Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
04/1977
04/26/1977US4019952 Method of purifying the waste water of paper mills
04/19/1977US4018894 Oxime carbonetes as fungicidal or bactericidal agents
04/19/1977US4018683 Bilge water disposal system including oil recovery means
04/19/1977US4018679 Adding alkaline metal oxide, water and surfactants to oily wastes
04/19/1977US4018656 Thermal softening and distillation by regenerative method
04/19/1977US4018645 Method of controlling slime during paper manufacture using alpha-chloro-acylbenzaldoxime derivatives
04/19/1977US4018592 Cationic polymers
04/19/1977US4018077 Apparatus for providing a controlled concentration of a substance in a flow of liquid
04/12/1977US4017735 Ultraviolet liquid sterilizer
04/12/1977US4017734 Water purification system utilizing ultraviolet radiation
04/12/1977US4017610 Inhibiting growth of bacteria, fungi and algae with a lower alkyl tri-n-octyl phosphonium diphenyl phosphate
04/12/1977US4017421 Wet combustion process
04/12/1977US4017393 Apparatus for dispensing a liquid
04/12/1977US4017392 Organic peroxides
04/12/1977US4017391 Water treatment system
04/12/1977US4017388 Phosphate precipitation with lime, sewage treatment
04/12/1977US4017276 Deoxygenation of water
04/05/1977US4016239 Recarbonation of spent oil shale
04/05/1977US4016180 Chemical concentration by adsorption
04/05/1977US4016102 Partial oxidation
04/05/1977US4016080 Fluid filter and purifying apparatus
04/05/1977US4016079 Automatic chlorine and pH control apparatus for swimming pools
03/1977
03/29/1977US4014955 Process for the manufacture of polyethers containing ionic bonds
03/29/1977US4014792 Reverse osmosis, storage
03/29/1977US4014787 Agglomeration of small particles, filtration
03/29/1977US4014767 Self-contained waste disposal system including self-cleaning filter
03/29/1977US4014766 Electrolytic treatment of waste water
03/29/1977US4014676 Water treatment for controlling the growth of algae employing biguanides
03/29/1977US4014526 Liquid moving and mixing apparatus
03/22/1977US4013761 Chlorine dioxide generation
03/22/1977US4013757 To ammonia and carbon dioxide
03/22/1977US4013585 Nitrohumic acid-containing adsorbents and process for producing same
03/22/1977US4013560 Energy production of wet oxidation systems
03/22/1977US4013559 Prefabricated panels for sub-surface sewage effluent and waste water disposal
03/22/1977US4013558 Water treatment
03/22/1977US4013557 Sewage treatment apparatus
03/22/1977US4013556 Combination flow distribution and collection apparatus
03/22/1977US4013555 Biochemical oxygen demand
03/22/1977US4013554 Method and apparatus for purifying water contaminated with anodically oxidizable organic matter
03/22/1977US4013553 Fluid treatment method
03/22/1977US4013552 Ultrasonics
03/22/1977US4013516 Apparatus and process for the pyrolysis of waste solids concentrates
03/15/1977US4012482 Scrubbing of ammonia from oxime liquid ion exchange reagents
03/15/1977US4012354 Acrylamide polymers, nonionic surfactants, soda ash
03/15/1977US4012321 Oxidation of refractory organics in aqueous waste streams by hydrogen peroxide and ultraviolet light
03/15/1977US4012320 Alkali metal silicate and silicate setting agent
03/15/1977US4012319 Floating particles with bubbles formed by flowing water over electrode grids
03/15/1977US4012318 Adjusting ph
03/15/1977US4012310 Electrostatic water treatment system
03/08/1977US4011204 Quaternary salts of methacrylic or acrylic esters and cationic quaternay polyelectrolytes and ion exchange resins thereof
03/08/1977US4011175 Composition for separating hydrocarbons from water
03/08/1977US4011161 Treatment of waste water produced in the manufacture of expandable polystyrene
03/08/1977US4011160 Or oxazine-modified polymers
03/08/1977US4011159 Method of removal of petroleum products from solid or liquid surfaces
