C02F 1 - Treatment of water, waste water, or sewage

Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
01/1977
01/11/1977	US4002561 Method and apparatus for aerobic sewage treatment
01/11/1977	US4002525 Chemical recovery from waste liquors utilizing indirect heat exchangers in multi-stage evaporation plus contact steam stripping
01/11/1977	US4002524 Spray drying
01/04/1977	US4001147 Or oxazine modified polymerspolystyrene, removal of phenolic compounds
01/04/1977	US4001134 Scale inhibiting process
01/04/1977	US4001109 Isopropanol, cyclohexane
01/04/1977	US4001102 Electrophoresis
12/1976
12/28/1976	US4000157 Process for the treatment of effluent from the synthesis of copper phthalocyanine
12/28/1976	US4000116 Process for the manufacture of polyethers containing ionic bonds
12/28/1976	US4000069 Adding aqueous solutions of bis-triarylphosphonium salts
12/28/1976	US4000068 Polluted water purification
12/28/1976	US4000067 Method for rapid sedimentation of fine particles from suspensions
12/28/1976	US4000065 Method and apparatus for purifying aqueous streams contaminated with organic materials
12/28/1976	US4000033 Removal of color and organic matter from kraft process bleach effluents
12/21/1976	US3998756 Preparation of activated carbonaceous material from sewage sludge and sulfuric acid
12/21/1976	US3998751 Reacting an alkali metal silicate with an oxidant
12/21/1976	US3998740 Apparatus for treatment of textile desizing effluent
12/21/1976	US3998733 Detergent composition for dispersing oil spills
12/21/1976	US3998732 Method for purifying water of organic compounds not readily biodegradable
12/21/1976	US3998731 Adsorption of contaminants by granular alumina
12/21/1976	US3998730 Using an aluminum salt of a mineral acid
12/21/1976	US3998714 Two stage oxidation for disinfection of ammonia-materials
12/21/1976	US3998710 Process for electrolytically purifying a photographic waste solution
12/14/1976	US3997644 Blending polyethylene with a thermoplastic resin
12/14/1976	US3997631 Gas-liquid mixing apparatus using an ejector
12/14/1976	US3997483 Polyamidepolyamine and polyanionic polymer pretreated non-cellulosic carrier adsorption agents
12/14/1976	US3997467 Foam forming composition
12/14/1976	US3997440 Copper manganite catalyst
12/14/1976	US3997439 Zirconyl chloride
12/14/1976	US3997438 Process of treating gelatinous sludge agglomerations
12/14/1976	US3996696 Flocculation process
12/07/1976	US3996378 Water-based microbicide formulation
12/07/1976	US3996161 Active carbon and a method of preparing the same
12/07/1976	US3996148 From a carboxylic diacid and a hydrocarbon or hydroxy amine
12/07/1976	US3996135 Oxygen in aqueous fluids with a catalyst of chlorine dioxide or its salts
12/07/1976	US3996134 Alkyd resin
12/07/1976	US3996133 From a calcium and phosphate-bearing-sludge
12/07/1976	US3996126 Electrolysis of a salt water solution
11/1976
11/30/1976	US3995298 Apparatus for processing photographic film and recovering solid substances from the processing solutions used
11/30/1976	US3994830 Polyacrylamide
11/30/1976	US3994811 Protein skimmer and carbon filtration replaceable unit
11/30/1976	US3994806 Composition and method for flocculating suspended solids
11/30/1976	US3994772 Klebsiella, a-bromo-p-methylacetophenone, 1,3-dichloroacetone oxime acetate
11/30/1976	US3994420 Tablet dispensing mechanism
11/30/1976	US3994028 Toilets
11/23/1976	US3993712 Flocculants
11/23/1976	US3993562 Loop-style continuous ion exchange unit
11/23/1976	US3993559 Process for eliminating reactive chlorinated organic compounds from aqueous solutions
11/23/1976	US3993558 Method of separation of fission and corrosion products and of corresponding isotopes from liquid waste
11/23/1976	US3992900 Plural stage freeze crystallization with wash-water/concentrate interface control
11/16/1976	US3992295 Polluted water purification
