| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/05/1983 | EP0068895A2 Water softener control |
| 01/05/1983 | EP0068760A1 Magnetic water-conditioning device |
| 01/05/1983 | EP0068582A2 Purification process of water containing organic pollutants |
| 01/05/1983 | EP0068522A1 Process and apparatus for the synthetic preparation of ozone by electrolysis, and its application |
| 01/05/1983 | EP0068458A2 Process for treating continuous waste water streams containing variable contents of oxidizable compounds with hydrogen peroxide |
| 01/05/1983 | EP0068225A1 Use of water-soluble polymers of Di-C1-C3 alkyl-amino-neopentyl-(meth)acrylates as retention, dewatering and flocculating agents |
| 01/04/1983 | US4367410 Waste purification apparatus and method |
| 01/04/1983 | US4367215 Method of acid leaching of silicates |
| 01/04/1983 | US4367149 Water purification process |
| 01/04/1983 | US4367143 Apparatus for magnetically treating liquid flowing through a pipe and clamping means therefor |
| 01/04/1983 | US4367140 Reverse osmosis liquid purification apparatus |
| 01/04/1983 | CA1139025A1 Method and apparatus for treating heterogeneous fluid systems |
| 12/29/1982 | EP0067940A1 Sea water desalination unit |
| 12/29/1982 | EP0067870A1 Removal of hydrocarbon compositions |
| 12/28/1982 | US4366272 Method for recovering synthetic resin emulsion |
| 12/28/1982 | US4366128 Removal of arsenic from aqueous solutions |
| 12/28/1982 | US4366090 Process for the preparation of adsorbent materials |
| 12/28/1982 | US4366067 Method and apparatus for removal and recovery of oil |
| 12/28/1982 | US4366064 Treatment of blast furnace wastewater |
| 12/28/1982 | US4366063 Process and apparatus for recovering usable water and other materials from oil field mud/waste pits |
| 12/28/1982 | US4366053 Magnetic liquid treating device |
| 12/28/1982 | US4366030 Subatmospheric pressure distillation and/or cooling method and means |
| 12/28/1982 | US4365979 Water producing apparatus |
| 12/28/1982 | CA1138442A1 Process for combating micro-organisms, and novel phthalocyanine compounds |
| 12/28/1982 | CA1138349A1 Removal of toxic and odorous organics from waste water by saturated activated carbon |
| 12/23/1982 | WO1982004481A1 Apparatus for preventing bacterial passage |
| 12/23/1982 | WO1982004435A1 Process and apparatus for recovering usable water and other materials from oil field mud/waste pits |
| 12/23/1982 | WO1982004404A1 Paired stage flash evaporator having improved distillate collection |
| 12/23/1982 | WO1982004403A1 Paired stage flash evaporator having improved configuration |
| 12/22/1982 | EP0067647A1 Cationic polymer flocculant |
| 12/22/1982 | EP0067212A1 Para-anisole-containing biocide and methods for its isolation and use |
| 12/21/1982 | US4364835 Dechlorination of chlorinated water |
| 12/21/1982 | US4364834 Sedimentation apparatus having an improved skimming mechanism |
| 12/21/1982 | US4364828 Apertures for fitting and sealing in case |
| 12/21/1982 | US4364814 Apparatus for the production of aqueous alkali metal hypochlorite |
| 12/21/1982 | US4364773 Demetallization of waste water to yield filler for asphalt paving |
| 12/21/1982 | US4364747 System for regenerative thermally reversed adsorption |
| 12/15/1982 | EP0066611A1 Selective rheological separation of clays. |
| 12/15/1982 | EP0030535B1 Method and device in manufacturing foamed urea formaldehyde material to be used as a sorbent |
| 12/15/1982 | EP0016002B1 Prevention of solute deposition fouling in membrane processes |
| 12/14/1982 | US4363886 Preparation of amphoteric water-in-oil self-inverting polymer emulsion |
| 12/14/1982 | US4363749 Water clarification coagulant/adsorbent |
| 12/14/1982 | US4363734 1,3-Dihydroxy acetone as an oxygen scavenger for water |
| 12/14/1982 | US4363733 Process for water treatment by flocculation |
| 12/14/1982 | US4363732 Inlet and outlet baffle structure for sewage treatment tanks |
| 12/14/1982 | US4363728 Automatic chlorinator for swimming pools |
| 12/14/1982 | US4363713 Electrolytic halogen generators |
| 12/14/1982 | US4363703 Thermal gradient humidification-dehumidification desalination system |
| 12/14/1982 | US4363215 Catalytic oxidation with hydrogen peroxide |
| 12/14/1982 | CA1137660A1 Water purifying apparatus |
| 12/14/1982 | CA1137657A1 Method for sewage treatment with bacteria |
