Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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01/03/1984 | US4424248 Areal flat stratified body for treating gases or liquids, method for the manufacture thereof and use of such stratified body |
01/03/1984 | US4424148 Process for preparing wastes for non-pollutant disposal |
01/03/1984 | US4424126 Apparatus for removing heavy metals from aqueous liquids |
01/03/1984 | US4424098 Falling film evaporator |
01/03/1984 | CA1159980A1 Stable, pumpable, solvent-free polyampholyte latices, their preparation and use in paper |
01/03/1984 | CA1159781A1 Microbiological recovery of metals |
12/28/1983 | EP0097082A1 Apparatus for the selective and continuous recovery of hydrocarbons forming a layer on the surface of an aqueous medium |
12/28/1983 | EP0096759A2 Method of reducing or oxidizing components in an aqueous solution |
12/27/1983 | US4422944 Flocculant is water soluble polymer of aniline, formaldehyde, and a polyamine |
12/27/1983 | US4422943 Method for precipitation of heavy metal sulfides |
12/27/1983 | US4422935 Apparatus for magnetic treatment of water or other liquids |
12/27/1983 | US4422934 Magnetic device for the treatment of calcareous fluids |
12/27/1983 | US4422933 Magnetic water conditioning device |
12/27/1983 | US4422932 Device for the removal of heat from waste water |
12/27/1983 | US4422919 Water treatment |
12/27/1983 | US4422917 Electrode material, electrode and electrochemical cell |
12/27/1983 | US4422855 Method of thickening solutions using normally nongelling clays |
12/22/1983 | WO1983004377A1 Apparatus for universal water treatment |
12/22/1983 | WO1983004376A1 Deposition flocculant for use in water treatment |
12/21/1983 | EP0096676A2 Method and device in manufacturing foamed urea formaldehyde material to be used as a sorbent |
12/21/1983 | EP0096670A1 Apparatus for separating solid particles from a liquid |
12/21/1983 | EP0096377A1 Apparatus for producing highly pure sterile water |
12/21/1983 | EP0096257A2 Apparatus for reducing or oxidizing components in an aqueous solution |
12/21/1983 | EP0096244A2 Polluted water-treating agent |
12/20/1983 | US4421923 Reaction of a bisphenol ether with epichlorohydrin |
12/20/1983 | US4421652 Fluid treating method |
12/20/1983 | US4421649 Method and apparatus for enriching compounds of low water solubility from aqueous suspensions of substantially inorganic solid substances |
12/20/1983 | US4421648 Apparatus and a method for biological treatment of waste waters |
12/20/1983 | US4421606 High heat efficiency, desalting sea water |
12/20/1983 | US4421605 Distillation apparatus utilizing thermocompressor principles |
12/20/1983 | US4421534 Tower for removing odors from gases |
12/20/1983 | US4421521 Process for agglomerating carbon particles |
12/20/1983 | US4420949 Seawater ice making apparatus |
12/20/1983 | CA1159013A1 Bypass water conditioner |
12/20/1983 | CA1159011A1 Generation of chlorine/chlorine dioxide mixtures |
12/20/1983 | CA1159008A1 Reactor with working and secondary electrodes and polarity reversal means for treating waste water |
12/20/1983 | CA1159003A1 Apparatus for removing salts and foreign matter from liquids (water) |
12/20/1983 | CA1158808A1 Process for preventing penetration or adhesion of oil on grounds, sands or objects |
12/13/1983 | US4420643 Extraction of phenols from aqueous solutions |
12/13/1983 | US4420590 Ion exchange resins |
12/13/1983 | US4420573 Synthetic rubbers, brines |
12/13/1983 | US4420463 Dry chemical feed system |
12/13/1983 | US4420401 Solution waste treatment |
12/13/1983 | US4420400 Hydrocarbon products damage control systems |
12/13/1983 | US4420394 Solid granular chlorine dispenser for swimming pools |
12/13/1983 | US4420375 Solar still |
12/13/1983 | US4420374 Water degasification and distillation apparatus |
12/13/1983 | US4420373 Energy conversion method and system |
12/13/1983 | US4420369 Bleaching, acidification, sludge |
12/13/1983 | US4420318 Melting, heat exchanging |
12/13/1983 | CA1158786A1 Water conditioner system controls |
12/13/1983 | CA1158599A1 Apparatus for electrochemical purification of contaminated liquids |