11/16/1976	US3992246 Solar evaporator
11/16/1976	US3992170 Method and apparatus for melting ice in saline water conversion systems
11/16/1976	US3991781 Apparatus for and method of automatically cleaning an obstructed valve
11/09/1976	US3991205 Inhibiting growth of bacteria and fungi with t-butyl 2,4,5-trichlorophenyl carbonate
11/09/1976	US3991189 Microbiocidal methods and compositions using substituted 1,2,4-triazine-1,4-di-N-oxide derivatives
11/09/1976	US3990986 Composition for the clarification and detackification of paint spray booth wastes
11/09/1976	US3990971 Metal cyanide complex compound disposal
11/09/1976	US3990970 Polyamide, polyester
11/09/1976	US3990969 Purification of waste water from sulphate pulp bleaching plants
11/02/1976	US3989656 Dextran-alkyl methacrylate graft composition for contact lens and corneas
11/02/1976	US3989624 Method and apparatus
11/02/1976	US3989623 Process for recovery of dissolved mercury salts from aqueous solutions
11/02/1976	US3989608 Flotation process for removal of precipitates from electrochemical chromate reduction unit
11/02/1976	US3989600 Distilling H2 O from aromatic carboxylic acid at a pH exceeding 9
11/02/1976	US3989464 Alkaline hydroxide scrubbing
11/02/1976	US3989143 Upper strata chlorination of upper sections of clarifiers
10/1976
10/26/1976	US3988414 Crystallization
10/26/1976	US3988357 Bactericides, fungicides
10/26/1976	US3988259 Catalyst regeneration
10/26/1976	US3988221 Electrolytic removal of heavy metal ions using particulate silicon alloys
10/19/1976	US3987306 Treatment of material by ultra-violet irradiation
10/19/1976	US3987231 Method of antistatically treating fibrous materials
10/19/1976	US3986975 Sulfuric acid, drying, comminution
10/19/1976	US3986954 Method and apparatus for clarifying contaminated liquids
10/19/1976	US3986938 Or desalination
10/19/1976	US3986936 Solar heated evaporating and condensing unit
10/12/1976	US3985859 Vacuum stripping of ammonia
10/12/1976	US3985858 Treatment of zinc hydroxide slurry and recovery of zinc-containing product therefrom
10/12/1976	US3985651 Dispersion of polyacrylamide in polyhydric alcohol carrier
10/12/1976	US3985540 Algicides, fungicides, slimicides and bactericides
10/12/1976	US3985523 Heat exchanging
10/05/1976	US3984316 Treating foul refinery waste waters with absorber gas
10/05/1976	US3984314 Process for selective removal and recovery of cyanide values by ion exchange
10/05/1976	US3984312 Process for insolubilizing potentially water pollutable wastes from sodium or ammonium type sulfur dioxide air pollution control systems
10/05/1976	US3984311 Oxidation catalysts, bromine, iodine, nitrate ions
10/05/1976	US3984206 Apparatus for the combustion of halogenated hydrocarbons
09/1976
09/28/1976	US3983225 Recovery of sulfur from sulfur dioxide rich aqueous absorbents
09/28/1976	US3983048 Composition for accelerating oxygen removal comprised of a mixture of aqueous hydrazine and an aryl amine compound
09/28/1976	US3983033 Iron oxide seeding, electrolyte coagulation
09/28/1976	US3983032 Brine desalination process with phase-breaking by cold hydrocarbon injection
09/21/1976	US3981787 Electrochemical circulating bed cell
09/21/1976	US3981779 Inhibition of scale on saline water heat exchange surfaces with iminodiacetic acid compounds
09/21/1976	US3981766 Method of controlling fungi and bacteria in paper products
09/14/1976	US3980591 Recovery of particulate carbon from synthesis gas
09/14/1976	US3980566 Oil adsorbent; lead slag mineral wool, natural stone
09/14/1976	US3980562 Magnetic disk separator with scraper means
09/14/1976	US3980527 Distillation system having bouyant rotary helical conversion means
09/14/1976	US3980526 Liquid distillation apparatus
09/14/1976	US3980513 Process for making laminates of sheet-formed, reticulated fibrous structures

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