C02F 1 - Treatment of water, waste water, or sewage

Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/1994
11/08/1994	US5362402 Dehalogenation by mixing with metallic iron in presence of citric acid
11/08/1994	US5362400 Process for the purification of water
11/08/1994	US5362395 Recirculating retention phase concentrated with substances in sewage through membrane filter until concentrate with desired amount of materials hard to decompose biologically is obtained and treating concentrate physically or chemically first
11/08/1994	US5362385 Portable water filtering device
11/08/1994	US5362369 Fully automatic current control for metal depletion cells
11/08/1994	US5362368 Chlorine generator
11/08/1994	CA1332986C Septic tank effluent processing vapourizer
11/04/1994	CA2122200A1 Sequestration of toxic, hydrophobic organic materials in sediment
11/03/1994	DE4313769C1 Process and apparatus for removing acid, iron and manganese from water
11/03/1994	DE4312179A1 Process for recovering metal from cyanide-containing waste waters
11/02/1994	EP0622339A1 Process for treating photographic effluents by means of ultraviolet radiation and hydrogen peroxide
11/02/1994	EP0622338A1 A method for purifying industrial sewage water
11/02/1994	EP0622337A1 Apparatus for treating microbiologically polluted waters, particularly waters containing agents of the genus Legionella, through UV-radiation
11/02/1994	EP0622087A1 Process and device for injecting a sterile and pyrogenfree fluid obtained by filtration
11/02/1994	EP0621801A1 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions
11/02/1994	EP0467887B1 Clarification process
11/02/1994	EP0411111B1 Ammonium compound, composition containing it and desinfection method
11/02/1994	CN2181602Y Button type magnetic water tap
11/02/1994	CN2181500Y Comprehensive waste water treating apparatus
11/02/1994	CN2181499Y Apparatus for treatment of waste water by electroflocculation air floating
11/02/1994	CN2181498Y Controllable hard water softener
11/02/1994	CN2181291Y Automatic deodorizing closet cleaning device
11/02/1994	CN2181237Y Cold and hot mineral water pot
11/02/1994	CN1094267A Chinese medical stone insulated cup bladder
11/02/1994	CN1094257A Bear bile mineral water
11/01/1994	US5360880 Reacting pyrrole with unsaturated aldehyde
11/01/1994	US5360654 Booms for oil spill containment
11/01/1994	US5360579 Waste cutting oils, polynorbornene, alkaline earth halide, demulsification
11/01/1994	US5360556 Method of feeding wastewater effluent to filter bed through parallel conduits
11/01/1994	US5360554 Phase separation by gas evolution
11/01/1994	US5360552 Removal of cyanide, sulfides and thiosulfate from ammonia-containing wastewater by catalytic oxidation
11/01/1994	US5360551 Reduction of dyes with bisulfites and hydrosulfites
11/01/1994	US5360548 Process for absorbing organic polluting products
11/01/1994	US5360547 Treating a liquid medium to remove from it matter present therein
11/01/1994	US5360546 Method for treating organic sludge
11/01/1994	US5360540 Chromatography system
11/01/1994	US5360522 Biocatalyst-immobilized electrode and method for treatment of water by use of the electrode
11/01/1994	US5359769 Installation method for pool purifier
11/01/1994	CA2049870C System for expelling volatile impurities from groundwater
11/01/1994	CA1332842C Liquid phosphine oxide systems for solvent extraction
11/01/1994	CA1332786C Boiler chemicals and method of preventing corrosion of boilers
10/1994
10/30/1994	CA2122232A1 Method for treatment of contaminated materials with superheated steam thermal desorption and recycle
10/29/1994	CA2122233A1 Monitoring process consumption rates of additives
10/27/1994	WO1994024138A1 Calix\|4\|arene crown ethers, method for preparing same, and use thereof for the selective extraction of caesium and actinides
10/27/1994	WO1994024059A1 Process and device for processing and/or dewatering sludge liquor from waste water tanks, in particular small sewerage purification plants
10/27/1994	WO1994024057A1 Method and composition for enhanced bioremediation of petroleum
10/27/1994	WO1994024054A1 Method for treating water using an organic sanitizer and a persulfate
10/27/1994	WO1994024053A1 Magnetic source and condensor for producing flux perpendicular to fluid flow in ferrous and non-ferrous pipes
10/27/1994	WO1994024044A1 Encapsulated sodium percarbonate particles, method of producing them, and washing-agent, cleaning-agent and bleaching-agent compositions containing them
