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)
04/1988
04/13/1988EP0263694A2 Process for removing radioactive ruthenium from aqueous solution
04/13/1988EP0263424A2 Process for removing arsenic from waste water containing arsenic
04/13/1988EP0263344A1 Device for the separation of fine solid particles, especially amalgam particles, from waste water
04/13/1988EP0263185A1 Sanitary device
04/13/1988EP0159340B1 Process for protecting lakes against eutrophization caused by subsoil water
04/13/1988CN87106748A Treatment of mercury contaminated lakes
04/12/1988US4737358 Methods for producing high alkaline drinks
04/12/1988US4737309 Quaternary mamonium salt complexing agents
04/12/1988US4737293 Process for reducing the content of trihalomethane compounds and precursors thereof in influent water
04/12/1988US4737289 Process for wastewater treatment
04/12/1988US4737275 Resin pressure sensor for water treatment
04/12/1988US4737260 Membrane stack unit for multi-chamber electrodialysis
04/12/1988CA1235235A1 Water treatment systems
04/12/1988CA1235141A1 High charge density, cationic methacrylamide based monomers and their polymers
04/12/1988CA1235140A1 High charge density, cationic methacrylamide based monomers and their polymers
04/12/1988CA1235109A1 Extraction of substances from aqueous solution
04/07/1988WO1988002352A1 Installation for purification of sewage water
04/07/1988WO1988002351A1 The control of biofouling in aqueous systems by non-polymeric quaternary ammonium polyhalides
04/07/1988WO1988002274A1 Single phase enrichment of super critical fluids
04/07/1988DE3633864A1 Process and apparatus for extracting metals from waste waters
04/07/1988DE3633170A1 Universal solar collector operating as condenser
04/07/1988DE3632661A1 Process for treating contaminated silt and plant for carrying out this process
04/06/1988EP0263090A1 The treatment of mercury contaminated lakes
04/06/1988EP0263057A1 Method for desulfurizing smoke
04/06/1988EP0262865A2 Apparatus for the treatment of water to remove gas vacuolate cyanobacteria
04/06/1988EP0262577A2 Manufacture of high molecular weight poly (vinylamines)
04/06/1988EP0262449A2 Process for producing ozone
04/06/1988CN87212103U Purifying utensil for drinking water
04/06/1988CN87106661A Equipment of removing iron and manganese from ground water
04/06/1988CN87106248A Clarification device
04/05/1988US4735729 Separation from aqeous suspension by mixing with thermally conditioned sludge
04/05/1988US4735728 Method for pollution control in photographic processing
04/05/1988US4735725 Process for the improved separation of clarified liquid from biomass in the biological treatment of sewage
04/05/1988US4735717 Filters, separators
04/05/1988US4735716 Quick-change filter cartridge and head therefor
04/05/1988US4735641 Apparatus and method of producing refrigeration as ice at the triple point of water
04/05/1988CA1234931A1 Treatment of cyanide-ferrocyanide effluents
04/05/1988CA1234764A1 Treatment of oil recovery process waste water
03/1988
03/31/1988DE3632446A1 Activated-carbon filter for coffee machines (percolators)
03/31/1988DE3632360A1 Process for the selective removal of contaminants from water
03/31/1988DE3632138A1 Process for the detoxification of arsenic-containing waste water
03/30/1988EP0262054A1 Process for the catalytic oxidation of phenols
03/30/1988EP0261974A1 Scavengers containing peroxides for removal of volatile sulphides
03/30/1988EP0261822A2 Treatment of aqueous waste material
03/30/1988EP0261607A2 Biocides for treating industrial waters, particularly flue gas desulfurization scrubber sludge
03/30/1988CN86106212A Method for the treatment of high concentration waste water in dye production
03/29/1988US4734473 Water-soluble cationic quaternary ammonium monomers
03/29/1988US4734258 Morpholinohexose reductone as an oxygen scavenger
03/29/1988US4734216 Composition and method for flocculating and removing solids suspended in water
