| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/26/1983 | US4395338 Straining, settling, boiling of drilling muds |
| 07/26/1983 | US4395337 Treatment of brackish water |
| 07/26/1983 | US4395336 Method of absorbing liquids |
| 07/26/1983 | US4395334 Treatment of waste water in non-evaporating dehydration of low grade coal |
| 07/26/1983 | US4395332 Adsorption and filtration mat for liquids |
| 07/26/1983 | CA1150872A1 Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic addition polymers, and nonionic and/or cationic surfactants |
| 07/26/1983 | CA1150519A1 Process for the extraction of metal ions |
| 07/26/1983 | CA1150457A1 Ultrafiltration membrane of linear polyurethane |
| 07/21/1983 | WO1983002446A1 Process for decontaminating natural and industrial sludges |
| 07/21/1983 | WO1983002445A1 A method and means for reducing the need for energy supplied to distillation processes |
| 07/20/1983 | EP0083739A1 Dishwasher incorporating an electro-chemical cell |
| 07/20/1983 | EP0034184B1 Method for recovering bromine contained in a discharge |
| 07/19/1983 | US4394270 Apparatus for the chemical conditioning of sludges |
| 07/19/1983 | US4394125 Process for bleaching textiles and for combating micro-organisms with sulfonated phthalocyanine of aluminum or zinc and containing halogen or cyano substituents as photoactivator |
| 07/19/1983 | CA1150448A1 Emulsion copolymer ion exchange resins and ion exchange process therewith |
| 07/19/1983 | CA1150174A1 System for processing soils contaminated by crude oils or other refined petroleum products |
| 07/19/1983 | CA1150063A1 Method of acid leaching of silicates |
| 07/13/1983 | EP0083522A1 Process for the preparation of a cationic aminoplast resin and its use in the treatment of water |
| 07/13/1983 | EP0083444A1 Magnetic liquid treatment device |
| 07/12/1983 | US4392963 Hemofiltration or hemodialysis |
| 07/12/1983 | US4392962 Process for separating metals from aqueous solutions |
| 07/12/1983 | US4392959 Basification, precipitation, two-stage reverse osmosis |
| 07/12/1983 | US4392957 Recovery of viscous petroleum derivatives |
| 07/12/1983 | US4392955 Sedimentation and clarification |
| 07/12/1983 | US4392917 Amphoteric water-in-oil self-inverting polymer emulsion |
| 07/12/1983 | CA1149797A1 Heavy metal adsorbents of high selectivity, process for production of same, and adsorption process |
| 07/12/1983 | CA1149796A1 Hydrophilic substrate for sorbing heavy metals |
| 07/12/1983 | CA1149754A1 Method of removing oil or similar liquids from the surface of water or a solid material |
| 07/12/1983 | CA1149657A1 Process for the preparation of a liquid-absorbing and shock-absorbing material |
| 07/07/1983 | WO1983002294A1 Procedure for clarifying liquid suspensions, particularly those produced in processes of the wood-processing industry |
| 07/07/1983 | WO1983002241A1 Water treatment device |
| 07/06/1983 | EP0082915A1 Catalytic decomposition of hypochlorite using substituted cobalt oxide spinels |
| 07/05/1983 | US4391932 Polycationic latices of dimethylaminopropyl-acrylamide, and their use of as sludge dewatering agents and/or paper retention aids |
| 07/05/1983 | US4391715 Waste treatment process |
| 07/05/1983 | US4391714 Manganese dioxide particle bed |
| 07/05/1983 | US4391704 Gas-extraction arrangement for wastewater settling tank |
| 07/05/1983 | US4391676 Arrangement for passing a first liquid close to, but without mixing it with a second liquid, for example an arrangement for sea water desalination |
| 07/05/1983 | US4391228 Falling shot heating method and apparatus |
| 07/05/1983 | CA1149523A1 Water purifier |
| 07/05/1983 | CA1149329A1 Apparatus for electrochemical purification of contaminated liquids |
| 07/05/1983 | CA1149302A1 Emulsans |
| 07/05/1983 | CA1149290A1 Method of treating waste water from fats-and-oils refining process |
| 07/05/1983 | CA1149256A1 Land restoration following oil-well drilling and products useful therefor |
| 06/29/1983 | EP0082809A1 Process and apparatus for the continuous separation of suspended matter from a polluted liquid |
| 06/29/1983 | EP0082705A1 Sea water desalination process |
| 06/29/1983 | EP0082571A1 A method for clarifying coal liquors with water-soluble, high molecular weight polymers having low concentration of cationic moieties |
| 06/29/1983 | EP0082135A1 Apparatus for preventing bacterial passage |
| 06/28/1983 | US4390445 Aluminium chloride composition and a method for its manufacture |
| 06/28/1983 | US4390432 Treatment with ultraviolet radiation and microorganisms supported on synthetic resin bed; biooxidation |
