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)
11/1985
11/12/1985US4552664 Method and apparatus for removing ions from a liquid
11/12/1985US4552659 Apparatus for elimination of biofouling
11/12/1985US4552656 Reverse osmosis, bladder or diaphragm, chamber with fressurized air
11/12/1985CA1196739A1 Use of polycondensation products from acrolein and formaldehide as biocides
11/12/1985CA1196618A1 Metal extraction from solution and immobilized chelating agents used therefor
11/12/1985CA1196593A1 Coal liquor clarification with water-soluble, high molecular weight polymers having low concentration of cationic moieties
11/12/1985CA1196574A1 Method of controlling harmful organisms using mono- and dibromodicyanomethane and compositions containing these compounds for the control of such organisms
11/07/1985WO1985004857A1 Aid and process for dehydrating sludge
11/07/1985WO1985004817A1 Apparatus and method for removing dissolved metals from solutions containing same
11/07/1985EP0146591A4 Hydrophobic composite, method and composition.
11/06/1985EP0160527A2 Flocculants and processes for their preparation
11/06/1985EP0160152A2 Stabilized Fe2 Cl5 and a preparation method thereof
11/05/1985US4551254 Macroporous manganese dioxide water purifier
11/05/1985US4551252 Method of and apparatus for mass transfer between three liquid phases
11/05/1985US4551246 Flotation apparatus utilizing a novel floc barrier and current diverting means
11/05/1985US4551244 Gelling agent spray gun, submerged waterfoil
11/05/1985US4551217 For treating industrial waste waters through flocculation, scrubbing brushes for maintaining electrode free of adhering particles
11/05/1985CA1196430A1 Method for the anaerobic fermentation of waste water
10/1985
10/30/1985EP0159535A1 Septic tank
10/30/1985EP0159349A1 Processes for treating waste streams
10/30/1985EP0159340A1 Process for protecting lakes against eutrophization caused by subsoil water.
10/29/1985US4549985 Waste disposal process
10/29/1985US4549969 Porous molding containing catalyst
10/29/1985US4549968 Hydroquinone, acyclic amines, and ascorbic acid and salts
10/29/1985US4549967 Adding alkali metal salt to water-soluble polymer
10/29/1985US4549966 Absorption with reaction product of clay and quanternary ammonium salt
10/29/1985US4549936 Water purification
10/29/1985CA1195974A2 Apparatus for the production of a composition useful in the treatment of waste waters
10/29/1985CA1195836A1 Method for reducing heat loss from contained bodies of water using polysiloxane foams
10/23/1985EP0159246A1 Process and plant for treating waste water resulting from the fabrication of sauerkraut
10/23/1985EP0159178A2 Water treatment
10/23/1985EP0159060A1 Bleach cake in an improved bleach resistant particle retaining means
10/23/1985EP0159019A2 Automatic and autonomous floating purifier with rotary belt separation and external radial circulation
10/23/1985EP0158896A2 Use of cyanamide and cyanamide derivatives in coagulation agents for lacquers, waxes and coatings
10/23/1985EP0158714A2 Solids-loaden liquid clarifying vessel and plant
10/22/1985US4548718 Treating cyanide-containing effluents
10/22/1985US4548717 Method for treating aqueous solutions with weakly acidic cation exchange resins
10/22/1985US4548716 Method of producing ultrapure, pyrogen-free water
10/22/1985US4548695 Electrode for use in electrochemical deionization and method of making same
10/22/1985US4548228 Chemical feeder
10/17/1985EP0163693A4 Deactivation of microorganisms by an oscillating magnetic field.
10/17/1985EP0066611A4 Selective rheological separation of clays.