| 12/14/1982 | CA1137458A1 Highly absorptive macroporous polymers |
| 12/14/1982 | CA1137420A1 Geothermal brine treatment |
| 12/09/1982 | WO1982004197A1 Mobile fluid purification system |
| 12/08/1982 | EP0066544A1 Water treatment |
| 12/08/1982 | EP0066421A1 Purification of water |
| 12/08/1982 | EP0066417A1 Method of clarifying proteinaceous waste water containing solid impurities |
| 12/08/1982 | EP0066290A2 Process for the preparation of an inorganic liquid aqueous floculating agent |
| 12/08/1982 | EP0065983A1 Sewage treatment system |
| 12/07/1982 | US4362643 Coagulants, water treatment |
| 12/07/1982 | US4362631 Special trawl net for collecting floating products |
| 12/07/1982 | US4362629 Method for processing solution including heavy metal |
| 12/07/1982 | US4362628 Flocculation of particles in water |
| 12/07/1982 | US4362627 Cellular flow system and method |
| 12/07/1982 | US4362626 Ion exchanger of hydrated oxide of Ti, Zr, or Sn and cured polyester, and exchange method |
| 12/07/1982 | CA1136830A1 Conversion of extraction residues originating from phosphoric acid decontamination to solid deposition products |
| 12/07/1982 | CA1136804A1 Method of protecting organic or inorganic material from attack by microorganisms |
| 12/01/1982 | EP0065687A2 Process to carry out catalytic reactions in an aqueous medium |
| 11/30/1982 | US4361555 α-1,4-Thiazine alkanephosphonic acids |
| 11/30/1982 | US4361505 Process for treating radioactive waste |
| 11/30/1982 | US4361493 Hydrophilic substrate for sorbing heavy metals |
| 11/30/1982 | US4361487 Control of hydrogen sulfide emission from geothermal steam plants with hydrogen peroxide and sodium vanadate |
| 11/30/1982 | US4361486 Filter media, method for oxidizing and removing soluble iron, method for removing and inactivating microorganisms, and particulate filter aid |
| 11/30/1982 | US4361471 Electrolytic swimming pool chlorination |
| 11/30/1982 | CA1136779A1 Bubble generation and distribution nozzle |
| 11/30/1982 | CA1136575A1 Sea - or brackish water desalination apparatus |
| 11/30/1982 | CA1136383A1 Separation of an aqueous solution by the improved vacuum freezing high pressure ice-melting process |
| 11/25/1982 | WO1982003994A1 Method and apparatus for the purification of water |
| 11/25/1982 | EP0056054A4 Water purification system. |
| 11/24/1982 | EP0065490A1 Method of modifying the salt concentration of liquids |
| 11/24/1982 | EP0065489A1 Method of modifying the salt concentration of liquids |
| 11/24/1982 | EP0065332A1 Apparatus and method for the concentration of a liquid by evaporation |
| 11/24/1982 | EP0065258A2 Process for thickening solutions using clays which do not normally form gels |
| 11/23/1982 | USRE31087 Method for separating oil from water |
| 11/23/1982 | US4360508 Treatment of effluents |
| 11/23/1982 | US4360448 Organonitrogen ion exchange compound |
| 11/23/1982 | US4360427 Submersible water clarifiers |
| 11/23/1982 | US4360417 Dimensionally stable high surface area anode comprising graphitic carbon fibers |
| 11/23/1982 | CA1135938A1 Synthetic imogolite |
| 11/17/1982 | EP0064722A2 Process for the purification of mixtures containing water, salts, glycolate ions and organic solvents, and the application of this process to the preparation of alkali carboxymethyl polysaccharide ethers |
| 11/17/1982 | EP0064647A1 Filter media, method for oxidizing and removing soluble iron, method for removing and inactivating microorganisms, and particulate filter aid |
| 11/16/1982 | EP0059205A4 Fluid treatment apparatus. |
| 11/16/1982 | CA1135680A1 Removing halogenated hydrocarbons from aqueous media by utilizing a polyolefinic microporous adsorbent |
| 11/16/1982 | CA1135653A1 Apparatus for treatment of ammoniacal waste liquid |
| 11/11/1982 | WO1982003850A1 Device for aerating waste waters to be purified |
| 11/10/1982 | EP0064279A1 Process and apparatus for the treatment of sludge originating from chemical purification of waste water |
| 11/10/1982 | EP0064252A1 A process for the treatment of the effluent waters of mine extractive industries |
| 11/09/1982 | US4358625 Method for the production of high-purity ethylene glycols |
| 11/09/1982 | US4358382 Use of quaternized derivatives of polymerized pyridines and quinolines as water clarifiers |
| 11/09/1982 | US4358360 Dewaxing process |