Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
12/1978
12/26/1978US4131543 Method of absorbing liquids using a preparation of expanded silicate-based aggregates
12/26/1978US4131541 Removing coagulable substances from an aqueous medium
12/26/1978US4131526 Process and apparatus for removal of contaminants from water
12/26/1978US4131513 Seawater distillation apparatus
12/26/1978CA1045258A1 Recovery of fluorine and phosphate values from waste water
12/26/1978CA1045161A1 Polychlorohydrin ethers of tris-(hydroxymethyl)-aminomethane in association with polyglycol diamines
12/19/1978US4130483 Sewage treating and conversion process
12/19/1978CA1044471A1 Method and apparatus for recovery of heavy metal ions from dilute aqueous solution
12/12/1978US4129532 Uses novel class of monomers
12/12/1978US4129500 Treatment of droplet dispersions
12/12/1978US4129493 Ion exchanger
12/12/1978US4129230 Tablet dispenser
12/12/1978CA1044136A1 .omega.-AMINOCARBOXYLIC ACID AMIDES AND METHODS OF PREPARATION AND ANTIMICROBIAL USE
12/05/1978US4128477 Method for the treatment of sea discharged sewage
12/05/1978US4128424 Method for treating photographic processing fluids prior to sewering thereof
12/05/1978CA1043770A1 Retro deflecting liquid circulator and inseminator
11/1978
11/28/1978US4127488 Method and apparatus for separating solids from liquids
11/28/1978US4127482 Method of clarifying and removing water from water-solids suspensions
11/28/1978US4127467 Controlling scale
11/28/1978US4127458 Recovering platinum group metal as a stable complex
11/28/1978US4127440 Process for purifying waste water obtained by a papermaking process
11/28/1978US4127383 Lignosulfonate
11/28/1978US4127164 Heat exchange apparatus
11/28/1978CA1043482A2 Chemical treatment of waste water to remove phosphorus contaminants
11/28/1978CA1043481A1 Aerobic lagoon waste treatment system and method
11/28/1978CA1043480A2 Ozonation in waste water treatment
11/28/1978CA1043290A1 Flotation separation
11/21/1978US4126550 Flash reactor
11/21/1978US4126547 Ultrasonic oil spill removal
11/21/1978US4126526 Integration with production of chlorine
11/21/1978CA1042813A1 Providing immediate tertiary treatment to sewage with pelletized coal
11/14/1978US4125708 Chitosan modified with anionic agent and glutaraldehyde
11/14/1978US4125466 Treatment of sludge comprising biological aggregate
11/14/1978US4125465 Coagulation with mineral, mechanical dehydration
11/14/1978US4125448 Cell and electrodes for electrolytic production of insoluble metal hydroxide
11/14/1978US4125445 Electroreduction of nitrate esters
11/14/1978US4125439 Electrochemical cells and methods of electrolysis
11/14/1978US4125381 Oxidative dehydrogenation system
11/14/1978CA1042575A1 Process for regenerating an ion exchange bed
11/14/1978CA1042574A1 Process for the adsorptive removal of arsenic antimony and/or bismuth from an aqueous solution
11/07/1978US4124544 Method of producing an activated cation-retaining sorbent through formation of a microcrystalline precipitate which adheres in the pores and on the surface of the sorbent
11/07/1978US4124528 Process for regenerating adsorbents with supercritical fluids
11/07/1978US4124505 Redox potential
11/07/1978US4124504 Process for treating caustic wash solutions
11/07/1978US4124502 Process for the purification of greasy and soiled water using a heavy solvent, and apparatus for its implementation
11/07/1978US4124500 Process for the sequestration of oxygen dissolved in water and compositions useful for such purpose
11/07/1978US4124499 Sewage treatment system
11/07/1978US4124488 Water purification by reverse osmosis
11/07/1978US4124467 Method and apparatus for producing ozone
11/07/1978CA1041994A1 Prewetting air-atomized powdered polyelectrolytes
