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)
11/1982
11/09/1982US4358204 Ultrasonic cleaning apparatus
11/09/1982US4357953 Apparatus for slurrying powdered solids
11/09/1982CA1135446A1 Amine polymers having dewatering activity
11/09/1982CA1135241A1 Method of collecting oil using diatomaceous earth and compositions used in such method
11/03/1982EP0063829A1 Treatment of waste waters and gases containing organic sulphur compounds
11/03/1982EP0063821A1 A process for the treatment of sulfide containing waters
11/03/1982EP0063791A1 Process and apparatus for separating dispersed phases from dispersions
11/02/1982US4357242 Water purification method and apparatus
11/02/1982US4357237 Device for the magnetic treatment of water and liquid and gaseous fuels
11/02/1982US4357212 Energy efficient apparatus for vaporizing a liquid and condensing the vapors thereof
11/02/1982US4356785 Transportable process modules
11/02/1982CA1134965A1 Method and equipment for processing of organic materials containing nitrogen compounds
11/02/1982CA1134755A1 Adsorption and filtration mat for liquids
10/1982
10/27/1982EP0063560A1 Process for the simultaneous purification and detoxication of waste waters or solutions that contain Cr (VI)
10/27/1982EP0063524A1 Distillation device using solar energy
10/27/1982EP0063236A1 Device for treating wash waters with ion-exchangers
10/27/1982EP0063146A1 Biological and chemical conversion processes in liquid phase-system
10/26/1982US4356156 Zeolites bearing fluoride anions
10/26/1982US4356089 Recovery of oil
10/26/1982US4356015 Desalinization process
10/26/1982CA1134281A1 Rotary shaft driven reverse osmosis method and apparatus
10/26/1982CA1134259A1 Downhole separator for wells
10/26/1982CA1134146A1 Slag discharge
10/20/1982EP0062981A2 Method of treating water-in-oil dispersions
10/20/1982EP0062944A1 Apparatsu for producing fresh water from sea water by means of reverse osmosis
10/20/1982EP0062848A1 Method and apparatus for the sanification of surface waters
10/20/1982EP0062804A2 Process for eliminating molybdenum from aqueous salt solutions
10/19/1982US4355137 Recovery of heavy metals from solution by extraction with cross-linked vegetable protein
10/19/1982US4355014 Stable calcium hypochlorite composition and method for manufacture thereof
10/19/1982US4354945 Clarification process with thiazine quaternary ammonium salts of polyepihalohydrin
10/19/1982US4354944 Clarification of ammonium polyphosphate solutions
10/19/1982US4354942 Stabilization of mercury in mercury-containing materials
10/19/1982US4354941 Hydrocarbon or vegetable oils in sludge
10/19/1982US4354939 Reverse osmosis desalinization utilizing plural flow work exchange vessels
10/19/1982US4354937 Process for precipitating heavy metals from wastewater
10/19/1982US4354870 Precipitation, bubbling hydrogen sulfide
10/19/1982CA1134078A1 Method of, products and devices for processing polluting materials such in particular as hydrocarbons cast up by the sea, waste sludges
10/19/1982CA1134077A1 Method for reducing the formation of trihalomethanes in drinking water
10/19/1982CA1133788A1 Water-in-oil emulsions containing copolymers of maptac and acrylamide
10/14/1982WO1982003382A1 Process and composition for conditioning an aqueous system
10/14/1982WO1982003381A1 Method for the preparation of molded bodies for asepticizing water and aqueous solutions
10/13/1982EP0062543A1 Improved physical-chemical waste treatment method and apparatus
10/13/1982EP0062527A2 Granular filter medium for removing oil from oily water
10/13/1982EP0062258A1 Filter apparatus for the softening and/or complete desalination of water
10/13/1982EP0062232A1 Apparatus for sewage purification
10/12/1982US4353803 Land restoration following oil-well drilling and products useful therefor
10/12/1982US4353717 Introducing as bubbles in downward flowing water stream
10/12/1982CA1133641A2 Chromate removal by precipitation
10/06/1982EP0062016A1 An aluminium chloride composition and a method for its manufacture
10/06/1982EP0062015A1 Aluminium sulphate composition for water-purifying, paper-sizing and plant dewatering purposes and a method for producing the composition
