Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge
More topics under "C02F - Treatment of water, waste water, sewage, or sludge" (284,577)
C02F 1 - Treatment of water, waste water, or sewage (145,124)
C02F 101 - Nature of the contaminant (7,129)
C02F 103 - Nature of the water, waste water, sewage or sludge to be treated (11,124)
C02F 11 - Treatment of sludge; Devices therefor (21,423)
C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632)
C02F 7 - Aeration of stretches of water (3,263)
C02F 9 - Multistep treatment of water, waste water or sewage (41,429)
Patents for C02F - Treatment of water, waste water, sewage, or sludge (726)
12/1985
12/03/1985US4556492 Adding hydrazine to liquid; passing through activated carbon and then ion exchange resin
10/1985
10/08/1985US4545862 Desalination device and process
06/1985
06/20/1985WO1985002605A1 Deoxygenation process and apparatus
06/06/1985WO1985002350A1 Clarifier
04/1985
04/30/1985CA1186423A1 Thiosulfate removal from aqueous streams
09/1984
09/19/1984EP0022809B1 Process and device for processing waste waters
06/1984
06/05/1984US4452696 Reverse-osmosis apparatus for producing fresh water from seawater
04/1984
04/10/1984CA1165474A1 Cyanide removal from aqueous streams
09/1983
09/14/1983EP0088315A1 Desalination device and process
02/1983
02/08/1983CA1141045A1 Method and apparatus for treating waste water
11/1982
11/08/1982EP0055705A4 Waste treatment apparatus.
10/1982
10/20/1982EP0062944A1 Apparatsu for producing fresh water from sea water by means of reverse osmosis
09/1982
09/14/1982CA1131813A1 Marine sewage disposal
07/1982
07/14/1982EP0055981A1 Water desalination system using the reverse osmosis process
07/14/1982EP0055705A1 Waste treatment apparatus
07/13/1982CA1127550A1 Process and apparatus for purifying sea water by reverse osmosis
03/1982
03/29/1982EP0041565A4 Improved anaerobic and aerobic digestion of waste and biomass by use of lactobacillus culture additives.
03/23/1982US4321137 Apparatus for processing liquids such as water and the like by reverse osmosis
02/1982
02/09/1982US4314904 Anaerobic digestion of waste and biomass by use of lactobacillus culture additives
01/1982
01/21/1982WO1982000135A1 Waste treatment apparatus
12/1981
12/16/1981EP0041565A1 Improved anaerobic and aerobic digestion of waste and biomass by use of lactobacillus culture additives
06/1981
06/25/1981WO1981001701A1 Improved anaerobic and aerobic digestion of waste and biomass by use of lactobacillus culture additives
03/1981
03/03/1981US4253957 Marine sewage disposal
07/1980
07/24/1980WO1980001484A1 Process and device for processing waste waters
10/1979
10/02/1979US4169789 Process and apparatus for purifying sea water by reverse osmosis
08/1979
08/07/1979CA1059923A1 Membrane separation of weak acids from aqueous streams
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