purifier |
| 06/16/1993 | CN2135979Y Split nested cold or hot magnetic cup |
| 06/16/1993 | CN2135977Y Strong magnetizing external member for water cup |
| 06/16/1993 | CN2135975Y Super-filtration purifying and magnetizing mineral pot |
| 06/16/1993 | CN1073154A Technology for treating oil production field water injection by jet air soluble method |
| 06/16/1993 | CN1073153A Water purification methed using rice hulls |
| 06/16/1993 | CN1073152A Process and equipment for hydrolysis of residual urea in processing water of synthesis plant |
| 06/16/1993 | CN1021238C Method and apparatus for comprehensive treatment of waste from biological degumming of ramie |
| 06/15/1993 | US5220110 Nickel and cobalt oxides and calcium aluminate cement |
| 06/15/1993 | US5220058 Iodide removal process |
| 06/15/1993 | US5219580 Thermoplastic silicone shaped articles for controlled release of iodine values to domestic water supplies |
| 06/15/1993 | US5218983 Dispersal valve and canister |
| 06/15/1993 | CA1319114C Liquid waste processing apparatus |
| 06/15/1993 | CA1319088C Method and composition for controlling overspray in paint spray booths |
| 06/15/1993 | CA1319087C Method and composition for controlling overspray in paint spray booths |
| 06/15/1993 | CA1319079C Treating agent for liquid media |
| 06/14/1993 | CA2084440A1 Deodorization of sewage sludge-derived oils |
| 06/13/1993 | CA2085188A1 Process for the preparation of a caogulating chemcial |
| 06/10/1993 | WO1993011281A2 Electrochemical cell |
| 06/10/1993 | WO1993011076A1 Method and apparatus for batchwise biological and chemical purification of soil water |
| 06/10/1993 | WO1993011073A1 Treatment of contaminated waste waters and groundwaters with photolytically generated hydrated electrons |
| 06/10/1993 | WO1993010894A1 Device for magnetically treating fluids, gases or solids |
| 06/10/1993 | WO1993008931A3 System for supplying ultrapure water and method of washing substrate, and system for producing ultrapure water and method of producing ultrapure water |
| 06/10/1993 | WO1993004770A3 Aerator for a liquid-filled basin |
| 06/10/1993 | CA2125285A1 Treatment of contaminated waste waters and groundwaters with photolytically generated hydrated electrons |
| 06/10/1993 | CA2124587A1 Device for magnetically treating fluids, gases or solids |
| 06/10/1993 | CA2124318A1 Electrochemical cell |
| 06/09/1993 | EP0545683A1 Disposal of sewage sludge |
| 06/09/1993 | EP0545557A2 Multiple zone batch treatment process |
| 06/09/1993 | EP0545503A1 Process for removing heavy metals from aqueous effluents |
| 06/09/1993 | EP0545383A1 Separation of solids from aqueous suspensions using modified amine functional polymers |
| 06/09/1993 | EP0545283A1 Process for treating wastewater, containing rhodium compounds, organic phosphine derivatives and other dissolved pollutants |
| 06/09/1993 | EP0545050A2 Process for the non-polluting removal, of petroliferons products from land or aquatic surfaces and oil-adsorbent |
| 06/09/1993 | EP0544924A1 Method and device for treating waste water containing organic chlorine compounds |
| 06/09/1993 | EP0544839A1 Medical drug formulation and delivery system |
| 06/09/1993 | EP0544768A1 An apparatus and a method for treating emulsified liquids. |
| 06/09/1993 | EP0544744A1 Ozonized water generator for sterilization and ozonotherapy |
| 06/09/1993 | DE4302358A1 Method and equipment for two-stages pressure discharge flotation in container - involves already cleaned water in two stages being sucked from second handling stage by dispersal pump with air or gas feed |
| 06/09/1993 | DE4140281A1 Animal body and manure disposal - uses continuous steam sterilising with air and water cleaning, to give virtual waste-free operation |
| 06/09/1993 | CN2135820Y Liquid magnetizer |
| 06/09/1993 | CN2135751Y Electric heating water boiling device |
| 06/09/1993 | CN2135693Y No floating ball water pressure valve pipe type automatic closing device |
| 06/09/1993 | CN2135600Y Multi-function domestic water storage device |
| 06/09/1993 | CN2135571Y Cyanogen containing waste water treating machine |
| 06/09/1993 | CN2135570Y Magnetic mine health care tube |
| 06/09/1993 | CN2135569Y High-effect magnetization water-saving device |
| 06/09/1993 | CN2135568Y Magnitization bottle mouth |
| 06/09/1993 | CN2135302Y Drinking device with magnetization suction tube |
| 06/09/1993 | CN1072909A Prepn. of defluorinating agent for coal gangue |
| 06/09/1993 | CN1072908A Non-pressure type reverse-permeation process and its desalination of sea water |
| 06/09/1993 | CN1021111C Simple type domestic quarry water preparation appliance |
| 06/08/1993 | US5217626 Permanganate, copper and silver ions |
| 06/08/1993 | US5217625 Acidification, hydrothermal treatment, neutralization, partial oxidation, separation of ash, by-product gases |