Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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09/09/1986 | US4610792 Wastewater clean up with activated carron, lime and filter aid |
09/09/1986 | US4610790 Process and system for producing sterile water and sterile aqueous solutions |
09/09/1986 | US4610783 Control of algae in re-circulating water systems |
09/09/1986 | CA1210930A1 Composition and method for deoxygenation |
09/03/1986 | EP0193518A1 Process for the precipitation of dissolved sulfides from waste water containing sulfides |
09/03/1986 | EP0193007A2 Process and apparatus for the biological purification of waste water |
09/03/1986 | EP0192893A2 Potable water from internal combustion engines |
09/03/1986 | EP0192718A1 Process and device for the production of ozone. |
09/03/1986 | CN86100741A Removal of propenylamide in drinking water by permanganate of potassium |
09/03/1986 | CN85106310A Low temperature energy exactor and still |
09/03/1986 | CN85101973A Metallurgical waste water purification technology |
09/03/1986 | CN85100375A Cyan-containing waste water treatment by iron blue method |
09/02/1986 | US4609488 Demulsification with cationic surfactant or polymer |
09/02/1986 | US4609472 Acidification, reduction with hydrazine hydrochloride |
09/02/1986 | US4609471 Laser disinfection of fluids enhanced by gas bubbles |
09/02/1986 | US4609470 Crosslinking with dialdehyde |
09/02/1986 | US4609469 Waste water treatment |
09/02/1986 | US4609466 For use on sink or countertop |
09/02/1986 | US4609385 Multi stage water deoxygenator |
09/02/1986 | US4609127 Timed dispenser of fluid additives |
09/02/1986 | CA1210594A1 Composition containing thiolates and process for the removal of heavy metal ions from dilute aqueous solutions |
08/28/1986 | WO1986004888A1 A method of removing macromolecular organic dissolved and colloidal material from wood processing industry effluents |
08/28/1986 | WO1986004887A1 Magnetic conditioning of hard water |
08/27/1986 | EP0192376A1 Coagulation and solids removal processes |
08/27/1986 | EP0191893A2 Process for adsorption treatment of dissolved fluorine |
08/27/1986 | EP0191820A1 Electrode means for water purifier according to the ionization principle preferably for swimming pools |
08/27/1986 | EP0191818A1 Electromagnetic treatment of water |
08/26/1986 | US4608247 Composition for bactericidal treatment of water |
08/26/1986 | US4608241 Distillation, condensing phosphorus with water, smelting in a furnace, forming phosphorus oxide, and hydrolysis |
08/26/1986 | US4608180 Separation process |
08/26/1986 | US4608175 Integral waste disposal system |
08/26/1986 | US4608165 For upper region of tank contained liquid |
08/26/1986 | US4608163 Apparatus for purification of contaminated groundwater |
08/26/1986 | US4607501 Condensing and collecting vapors emanating from a land surface |
08/26/1986 | CA1210474A1 Indexing controller system and method of automatic control of cooling water tower systems |
08/21/1986 | EP0157793A4 Method for removing insoluble sulfide pads at oil/water interfaces. |
08/21/1986 | EP0111509A4 Apparatus for universal water treatment. |
08/20/1986 | EP0191679A1 Process for the oxidation of dissolved or suspended substances in an aqueous solution |
08/20/1986 | EP0191483A2 Method and apparatus for biological aerobic wastewater treatment |
08/20/1986 | CN86100366A Biological purification and purifying equipment of waste water |
08/19/1986 | US4606893 Swimming pool chemical dispenser |
08/19/1986 | US4606830 Treatment of effluent liquors |
08/19/1986 | US4606829 Multistage process of adding iron to acidic medium, precipitating in alkaline medium |
08/19/1986 | US4606828 Etched alloy projections, depressurization, crystallization |
08/19/1986 | US4606823 Attachable to faucets or water pipes; valve assembly |
08/19/1986 | US4606794 For households or desalinating seawater |
08/19/1986 | CA1210168A1 Use of polycondensation products of acrolein and formaldehyde for removing hydrogen sulphide and iron sulphide in aqueous systems |
08/19/1986 | CA1209978A1 Sorbent comprising spherical particles of activated carbon treated with a non-crystalline compound of zirconium and process for preparing thereof |
08/19/1986 | CA1209954A1 Electrostatic water treater |
08/14/1986 | WO1986004585A1 Process and system for the flocculation substances which can be flocculated in suspensions, especially for cleaning the discharge water of deinking plant |