03/29/1988US4734205 Hydrophobically associating polymers for oily water clean-up
03/29/1988US4734202 Method and apparatus for conditioning water
03/29/1988US4734200 Process for removal of fluoride and phosphorus-type contaminants from acidic wastewater
03/29/1988US4734176 Pulsed ion generator for water purification system
03/29/1988US4734167 For water; compact, efficient
03/29/1988US4734159 Using heated waste gas to evaporate volatile component from solution
03/29/1988US4734116 Method and apparatus for generating an ice crystal suspension
03/29/1988CA1234650A1 Continuous process for the concentration of w/o- emulsions by evaporation
03/29/1988CA1234477A1 Method for treatment of impounded material (sludges) from the chemical treatment of spent sulfuric acid with lime
03/24/1988WO1988001985A1 Sewage treatment
03/24/1988DE3634949A1 Combined lime-carbon dioxide-equilibrium stabiliser
03/24/1988DE3632257A1 Apparatus for the magnetic treatment of liquids
03/24/1988DE3631251A1 Process for scrubbing hydrogen sulphide and ammonia out of gases
03/24/1988DE3631218A1 Process for treating acidic, heavy metal-containing and/or aluminium-containing raw waters
03/24/1988DE3628136A1 Separation apparatus for relatively light components of a liquid stream
03/23/1988EP0261019A1 Water treatment process
03/23/1988CN87209927U Two-tower type floating bed for water process
03/23/1988CN86106047A Purificn. method for distilled panax water
03/23/1988CN86106010A Waste water treatment method for wool fabrics dyeing and finishing
03/22/1988US4732913 Biocidal compositions and use thereof containing a synergistic mixture of 2-bromo-2-nitropropane-1,3-diol and 2,2-dibromo-3-nitrilopropionamide
03/22/1988US4732911 Coolants, papermaking
03/22/1988US4732887 Resin in voids for chromatography
03/22/1988US4732689 Feeder assembly for adding dissolvable agent to a flowing liquid
03/22/1988US4732688 Pollution control
03/22/1988US4732684 Method for preventing the bulking of activated sludge
03/22/1988US4732681 Biomass of cladosporium, cultures
03/22/1988US4732674 Porous active carbon; water-soluble minerals on surface
03/22/1988US4732661 Electrolytic purification system
03/22/1988CA1234450A1 High molecular weight water soluble polymers
03/22/1988CA1234434A1 Apparatus for treating water by way of precipatation, settling, thickening and recirculation of sludge deposits
03/22/1988CA1234367A1 Electrochemical cell with inner and outer electrodes diverging towards inlet and outlet
03/22/1988CA1234366A1 Reticulate electrode for recovery of metal ions and method for making
03/18/1988EP0139002A4 Mobile fluid purification unit.
03/16/1988EP0260135A2 Fluid absorbent composition and method
03/16/1988EP0259771A2 Clarifying device
03/16/1988EP0259769A1 Installation for pyramidal energy
03/16/1988EP0259767A2 Pressureless drinking water filter cartridge
03/16/1988EP0259640A1 Refrigeration evaporation
03/16/1988EP0259583A2 Continuous process for extracting carboxylic acids, aldehydes, ketones, alcohols and phenols from diluted aqueous solutions
03/16/1988EP0259525A1 Water treatment method and product
03/16/1988EP0259408A1 Arrangement for treatment of water.
03/16/1988EP0259348A1 Process of affecting coal agglomeration time
03/16/1988CN87213127U Itense magnetic water flooding device
03/16/1988CN87200831U 简易油污水处理装置 Simple oily water treatment device
03/16/1988CN86106871A Treatment of organic waste water in the process of paper making with diatomaceous earth
03/15/1988US4731481 Demulsifiers, flotation agents
03/15/1988US4731187 Removal of heavy metals from waste water
03/15/1988US4731186 Magnetic fluid treating method and device
03/15/1988US4731181 Apparatus for membrane separation
03/10/1988WO1988001606A1 A process for cleaning chlorinated water and an apparatus for carrying out the process
03/10/1988DE3636961C1 Process for the hot removal of silica from waste waters from sand lime brick production
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