| 06/28/1983 | US4390431 Process for treating aqueous streams containing aluminum |
| 06/28/1983 | US4390429 Decanter for decanting a fluid |
| 06/28/1983 | US4390423 Apparatus for magnetic treatment of a flowing liquid |
| 06/28/1983 | CA1148749A1 Process for treating liquid container au-cn compound |
| 06/22/1983 | EP0081490A1 Paired stage flash evaporator having improved configuration |
| 06/22/1983 | EP0081486A1 Paired stage flash evaporator having improved distillate collection |
| 06/22/1983 | EP0016000B1 Scavenging apparatus |
| 06/21/1983 | US4389318 Rapidly dissolving mixtures containing trichloroisocyanuric acid |
| 06/21/1983 | US4389317 Process for chemical reduction of the phosphate content of water |
| 06/21/1983 | US4389311 Portable water purifier |
| 06/21/1983 | US4389288 Catalyzed electrochemical gasification of carbonaceous materials at anode and production of hydrogen at cathode |
| 06/21/1983 | US4388875 Evaporating concentrator for sewage sludge |
| 06/21/1983 | CA1148674A1 Separation of terpenic compounds in industrial effluents from resinous wood treatment |
| 06/21/1983 | CA1148495A1 Apparatus for desalting sea water or brackish water |
| 06/21/1983 | CA1148419A2 Reverse osmosis membrane |
| 06/15/1983 | EP0081474A2 Method and apparatus for treating substances by sublimation or evaporation |
| 06/15/1983 | EP0081332A1 Process for making starch flocculants of improved efficiency |
| 06/15/1983 | EP0081213A1 Process for the depollution of effluents from ammonium nitrate production and recuperation of the elements in these effluents |
| 06/15/1983 | EP0081211A2 Concentration of organic chemicals from dilute aqueous solutions |
| 06/14/1983 | US4388208 Aluminium sulphate composition for water-purifying, paper-sizing and plant dewatering purposes and a method for producing the composition |
| 06/14/1983 | US4388195 Process and apparatus for the chemical-mechanical treatment and purification of ground waters, surface waters and effluents |
| 06/14/1983 | US4388194 Hydrogen sulfide abatement in geothermal steam systems |
| 06/14/1983 | US4388192 Process and a device for purifying water |
| 06/14/1983 | US4388186 Sludge treating apparatus |
| 06/14/1983 | US4387638 Device for removing water from the solvent recovery system of a fast printer |
| 06/14/1983 | CA1148283A1 Method for treatment of aqueous solutions with ion exchange fibers |
| 06/14/1983 | CA1148114A1 Device for the magnetic treatment of water and liquid and gaseous fuels |
| 06/08/1983 | EP0080981A1 A method for producing an aqueous solution of high phosphorous content, recovering iron compounds constituting precipitating agents, and separating heavy metals in a sewage-water or raw-water purification plant |
| 06/08/1983 | EP0080867A1 Process for treating cyanic liquid containing copper (I) cyanide complex ion |
| 06/08/1983 | EP0080780A1 An ultraviolet fluid purifying device |
| 06/08/1983 | EP0080653A1 Method and apparatus for the removal of petroleum or petroleum fractions from water surfaces |
| 06/07/1983 | US4387029 Oxidation at above 60 and an alkaline ph; water treatment; reuse |
| 06/07/1983 | US4387025 Purifying contaminated water |
| 06/07/1983 | US4387020 For waste water treatment system |
| 06/01/1983 | EP0080168A1 Mechanical-hydraulic dosing method and apparatus |
| 06/01/1983 | EP0018366B1 Method and apparatus for effecting subsurface, controlled, accelerated chemical reactions |
| 05/31/1983 | US4386055 Air cleaners; swimming pools; water treatment; pollution control |
| 05/31/1983 | US4386005 Low molecular weight polyacrylic acid-phytic acid mixtures; synergistic |
| 05/31/1983 | US4385998 Removal of suspended solids from water |
| 05/31/1983 | US4385996 Control of trihalomethanes in water treatment |
| 05/31/1983 | US4385992 Water softener control |
| 05/31/1983 | US4385973 Process for disinfecting water |
| 05/31/1983 | US4385915 Removal of germanium from the effluent of processes for the production of optical components |
| 05/31/1983 | CA1147482A1 Process for recovering precious metals |
| 05/31/1983 | CA1147290A1 Apparatus for electrochemical purification of contaminated liquids |
| 05/31/1983 | CA1147254A1 Chemical feed system |
| 05/25/1983 | EP0079838A1 Flocculant aid and process for water purification |
| 05/25/1983 | EP0079644A1 A system for treating water |
| 05/25/1983 | EP0020661B1 Process for desalination of sea water |
| 05/24/1983 | US4385357 Water treatment system and control therefor |
| 05/24/1983 | US4385044 Treatment of contaminated Stretford solution |