08/14/1986 | WO1986004517A1 Installation with a heat absorbing and heat releasing process part as well as with heat supply part containing an absorber installation |
08/13/1986 | EP0190975A1 Process and installation for treating waste water |
08/13/1986 | EP0190764A1 Process and system for disposing of radioactive liquid waste |
08/13/1986 | EP0190741A1 Pump-water wheel system |
08/13/1986 | EP0190739A2 Water-Deionizing system |
08/13/1986 | EP0190637A1 Process and apparatus for removing elementary oxygen by a reduction agent in a cooling liquid circulating in one or more closed circuits |
08/13/1986 | EP0190599A2 Device for the treatment, particularly softening and/or total demineralization of water |
08/13/1986 | EP0190545A1 Apparatus for scale elimination and inhibition |
08/13/1986 | EP0190478A1 Method of reducing the nickel content in waste water |
08/13/1986 | EP0190395A2 Process for removing Thiosulfate |
08/13/1986 | EP0190122A1 Method and device for the treatment of water by means of electrolysis |
08/13/1986 | CN85100681A Continuous liquid-phase switching ion-exchange treatment process |
08/12/1986 | US4605640 Oil-absorbent cellulosic derivatives |
08/12/1986 | US4605499 Disposable, portable-drinking water |
08/12/1986 | US4605498 Apparatus for magnetic treatment of liquids |
08/06/1986 | EP0189561A1 Apparatus for haemodiafiltration |
08/06/1986 | EP0189401A1 Electrostatic water treatment and electrode therefor. |
08/06/1986 | CN85100185A Waste water from luminous powder treatment by pptn. |
08/06/1986 | CN85100116A Centrifugal extraction technique for recovering wool degrass from wool washing water |
08/05/1986 | US4604321 Conjugated diolefin polymer on porous support |
08/05/1986 | US4604215 Waste treatment; reducting oxygen demand |
08/05/1986 | US4604214 Removal of nitrocresols from dinitrotoluene waste streams using fentons reagent |
08/05/1986 | US4604213 Polymers of 1-acryloyl-4-methyl piperazine, methyl chloride or sulfate quaternary salts as flocculants |
08/05/1986 | US4604194 Reverse osmosis; drinking and cooking purposes |
08/05/1986 | CA1209057A1 Microporous filter system and process |
08/05/1986 | CA1208874A1 Water sterilization system |
07/31/1986 | WO1986004348A1 Hygienization of water-miscible cooling lubricant emulsions by irradiation with hard gamma rays |
07/31/1986 | WO1986004340A1 New stable water-in-oil dispersions of water-soluble cationic polymers based on salified or quaternized dimethylaminoethyl acrylate, production process and their application as flocculants |
07/30/1986 | EP0189373A2 Anionic modified polysaccharides, process for their preparation and their use |
07/30/1986 | EP0189155A1 Method for reduction of sewage sludge from sewage clarification plants |
07/30/1986 | EP0188507A1 A method for neutralizing waste sulfuric acid by adding a silicate. |
07/30/1986 | EP0188483A1 Process and system for sludge processing |
07/30/1986 | CN85204463U Defluornation water purifier |
07/30/1986 | CN85202067U Combination water purifying equipment with fluidics-labyrinth and sloping cam plate |
07/30/1986 | CN85100955A Treatment process for hospital sewage in cold area |
07/29/1986 | US4603006 Antifouling agents |
07/29/1986 | US4603001 Apparatus and method for filtering a fluid |
07/29/1986 | US4602999 Method for removing a silicic compound from the waste liquor of steel pickling |
07/29/1986 | CA1208741A1 Microcomputer controlled demand/scheduled water softener |
07/29/1986 | CA1208621A1 Particulate oil-absorbing composition and process of using the same to absorb oil |
07/29/1986 | CA1208411A1 Algae controlling device |
07/24/1986 | EP0122270A4 Separation of multi-phase systems. |
07/23/1986 | EP0187880A1 Process and apparatus for the treatment of liquids, particularly the deionisation of aqueous solutions |
07/23/1986 | CN85102655A Electrochemical treatment of bacteria containing sewage |
07/22/1986 | US4602162 Monitoring port for ultraviolet water purification systems |
07/22/1986 | US4601831 Antimicrobial adjustment technique |
07/22/1986 | US4601822 Swimming pools |
07/22/1986 | US4601808 Ion exchange resin chambers; efficient |
07/22/1986 | US4601789 Water purification apparatus |
07/22/1986 | CA1208022A1 Process and apparatus for recovery of water from dispersions of soot and water |