Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
09/1976
09/14/1976US3980417 Apparatus for incinerating non-halogenated waste liquids
09/07/1976US3979441 Dispersants, viscosity modifiers
09/07/1976US3979349 Acrylic ester copolymer
09/07/1976US3979297 Membrane support-plates for fluid separating apparatus and apparatus using such support-plates
09/07/1976US3979287 Adsorption process
09/07/1976US3979286 Removal of heavy metal ions from aqueous solutions with insoluble cross-linked-starch-xanthates
09/07/1976US3979285 Process for the purification of industrial effluents
09/07/1976US3979266 Process for purifying aqueous solutions, of metal ions precipitating as arsenides, antimonides, tellurides, and selenides
08/1976
08/31/1976US3978506 Apparatus and method for neutralizing waste photographic fluids
08/31/1976US3977970 Water treatment, saturation with air or gas, gravity filter
08/31/1976US3977969 Coagulation with polyoxyethylene glycol or polyacrylamide
08/31/1976US3977959 Tungsten-iron alloy, tantalum metal, alloy, carbide or boride
08/31/1976US3977952 Process for decomposing carbon-containing compounds
08/31/1976US3977951 Fluidized beds
08/24/1976US3976742 Metal extraction process using quaternary ammonium thiocyanates
08/24/1976US3976604 Preparation of ethylenimine prepolymer
08/24/1976US3976593 Triethanolamine bisulfite, corrosion inhibitor
08/24/1976US3976575 Liquid aeration device
08/24/1976US3976571 Extraction
08/24/1976US3976570 Method and apparatus for removing contaminants from the surface of a body of water
08/24/1976US3976465 Sterilized organic waste product and process of producing same
08/24/1976US3976445 Recarbonation process and apparatus
08/24/1976US3976242 Self-emptying clarifying separator having a foam-free removal of the clarified liquid by means of a paring disk and an automatically operating system for detecting the level of the solids in the sludge chamber
08/24/1976US3976220 Chlorinator having trip device actuated by line pressure difference
08/17/1976US3975496 Process for settling red mud in the digestion of bauxite
08/17/1976US3975298 Spill control composition and use thereof
08/17/1976US3975284 Process for the manufacture of solutions of halogens
08/17/1976US3975271 Process for sterilizing water by the combination of chlorine and another halogen
08/17/1976US3975270 Process for recovering usable olive-processing liquor from olive-processing waste solution
08/17/1976US3975269 Purification of industrial waste waters by flotation
08/17/1976US3975267 Water purification
08/17/1976US3975266 Dewatering process
08/17/1976US3975257 Apparatus for removing particles and chemicals from a fluid solution
08/17/1976US3975256 Apparatus for treatment of aqueous sewage composition
08/17/1976US3975247 Treating sewage and recovering usable water and solids
08/17/1976US3975246 Electrolytic
08/17/1976US3975241 Distillation apparatus
08/17/1976US3974847 Liquid additive dispenser
08/10/1976US3974216 Process for recovering ammonium organic salts from aqueous solutions
08/10/1976US3974075 Toilet system
08/10/1976US3974071 Water conditioning device
08/10/1976US3974070 Process for purifying tap water
08/10/1976US3974051 Electrolysis
08/10/1976US3974049 Electrochemical process
08/10/1976US3974039 Distillation
08/10/1976US3973987 Reverse osmosis
08/03/1976US3973034 Bactericide, fungicide
08/03/1976US3972939 Process for the preparation of polyethylene-polyamine salts of low viscosity
08/03/1976US3972772 Filter
07/1976
07/27/1976US3971947 Ultraviolet water purifier
07/27/1976US3971847 Hydrogen-rich gas generator
07/27/1976US3971845 Recovery of hydrofluoric acid from aqueous fluosilicic acid
07/27/1976US3971730 Chlorinating composition of chlorine monoxide in 1,1,1-trichloroethane
07/27/1976US3971717 Chlorophenol, decomposition
07/27/1976US3971707 Electrolysis
07/27/1976US3971338 Aquarium apparatus
07/20/1976US3970755 Lauryl benzyl dimethyl ammonium chloride, 1,2-benzisothiazolin-3-one
07/20/1976US3970739 Process for concurrently treating process waste waters and flue gases from ammonia synthesis process plants
07/20/1976US3970691 Etherification of bark extracts
07/20/1976US3970605 Method for recovering vinyl sulfonate monomers
07/20/1976US3970604 Method for recovering vinyl sulfonate monomers
07/20/1976US3970562 Aggregation treatment apparatus for waste water
07/20/1976US3970554 Process for detoxification of cyanides and nitriles with peroxygen compounds
07/20/1976US3970553 Heavy metal adsorbent process
07/20/1976US3970536 Liquid treating method and apparatus
07/20/1976US3970531 Decreasing the cyanide and heavy metal content of an aqueous solution
07/20/1976US3970530 Or limitation of the reproduction of micro-organisms in nutritive media
07/20/1976US3970525 Atmospheric effects still
07/20/1976US3970512 Falling film evaporator
07/13/1976US3969329 Process for producing high molecular weight acrylamide water-soluble polymers by controlling the viscosity of the polymerization reaction medium with a water-miscible organic solvent
07/13/1976US3969246 From waste water
07/13/1976US3969245 Electrocoagulation system for removing pollutants from wastewater
07/13/1976US3969244 Method of adsorbing heavy metals
07/13/1976US3969239 Method for using macroamine polymers as flocculating agents
07/13/1976US3969216 Flotation separation
07/13/1976US3969215 Process and apparatus for removing metallic ions from an electrolytic solution
07/13/1976US3969203 Electrolytic
07/13/1976US3969194 Method and apparatus for the purification of a liquid contaminated with radioactive substances
07/13/1976US3969193 Method for preventing scale in saline water desalting apparatus and saline water reclamation apparatus for carrying out said method
07/06/1976US3968240 α-Chloro-o-acylbenzaldoxime derivatives as slime control agents
07/06/1976US3968037 Emulsion polymerization of cationic monomers
06/1976
06/29/1976US3966904 Quaternary ammonium co-polymers for controlling the proliferation of bacteria
06/29/1976US3966804 Anion exchanging
06/29/1976US3966789 Fungicides
06/29/1976US3966630 Use of polyquaternary ammonium methylene phosphonates in chelating or scale inhibition
06/29/1976US3966602 Process and apparatus for reclaiming and regenerating spent solvent
06/29/1976US3966601 Dithiocarbamates precipitation with iron or copper
06/29/1976US3966600 Acidification, neutralization, flocculation
06/29/1976US3966598 Circular dissolved gas flotation system
06/29/1976US3966597 Oil or organic solvent-absorbent
06/29/1976US3966594 Solvent extraction with tertiery amine and alkali
06/29/1976US3966571 Method of operating a dynamically packed bed electrode electrochemical cell system
06/29/1976US3966569 Method of recovering metal from metalliferous waste
06/29/1976US3966562 Multi-stage flash distillation plant
06/29/1976US3966541 Concentration of underground brines in situ by solar evaporation
06/29/1976US3966508 Treating waste discharge liquids from metal hardening baths, particularly containing nitrite and nitrate compounds
06/29/1976US3966450 Hydrogen peroxide, adjusting the ph with a mineral acid
06/22/1976US3965265 Reaction product of caprolactam and n-alkyl alkylenediamine
06/22/1976US3965264 Diels-alder adduct of a phosphoramidate and a dienophile
06/22/1976US3965249 Decompose hypochlorite