03/08/1977US4011151 Process for purifying waste water by electrolysis
03/01/1977US4010277 Synergistic compositions containing a polyoxyethylene sorbitol hexaoleate and their use
03/01/1977US4010135 Composition and method for dispersing high molecular weight flocculant polymers in water
03/01/1977US4010110 Process for dispersing contaminants in circulating water or polar organic liquid system
03/01/1977US4010098 Resource recovery from disposal of solid waste and sewage sludge
03/01/1977US4010080 Solar powered distilling device
03/01/1977US4009706 Cationic melamine-formaldehyde acid colloid; anionic polyacrylamide
02/1977
02/22/1977US4009218 Alkylaromatic hydrocarbon dehydrogenation process
02/22/1977US4009116 Process of preparing substantially organic waste liquids containing radioactive or toxic substances for safe, non-pollutive handling, transportation and permanent storage
02/22/1977US4009104 Marine sanitation method and device
02/22/1977US4009103 Method for improving the filterability of aluminum salts precipitated from aqueous solutions
02/22/1977US4009101 Recycle treatment of waste water from nickel plating
02/22/1977US4009098 Biochemical oxygen demand from water
02/22/1977US4009082 Production of energy by direct contact of water immiscible working fluid with hot or warm water to vaporize liquid working fluid, utilization of vapor to produce mechanical energy and direct contact of spent vapor with cold or cool water to condense same
02/15/1977US4008162 Waste treatment of fluoroborate solutions
02/15/1977US4008161 Purification
02/15/1977US4008156 Device for sucking the upper layer of a polluted water surface
02/15/1977US4008153 Reactor for purification of water by fluid filtration
02/15/1977US4008136 Process for the treatment of waste water by heterogeneous photosensitized oxidation
02/15/1977US4008135 Method of deionizing solutions
02/08/1977US4007120 Oxidation and ozonation chamber
02/08/1977US4007118 Ozone oxidation of waste water
02/08/1977US4007117 Polyelectrolyte flocculant
02/08/1977US4007116 Process for the purification of waste waters with activated carbon
02/08/1977US4007115 Process for treating spent monensic acid antibiotic fermentation broth containing relatively high concentrations of fatty and proteinaceous residues
02/08/1977US4007094 Process and apparatus for recovering clean water from aqueous wastes
02/01/1977US4006247 Polymer intermediates
02/01/1977US4006081 Method for preventing gelation of thermosetting resins in waste water
02/01/1977US4006080 Process for the treatment of acidic waste liquid containing dissolved salts
02/01/1977US4006079 Oil absorbent material and method of oil removal
02/01/1977US4006071 Accumulator program for electroplating energy
02/01/1977US4005806 Apparatus for injection of hygroscopic powders into a high pressure liquid stream
02/01/1977US4005521 Locked-wrap fuel rod
01/1977
01/25/1977US4005193 Microbiocidal polymeric quaternary ammonium compounds
01/25/1977US4005043 Preparation of composition for converting hydrocarbons and fats into biodegradable aqueous emulsions
01/25/1977US4005014 Water treatment system with prolonged aeration
01/25/1977US4005011 Method for treating effluent resulting from the manufacture of synthetic dyestuffs and related intermediate chemicals
01/25/1977US4005009 Method of treating waste water containing surfactant and heavy metals
01/25/1977US4004994 Electrolytic cells
01/25/1977US4004984 Distillation plant
01/18/1977US4003832 Method of applying ozone and sonic energy to sterilize and oxidize waste water
01/18/1977US4003365 Structure for collecting solar energy
01/18/1977US4003213 Triple-point heat pump
01/11/1977US4002567 Ultrafiltration apparatus
01/11/1977US4002565 Waste-water process
01/11/1977US4002564 Cation-exchange resins having cross-linked vinyl aromatic polymer matrix with attached amino alkylene phosphonic acid groups, their use, and preparation