10/16/1985EP0158009A2 Process for making visible the separation lign between cationic and anionic exchangers in mixed-bed filters
10/16/1985EP0157793A1 Method for removing insoluble sulfide pads at oil/water interfaces
10/16/1985EP0101455B1 A device for proportioning liquids
10/15/1985US4547294 Alkaline scale abatement in cooling towers
10/15/1985US4547293 Process for removal of ammonia and acid gases from contaminated waters
10/15/1985US4547291 Method for treating aqueous solutions with weakly acidic cation exchange resins
10/15/1985US4546503 Pool chemical tablet and container
10/15/1985CA1195443A1 Removal of iron from chelant solutions
10/15/1985CA1195320A1 Polyelectrolyte wetting apparatus
10/15/1985CA1195286A1 Device for waste water treatment
10/10/1985WO1985004390A1 Process and equipment for removal of suspended material, biogenetic nutrients and dissolved metal compounds from sewage contaminated with organic and/or inorganic substances
10/10/1985CN85200014U Oil-separating device with phase-separating membrane
10/09/1985EP0157569A2 Wet oxidation system
10/09/1985EP0157339A2 Process for the preparation of hydrocarbons from active sludge
10/09/1985EP0157310A2 Optical arrangement using a laser for the measurement of the dispersion rate in flowing media
10/08/1985US4545956 Method and apparatus for disinfecting waterlines of a medical device
10/08/1985US4545902 Copolymers or terpolymers of 2-acrylamido-2-methylpropanesulfonic acid
10/08/1985US4545887 Electrode for electrostatic water treatment
10/08/1985US4545862 Desalination device and process
10/08/1985US4545788 Process and apparatus for discharging and degassing a slurry from an attack tank
10/08/1985CA1194833A1 Regeneration of cleaning fluid in cell with cation exchange film separator
10/02/1985EP0156671A1 Cistern water cooling and purification device
10/02/1985EP0156646A1 High charge density, cationic methacrylamide based monomers and their polymers
10/02/1985EP0156623A2 Treatment of waste liquors
10/02/1985EP0156597A2 Process for the extraction of dilute amounts of carboxylic acids from liquid solutions
10/02/1985EP0156329A2 Method and apparatus for rapidly dissolving polymers in water
10/02/1985EP0156059A2 Process for the detoxification treatment of hazardous wastes
10/01/1985US4544650 Process for manufacturing hydrophobic adsorbents
10/01/1985US4544490 Method and system for recovering coal fines from pipe line coal slurry
10/01/1985US4544489 Measuring shear stress to determine polymer dosage
10/01/1985US4544488 Air stripping/adsorption process for removing organics from water
09/1985
09/26/1985WO1985004161A1 Electrical coagulator
09/26/1985WO1985004160A1 Method of treating contaminated insoluble organic solid material
09/26/1985WO1985004159A1 Method and apparatus for desalination and/or purification of water
09/25/1985EP0155645A2 Cartridge for water treatment apparatus
09/25/1985EP0155533A2 Membranes of not essentially cross-linked polymers
09/25/1985EP0155479A2 Water disinfection method and apparatus
09/25/1985EP0155384A2 Method of treating aqueous solutions with a weakly acidic cation and basic anion exchange resins
09/24/1985US4543190 Processing methods for the oxidation of organics in supercritical water
09/24/1985US4543189 Removal of complexed zinc-cyanide from wastewater
09/24/1985US4543186 Polarizing and aerating pumped water
09/24/1985US4542555 Device for cleaning a collecting rope from oil or similar material
09/18/1985EP0155208A1 Surfactant compositions, particularly useful in dispersing an oil slick on a water surface
09/18/1985EP0154971A2 Fresh water production and irrigation plant
09/18/1985EP0154634A1 Water inlet including a rack or frame with drain pipes.
09/17/1985US4541986 Treating with metal chlorite
09/17/1985US4541932 Hydroquinone catalyzed oxygen scavenger and methods of use thereof
09/17/1985US4541931 Liquid neutral one package coagulating agents for lacquers and coating materials
09/17/1985US4541926 Portable water conditioner having separate containers for different conditioning materials
09/17/1985US4541248 Constant temperature refrigeration system for a freeze heat exchanger
09/17/1985US4541246 Limitless heat source power plants
09/12/1985WO1985003927A1 Process for dewatering municipal and other sewage sludges
09/11/1985EP0154105A1 A process for decreasing the nitrate content in water
09/11/1985EP0075566B1 Method for the preparation of moulded bodies for asepticizing water and aqueous solutions
09/10/1985US4540494 Method for the removal of oxygen dissolved in water
09/10/1985US4540489 Compact water purifying device
09/10/1985US4540488 Rotating valve support; removing and replacing resin efficiently
09/10/1985US4540470 Distilled water production device
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