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