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)
09/1982
09/14/1982US4349068 Method for improved heat transfer
09/14/1982CA1131813A1 Marine sewage disposal
09/14/1982CA1131812A1 Water purification process
09/14/1982CA1131565A1 Apparatus for taking up oil from a water surface
09/14/1982CA1131435A1 Hydroquinone and mu-amine compositions as oxygen scavengers for use in aqueous mediums
09/08/1982EP0059623A1 A method of purifying liquid using oxine-impregnated activated charcoal and apparatus therefor
09/08/1982EP0059516A1 Process for the removal of urea, ammonia and carbon dioxide from dilute aqueous solutions
09/08/1982EP0059359A1 Ultrasonic apparatus, particularly for liquid processing
09/08/1982EP0059350A1 Waste solution treatment module
09/08/1982EP0059275A1 Reverse osmosis apparatus and method of using integral valve
09/08/1982EP0059235A2 Dehydration means for a solvent recuperation device in a high speed printer
09/08/1982EP0059227A1 Flotation process for the continuous recovery of silver or silver compounds from solutions or dispersions
09/08/1982EP0059205A1 Fluid treatment apparatus.
09/07/1982US4348289 Water treatment method to remove dissolved oxygen therefrom
09/07/1982US4348287 Zirconium compounds as flotation aid
09/07/1982US4348261 Method for distilling a liquid
09/07/1982US4347704 Thermal power plant water treatment process
09/07/1982CA1131371A1 Foam flotation activated sludge process
09/07/1982CA1131195A1 Ultrahydrophobic zeolite y
09/07/1982CA1131168A1 Disinfection device
09/07/1982CA1131167A1 Electrolytic cell for a disinfection device
09/07/1982CA1131157A1 Method for removal of ammonia and ammonium salts from industrial waste water
09/01/1982EP0058807A1 Derivation valve for a liquid-treatment apparatus
09/01/1982EP0058794A1 Composition and method for treating an aqueous medium
09/01/1982EP0058786A1 Stable aqueous alkali metal aluminate solutions
08/1982
08/31/1982US4347385 Process for the separation of sulfur compounds from water
08/31/1982US4347224 Chemical dispenser
08/31/1982US4347144 Process for the purification of effluent
08/31/1982US4347142 Effluent treatment in a non-polluting toilet system
08/31/1982US4347141 Process for removal of radioactive materials from aqueous solutions
08/31/1982US4347140 Installation for and a method of spreading clayey mud and reclaiming land
08/31/1982US4347136 Bacteria static filter assembly
08/31/1982US4347135 Apparatus for superflocculating and thickening a sludge
08/31/1982US4347133 Electromagnetic ground water conditioning system and sampling device for waste water and fermentation makeup water
08/31/1982US4347132 Reverse osmosis expansible pressurized permeate storage having permeate and concentrate controls
08/31/1982CA1130935A1 Process for treating waster water
08/31/1982CA1130897A1 Automatic chlorine distributor
08/31/1982CA1130667A1 Waste heat recovery cycle for producing power and fresh water
08/25/1982EP0058648A1 A device for automatic circulation in sewage water pump station
08/25/1982EP0058636A1 Apparatus for recovery of heat from waste water and method of its operation
08/25/1982EP0058304A1 A water-purification unit with constant-flow valve
08/25/1982EP0058303A1 A water-purification unit with a liquid cooled pump motor
08/25/1982EP0058274A1 Algicidal composition and method of controlling the growth of algal microorganisms in aqueous systems
08/24/1982US4346217 Di-quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids
08/24/1982US4345996 For flow coupling to satellite reaction and supply units
08/24/1982US4345981 Periodic reversal of current; prevention of evolution of chlorine
08/24/1982US4345975 Process for preventing blockage in distillation column of treatment apparatus for ammoniacal waste liquid
08/24/1982US4345971 In heat transfer apparatus
08/19/1982WO1982002673A1 A water-purification unit with constant-flow valve
08/19/1982WO1982002672A1 A water-purification unit with liquid-cooled pump motor