10/27/1994	WO1994023827A1 Integrated reverse osmosis and storage system
10/27/1994	WO1994023816A1 Dissolved oxygen reducing apparatus
10/27/1994	WO1994023815A1 Hydrocarbon absorber and solidifier
10/27/1994	WO1994023586A1 Recycling salt solution in food processing and apparatus therefor
10/27/1994	DE4413354A1 Process for preparing a buoyant catalyst support based on silica gel
10/27/1994	DE4329272C1 Apparatus for purifying dirty water
10/27/1994	DE4313634A1 Process for reducing the pollutant concentration of waste waters originating from industrial processes
10/27/1994	DE4313468A1 Water treatment unit having regeneration medium predilution
10/27/1994	DE4313314A1 Method of water management for the process water in a plant for producing sand-lime bricks
10/27/1994	DE4313127A1 Process for simultaneous precipitation of uranium, arsenic and radium from mining effluence
10/27/1994	CA2160362A1 Recycling salt solution in food processing and apparatus therefor
10/27/1994	CA2159991A1 Encapsulated sodium percarbonate particles, method of producing them, and washing-agent, cleaning-agent and bleaching-agent compositions containing them
10/26/1994	EP0621241A2 Solution decontamination method using precipitation and flocculation techniques
10/26/1994	EP0621240A1 Biocidefree odour suppression in waste waters
10/26/1994	EP0621239A2 Small water treatment unit based on ion exchangers with possibility to regeneration and thermal desinfection
10/26/1994	EP0621238A2 Small desolination apparatus based on ion exchangers with electrolytically produced regenerants and process for its operating
10/26/1994	EP0621237A1 Method and apparatus for purification of fluids, preferably rinsing fluids from the graphic industries
10/26/1994	EP0621076A1 Method for the separation of solids
10/26/1994	EP0621072A2 Demineralization apparatus comprising a diluting chamber packed with a cloth
10/26/1994	EP0539430B1 Bioreactor
10/26/1994	CN2180634Y Full-automatically controlling quantitative chlorine adding device
10/26/1994	CN2180633Y 塔式臭氧水制备装置 Tower ozone water preparation device
10/26/1994	CN2180632Y Magnetization T-joint for even mixing hot and cold water
10/26/1994	CN2180631Y Purifying pad for water container
10/26/1994	CN2180630Y Steam water distiller
10/26/1994	CN2180629Y Moving type non-electric controll all-automatically filter device
10/26/1994	CN2180167Y Small mineral water generator
10/26/1994	CN2180166Y Portable mineral water kettle for student
10/26/1994	CN2180147Y Water cup with function of mineralisation
10/26/1994	CN2180060Y Magnetization pad
10/26/1994	CN1094106A Agglutinant for recovering alkali in paper making industry and its preparation
10/26/1994	CN1094016A Production method for water purifying agent
10/26/1994	CN1094015A Generator for chlorine-containing disinfecting agent
10/25/1994	US5358646 Non-catalytic oxidation in first reaction zone to first intermediate; catalytic oxidation in second zone to another intermediate or end product; treatment of industrial and municipal waste waters
10/25/1994	US5358645 Supercritical water oxidation is used for waste processing including corrosive acids, bases and salts; combustion
10/25/1994	US5358643 Using an iron salt, acid and oxidizer
10/25/1994	US5358640 Method for inhibiting scale formation and/or dispersing iron in reverse osmosis systems
10/25/1994	US5358636 Apparatus for the treatment of waste sludge
10/25/1994	US5358635 Integrated reverse osmosis water treatment and storage system
10/25/1994	US5358617 Self-contained water treatment device
10/25/1994	US5357880 Raw sewage disposal apparatus
10/25/1994	CA2025385C System for removing volatile impurities from ground water
10/25/1994	CA1332714C Water purification system
10/20/1994	DE4312557A1 Method for recovering water varnish overspray
10/20/1994	DE4312546A1 Utilisation plant and utilisation process for emulsions and wash lyes
10/20/1994	DE4312426A1 Process and apparatus for treating process waste waters of an ultrafiltration unit
10/19/1994	EP0643673A4 Removal of cyanide from water.
10/19/1994	EP0620192A1 Solid-liquid separator for sludge
10/19/1994	EP0620190A1 Precipitation and flocculation agent
10/19/1994	EP0619758A1 Device for magnetically treating fluids, gases or solids
10/19/1994	EP0495794B1 Calcium hypochlorite compositions for inhibiting scale formation and a method for their use

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