10/06/1982EP0061854A1 Distilling apparatus which operates according to the thermocompressor principle
10/06/1982EP0061632A1 Simplified maintenance electrocoagulator
10/05/1982US4352740 Low energy requirement generation of ozone from feed gas having atleast 70% by volume oxygen
10/05/1982US4352735 Filter-purifier cartridge
10/05/1982US4352682 Gas exchanger
10/05/1982CA1133152A1 Dewatering of slimes from phosphate ores
10/05/1982CA1132938A1 Integrated waste water treatment from anodising processes, and installation for said treatment
10/05/1982CA1132916A1 Anti-pollution equipment
10/05/1982CA1132889A1 Mercury contamination indicator and decontamination aid
09/1982
09/29/1982EP0061381A1 Superheated steam generator
09/29/1982EP0061354A1 Process and composition for conditioning an aqueous system
09/29/1982EP0061169A1 Method for the elimination of anionic substances from water
09/28/1982US4351933 Vinyl substituted cyclic polyethers and addition polymers thereof
09/28/1982US4351807 Oleic acid and/or oleic acid and fatty acid with a cycloaliphatic oxime as phase transfer agent
09/28/1982US4351734 Spark cell ozone generator
09/28/1982US4351733 Process and apparatus for purification of industrial waste water
09/28/1982US4351720 Water treating apparatus
09/28/1982US4351715 Apparatus for high temperature electrodialysis
09/28/1982US4351651 Apparatus for extracting potable water
09/28/1982CA1132731A1 Method of removing halogenated or nitrated hydrocarbons or aromatic hydroxy compounds from water
09/28/1982CA1132483A1 Electronic descaling apparatus with liquid flow detector
09/28/1982CA1132335A1 Method for processing wastes resulting from production of phosphorus, namely, slime and off-gases, with utilisation of the resultant products
09/22/1982EP0060511A1 Process for the preparation of urea
09/21/1982US4350666 Dispensing solute into solvent
09/21/1982US4350620 Thermoplastic polymer
09/21/1982US4350606 Hydroxylamine or derivative and neutralizing amine for use in steam condensate lines
09/21/1982US4350599 Process for treatment of caustic waste liquors
09/21/1982US4350598 Oil in calcium hydroxide
09/21/1982US4350590 Filtration system
09/21/1982US4350587 Sewage treatment system
09/21/1982US4350575 Method for preparing an aqueous treatment solution containing at least hydrogen peroxide ions and hydroxyl ions in predetermined concentrations
09/21/1982US4350570 Water desalination method
09/21/1982US4350568 High efficiency water distillation apparatus
09/21/1982US4350143 Solar power station having groups of solar collectors
09/21/1982CA1132268A1 Dual disc pressure release valve
09/21/1982CA1132089A1 Electrochemical cell
09/21/1982CA1131861A1 Process for preparing microporous hollow fibers
09/15/1982EP0060193A1 Water treatment device using electrical impulses of a variable current strength
09/15/1982EP0060150A2 Regeneration cycle control system in a water conditioner controlled by a flow meter
09/15/1982EP0060091A2 Apparatus and method for electrolytically treating an ion containing liquid such as chromium plating rinse water
09/15/1982EP0059978A1 Process for the chemical treatment and disinfection of waters and aqueous systems
09/14/1982US4349514 Process for recovery of reusable chromic acid from the waste chromic acid solution containing impurities
09/14/1982US4349493 Briquets of hydrated calcium hypochlorite
09/14/1982US4349453 Method for processing alkaline solutions containing radioactive iodine during reprocessing of nuclear fuels
09/14/1982US4349441 For water treatment using a flocculant
09/14/1982US4349437 Automatic and continuous chemical feed system
09/14/1982US4349431 Apparatus for electrochemical purification of contaminated liquids
09/14/1982US4349430 Apparatus for electrochemical purification of contaminated liquids
09/14/1982US4349412 Method of concentrating and drying water-containing fluent media
09/14/1982US4349347 Adding a soluble alkali metal silicate prior to separation of solid impurities
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