Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
10/1978
10/03/1978US4118307 Brine electrolysis cell
10/03/1978US4118299 Mixing brine with hydrogen, ionizing into protons, migration to counterelectrode with water entrainment
10/03/1978US4118295 Chromic acid-sulfuric acid solution, electrolysis and oxidation of trivalent chromium impurities, heat treatment
10/03/1978US4118283 Apparatus for desalinating water
10/03/1978CA1039865A1 Process for the treatment of a suspension
10/03/1978CA1039663A1 Countercurrent carbon bed filter with intermittent, slurry-fed particle feed
10/03/1978CA1039646A1 COMPOSITION CONTAINING .alpha.-BROMO-P-METHYLACETOPHENOL AND 1,3-DICHLORO-ACETONE OXIME ACETATE
09/1978
09/26/1978USRE29783 Hardenable calcium sulfo-aluminate hydrates
09/26/1978US4117031 Crude oil demulsifiers
09/26/1978US4116863 Method of decontamination of radioactive effluents
09/26/1978US4116834 Apparatus for increasing the pH of waste water
09/26/1978US4116829 Magnetic separation, method and apparatus
09/26/1978US4116828 Adsorption with clay
09/26/1978US4116827 Adsorption with clay
09/26/1978US4116826 Water purification methods
09/26/1978US4116825 Water purification methods
09/26/1978US4116789 Clarifier and method
09/26/1978US4116783 Method for recovering variable-valency elements and purifying sewage waters
09/26/1978US4116757 Solar evaporation of alkaline trona-process waste pond liquors with acid black 2 and acid green 1
09/26/1978US4116652 Juices, coffee or tea extracts, beers
09/26/1978US4116630 Sterilization method
09/26/1978CA1039143A1 Composition and method for dispersing high molecular weight polymers in water
09/19/1978US4115408 Heating, separation
09/19/1978US4115339 High molecular-weight, water-soluble vinyl polymers
09/19/1978US4115274 Apparatus for desalinating water by reverse osmosis
09/19/1978US4115270 Chlorinator for swimming pools
09/19/1978US4115267 Filtration, ozone, bromine or hydrobromic acid
09/19/1978US4115266 Aggragation
09/19/1978US4115264 Method of purifying polluted water
09/19/1978US4115263 Periodic chlorination and superchlorination of recirculating swimming pool water
09/19/1978US4115261 Adsorber resins
09/19/1978US4115260 Selective removal of iron cyanide anions from fluids containing thiocyanates
09/19/1978US4115233 Treatment of aqueous dispersions
09/19/1978US4115225 Electrodialysis cell electrode reversal and anolyte recirculation system
09/19/1978CA1038986A1 Process for producing water-soluble polymers
09/19/1978CA1038755A1 Method of controlling the growth of algae
09/19/1978CA1038754A1 Method for controlling the growth of bacteria, fungi and algae and the bactericidal, fungicidal and algicidal compositions for industry
09/19/1978CA1038562A1 Method of purifying effluents from forest industries
09/12/1978US4113934 Unsaturated imidazolines
09/12/1978US4113709 Polyquaternary polythiazines
09/12/1978US4113685 Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals
09/12/1978US4113619 Waste fluid treatment system
09/12/1978US4113615 Adsorption on char
09/12/1978US4113613 Catalytically triggered decomposition releasing a gas
09/12/1978US4113612 Spontanerous, catalytically triggered decomposition releasing a gas
09/12/1978US4113571 Water distiller of boiler-condenser type
09/12/1978US4113446 Organic material reacted with water
09/12/1978US4112964 Liquid proportioner for pressure feed line
09/12/1978CA1038511A1 Removal of phosphorus from waste water
09/12/1978CA1038507A1 Waste treatment purification system
09/12/1978CA1038303A1 Apparatus for removing gas from liquid
09/12/1978CA1038254A1 Composition for treatment of waste waters and process for making same
09/05/1978US4112089 Liver disorders
09/05/1978US4111813 Hydrocarbon containment and control systems
09/05/1978US4111812 From an oil field
09/05/1978US4111811 Apparatus for collecting effluent oil
09/05/1978US4111803 Process for recovering proteinaceous matter from acid whey and tannery unhairing effluents
09/05/1978US4111802 Water treatment apparatus and method
09/05/1978US4111800 Carbonization, alkali metal meta aluminate
09/05/1978US4111768 Method of separating solids from a fluid system
09/05/1978US4111766 Process for the recovery of silver from fixing solutions
09/05/1978US4111759 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts
09/05/1978US4111679 Polyquaternary compounds for the control of microbiological growth
09/05/1978CA1038090A1 Reactor for biological water treatment
09/05/1978CA1037770A1 Process for treatment of gasification coal
08/1978
08/29/1978US4110219 Reverse osmosis water unit
08/29/1978US4110213 Compositions and processes for the dispersing of oil spillages
08/29/1978US4110212 With acidic ferrous salt
08/29/1978US4110209 Method for treating a medium containing water with coagulants
08/29/1978US4110208 Clarification process
08/29/1978US4110174 Power generation and potable water recovery from salinous water
08/29/1978US4110172 Solar energy collecting pond
08/29/1978CA1037621A1 Fluid treating apparatus and method
08/29/1978CA1037620A1 Fluid treating apparatus
08/29/1978CA1037417A1 Process and apparatus for removal of contaminants from wastes
08/29/1978CA1037386A1 Purification of waste water containing organic and inorganic impurities
08/22/1978US4109072 Addition polymers of unsaturated imidazolines
08/22/1978US4108775 Cartridge filter
08/22/1978US4108772 Contacting with zinc salts
08/22/1978US4108771 Elimination of odors from organic wastes
08/22/1978US4108770 Chromium reduction process
08/22/1978US4108769 Process for reducing the mercury content of industrial waste waters
08/22/1978US4108768 Adding calcium chloride to cause flocculation
08/22/1978US4108757 Carbon fiber electrode
08/22/1978US4108756 Bipolar electrode construction
08/22/1978US4108755 Metallic filament electrode
08/22/1978US4108754 Carbon fiber electrode
08/22/1978US4108744 Dialyzing, complexing with sodium chloride, ion exchanging
08/22/1978CA1037166A1 Process for detoxicating cyanides and nitriles with peroxygen compounds
08/22/1978CA1037016A1 Oxygen-consuming composition
08/22/1978CA1036953A1 Device for automatically extracting sludge from a water treatment apparatus and washing same
08/22/1978CA1036952A1 Process for the treatment and disposal of septic tank effluents
08/22/1978CA1036948A1 Sewage treatment system with reflux of sorbent made from sludge in a heated fluidized bed
08/22/1978CA1036931A1 Water-based microbicide formulation
08/15/1978US4107113 Autoxidisable composition
08/15/1978US4107051 Oil sorbing mat
08/15/1978US4107046 Water purifier
08/15/1978US4107045 Filter-purifier cartridge
08/15/1978US4107026 System and method for electric dewatering of solids suspension
08/15/1978US4107024 Electrolytic cell with electrodes arranged as a hexagon