11/07/1978CA1041943A1 Method of and apparatus for waste water treatment
11/07/1978CA1041708A1 Separating sulphur in the form of hydrogen sulphide from clarified green liquor
10/1978
10/31/1978US4123358 Septic system liquid level control apparatus
10/31/1978US4123355 Sulfur dioxide, scrubbing, oxidation, acidification
10/31/1978US4123345 Gravitational separation
10/31/1978US4123341 Apparatus and process for treating contaminated water
10/31/1978US4123340 Method and apparatus for treating metal containing waste water
10/31/1978US4123339 Method and apparatus for electrochemical contaminant removal from liquid media
10/31/1978US4123235 Separation of carbon black by the use of an oxygen containing higher boiling product
10/31/1978CA1041681A1 Method for the purification of waste water
10/24/1978US4122271 Piperazinyl-N,N'-bis(dithiotincarbamates)
10/24/1978US4122031 Complex alkali metal-metal silicate material
10/24/1978US4122028 Adding quicklime and cement to form blocks
10/24/1978US4122012 Filters
10/24/1978US4122007 Reclaiming process for zeolite served for adsorbing ammoniacal nitrogen contained in sewage
10/24/1978US4121993 Electrolysis
10/24/1978US4121991 Electrolytic cell for treatment of water
10/24/1978US4121977 Power generation and potable water recovery from salinous water
10/24/1978CA1041242A1 Water-in-oil polymer dispersions with polymeric emulsifier
10/24/1978CA1041233A1 Process for the dehydration of fatty sludge and the recovery of chemicals
10/24/1978CA1041127A1 Method of rendering waste substances harmless
10/24/1978CA1041038A1 Electrolytic cell for inactivation and destruction of pathogenic material
10/19/1978WO1978000001A1 Low temperature synthesis of vitreous bodies and their intermediates
10/17/1978US4120933 Decontamination of plutonium from water with chitin
10/17/1978US4120865 Oxidation catalyst, metal complex of 2,3,7,8,12,13,17,18-tetra(1,2-benzo-4(4'-phthaloyl))-porphyrazine-2-, 22,23,24-tetraene or derivatives
10/17/1978US4120789 Reaction with a bis- or tris-guanylhydrazonium salt, decanting
10/17/1978US4120788 Oil slick removal and recovery system
10/17/1978US4120787 Deaeration by heat exchanging
10/17/1978US4120765 Electrolytic action, prevention of bubble escape
10/17/1978US4120756 Method for purifying a liquid by pressure distillation
10/17/1978US4120686 Tetramethylthiuram disulfide and aroyl-ethyl ammonium salts
10/17/1978US4120644 Apparatus for regeneration of spent active carbon
10/17/1978CA1040760A1 Water treatment with nitrogen dioxide
10/17/1978CA1040757A2 Liquid waste treatment apparatus
10/17/1978CA1040531A1 Synergistic compositions containing n-alkyl (c12-40%, c14-50%, c16-10%) dimethyl benzyl ammonium chloride and their use
10/10/1978US4119561 Adding diatomaceous earth, spray drying, roasting
10/10/1978US4119538 Treatment of waste liquid and apparatus therefor and a fertilizer composition obtained thereby
10/10/1978US4119537 Lime, sodium hydrosulfite, dispersant, surfactant
10/10/1978US4119536 Method of disposing of a ferrous-ion containing acidic aqueous waste by forming polycrystalline iron compound particles
10/10/1978US4119535 Method of sanitizing a volume of water in conjunction with chlorine
10/10/1978US4119520 Water supply system
10/10/1978US4119518 Electrolytic cell for treatment of water
10/10/1978US4119517 By anodic oxidation
10/10/1978US4119273 System for pollution suppression
10/10/1978US4119019 Water replenishing device for coffee makers
10/10/1978CA1040326A1 Process for the treatment of a suspension
10/10/1978CA1040122A1 Production of algal bio-polymers
10/10/1978CA1040048A1 Oil dispersant
10/03/1978US4118467 Treatment of gas containing hydrogen sulfide
10/03/1978US4118319 Treatment of sludge
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