08/18/1982EP0058148A2 Method of rejuvenating spent process- or leaching-liquors for metal-containing materials or ores by liquid-liquid extraction
08/18/1982EP0058085A2 Thermal energy conversion
08/17/1982US4344847 Electricity, water treatment
08/17/1982US4344846 Filtration using expanded styrene-polymer and polyolefin micro-bits
08/17/1982US4344824 Recirculating natural convection solar still
08/17/1982US4344778 To produce liquid water from moisture in the air
08/17/1982CA1130024A1 Multi stage flocculation treatment system
08/17/1982CA1130023A1 Method of treating pulp bleaching effluents
08/17/1982CA1130022A1 Removal of suspended matter, dissolved organics, and emulsions from effluents
08/17/1982CA1130021A1 Oxygen recycle type ozonizing apparatus
08/17/1982CA1130018A1 Flotator
08/17/1982CA1129883A1 PREPARATION OF .alpha.,.beta.-UNSATURATED CARBOXYLIC ACID N-SUBSTITUTED-AMIDES, AND POLYMERS THEREOF
08/17/1982CA1129878A1 Copper (ii) alkanolamine complexes useful as algacides and herbicides
08/17/1982CA1129783A1 Process for separating hydrophobic organic liquids from water
08/17/1982CA1129752A1 Disinfectant chlorinated cyanurate containing compositions and method of use
08/11/1982EP0057500A1 Bypass water conditioner
08/10/1982US4343920 Ethylenediaminetetraacetic acid bound to polymers
08/10/1982US4343730 Water and sewage treatment
08/10/1982US4343713 Particulate composition
08/10/1982US4343707 Method and apparatus for separating out solids suspended in flowing, pure water systems
08/10/1982US4343706 Method of removing heavy metals from industrial waste streams
08/10/1982US4343683 Distillation, solar energy
08/10/1982US4343680 For cleaning up oil spills
08/10/1982CA1129567A1 Method and a device for removing from a liquid undesired components dissolved therein
08/10/1982CA1129375A1 Combination electrolytic and electrostatic treater
08/10/1982CA1129188A1 Fixation by ion exchange of toxic materials in a glass matrix
08/10/1982CA1129174A1 Process for recovery of chemicals from saline water
08/05/1982WO1982002542A1 Method for purifying waste waters
08/04/1982EP0056926A1 Waste water recycling and treatment by adsorption of non-biodegradable substances such as humic and sulfonic acids, melanoidine and chlorinated organics on lignite coke, in all kinds of solid-liquid reactors
08/04/1982EP0056855A2 Preparation of infusion grade water
08/04/1982EP0056850A1 Method of partial demineralization of waters by combining weak acid and basic ion-exchanger material and following ion-exchanger material regeneration
08/03/1982US4342915 Apparatus for preventing bacterial passage into sterile fluid systems
08/03/1982US4342830 Softening organic material by heat and pressurization
08/03/1982US4342655 Deploying a barrier, removing the oil and adding a dispersant
08/03/1982US4342653 Process for the flocculation of suspended solids
08/03/1982US4342652 Process for scale inhibition in evaporative desalination units
08/03/1982US4342651 Process and apparatus for producing sterilized and bacteria-free water
08/03/1982US4342650 Organic sludge-energy recycling method
08/03/1982US4342625 Modular automatic water distiller
08/03/1982US4342623 Portable water distiller
08/03/1982US4342584 Microbiocidal process using di-quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids
08/03/1982US4342420 Device for separating liquids, especially whole blood
08/03/1982CA1129122A1 Aeration apparatus
07/1982
07/28/1982EP0056793A1 A pumpable composition for water-purifying purpose containing iron(II)sulphate
07/28/1982EP0056759A2 Device for feeding and evacuating liquid electrolyte in filter-press type electrolysis cells
07/27/1982US4341641 Oxidation with ozone
07/27/1982US4341639 Wastewater treatment
07/27/1982US4341637 Removing and collecting oil
07/27/1982US4341632 Destruction of bulking sludge
07/27/1982US4341630 Arrangement for separation of a suspension or emulsion from liquids by flotation
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