12/13/1983 | CA1158595A1 Scale control for sea water evaporators using an acrylic acid methyl acrylate copolymer |
12/13/1983 | CA1158566A1 System for separating and collecting oily materials from water expanses |
12/13/1983 | CA1158444A1 Metal recovery process |
12/08/1983 | WO1983004185A1 Purification apparatus |
12/07/1983 | EP0095978A1 Process for treating water by means of ferric polychloride |
12/06/1983 | US4419247 Method of removing soluble sulfide residue from scrubber water waste |
12/06/1983 | US4419246 Removal of heavy metal ions |
12/06/1983 | US4419235 Gravity fed water treatment apparatus |
12/06/1983 | US4419233 Chlorinator for a swimming pool |
12/06/1983 | US4419207 Preventing caustic soda migration |
12/06/1983 | US4419206 Electronic water treating device |
12/06/1983 | US4418549 Apparatus for extracting potable water |
12/06/1983 | CA1158231A1 Method of heat extraction from an aqueous carrier medium |
12/06/1983 | CA1158222A1 Anionic adsorbent |
12/06/1983 | CA1158019A1 Oxidation of organics in aqueous salt solutions |
12/01/1983 | EP0091469A4 Method of immobilizing organic contaminants and non-flowable matrix produced therefrom. |
12/01/1983 | EP0090842A4 Method of removing organic contaminants from aqueous compositions. |
12/01/1983 | EP0090027A4 Method of breaking emulsions. |
11/30/1983 | EP0095144A1 Treatment of condensates from gases |
11/29/1983 | US4418221 Solvent extraction with a nitrogen containing heterocyclic compounds |
11/29/1983 | US4418043 Process for separating metals from aqueous solutions |
11/29/1983 | US4418014 Process for the manufacture of sulphur which can be recycled |
11/29/1983 | US4417996 Aqueous basic polyaluminum-iron halide solutions |
11/29/1983 | US4417987 Metal cyanide complex removal |
11/29/1983 | US4417985 Surfactant stabilized gas bubbling, direct nucleation |
11/29/1983 | US4417963 Process for removing cyanide ions from solutions |
11/29/1983 | US4417951 Distiller and evaporator for sea water |
11/29/1983 | CA1157973A1 Regeneration of cation ion-exchange polishers |
11/29/1983 | CA1157972A1 Water softening and reverse osmosis system |
11/29/1983 | CA1157809A1 Apparatus for electrochemical purification of contaminated liquids |
11/29/1983 | CA1157797A1 Separation of oil from water |
11/29/1983 | CA1157712A1 Dynamic membrane process on moving porous support |
11/24/1983 | WO1983003984A1 Method for the treatment of a liquid phase, particularly method for desalting aqueous solutions, as well as device for its implementation |
11/23/1983 | EP0094547A2 Plant for eliminating infiltrated water and putrid gas from landfills |
11/23/1983 | EP0094527A1 Process for treating liquid chlorinated hydrocarbon wastes containing iron |
11/23/1983 | EP0094447A1 Method and apparatus for the evaporation of liquids from mixtures of liquids |
11/22/1983 | US4416860 Method and apparatus for recovering raw material, especially uranium, from natural waters, especially from the sea |
11/22/1983 | US4416854 Method for killing water borne microorganisms |
11/22/1983 | US4416798 Continuously steaming and recycling fractions of spent adsorptive material |
11/22/1983 | US4416786 Process for the treatment of continuous waste water streams having changing contents of different oxidizable materials with hydrogen peroxide |
11/22/1983 | US4416780 Method to upgrade sewage treatment plants overloaded in continuous operation |
11/22/1983 | US4416779 Method for producing an aqueous solution of high phosphorous content |
11/22/1983 | US4416773 Valve mechanism for multiple distributor fluid treatment system |
11/22/1983 | US4416767 Method and apparatus for the removal of excess sodium reagent and byproducts of reaction produced during the destruction and removal of polychlorinated biphenyls from oil |
11/22/1983 | US4416747 Process for the synthetic production of ozone by electrolysis and use thereof |
11/22/1983 | CA1157588A1 Method for the removal of free and complex cyanides from water |
11/22/1983 | CA1157587A1 Process and apparatus for absorbing ozone |
11/22/1983 | CA1157422A1 Electrochemical purification of heated contaminated liquid using cooled electrolyte and soluble electrode |