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)
11/1996
11/28/1996WO1996037438A1 Process for removal of selenium and arsenic from aqueous streams
11/28/1996WO1996037283A2 Method and device for delivering a substance
11/28/1996WO1996037274A1 Filter assembly with valve head and cartridge
11/28/1996WO1996037272A1 Method for removing organic constituents from an aqueous stream
11/28/1996DE19620781A1 Assembly for component surface treatment
11/28/1996DE19615781A1 Appts. to give pure water
11/28/1996DE19519996A1 Device for fluorinating drinks with fluoride ceramic surface in contact with drink
11/28/1996DE19519177A1 Oxidn. of harmful substances causing chemical or biological oxygen demand
11/28/1996CA2221206A1 Method of delivering substance into a material mass
11/28/1996CA2220906A1 Waste water purification system
11/27/1996EP0744382A1 Method of detoxifying industrial discharge waters
11/27/1996EP0744378A1 New polychloride or polychlorosulfate of aluminium, process for its preparation and its use for the treatment of water
11/27/1996EP0743925A1 Novel compositions and methods for water treatment
11/27/1996EP0743924A1 Electrocatalytic dissolved oxygen generator for water processing
11/27/1996EP0652852B1 Waste water treatment
11/27/1996EP0638050B1 Improvements in filtration
11/27/1996EP0559857B1 Aerator for a liquid-filled basin
11/27/1996EP0510077B1 Preventative maintenance system for underwater pipes
11/27/1996CN2241146Y Drinking water disinfecting algae-killing apparatus
11/27/1996CN2241145Y Floating oil collecting device
11/27/1996CN2241144Y Electronic water purifier
11/27/1996CN2241143Y Hollow fibre fine-filtering water purifier
11/27/1996CN2241012Y Portable miniature water purifier
11/27/1996CN2241010Y Household water purifier
11/27/1996CN2240934Y Multifunctional health cup
11/27/1996CN1136535A Products of poly aluminium-ferrous chloride and polymerized aluminium-ferrous sulfate and technology
11/27/1996CN1033381C Removal of cyanide from water
11/27/1996CN1033380C Generator for chlorine-containing disinfecting agent
11/26/1996US5578647 Heating hydrocarbons, wastes, lignocellulose, sludges, with acids, bases, salts, oxides, or oxidants
11/26/1996US5578547 Peat moss, sodium silicate or polysulfone binder
11/26/1996US5578280 Electrodes for corona chambers and electroconductive strms, cooling oxygen for forming ozone
11/26/1996US5578219 Improved absorption and flocculation properties, oil well drilling applications, cosmetic and anti-pollution applications
11/26/1996US5578214 Microorganisms deposited on vinylidene chloride fillers with circulatiom of fluids
11/26/1996US5578213 Fluid treatment process
11/26/1996US5578211 Controlling methane and hydrogen sulfide in pipes of sewage processing system, microbes to displace sulfur reducing bacteria
11/26/1996US5578205 Plant for removing micropollutants from untreated water by the combined action of ozone and hydrogen peroxide
11/26/1996US5578193 Semicoductors, electrolysis
11/26/1996US5578191 Process for extracting tin from organic solutions by electrolysis
11/26/1996US5578181 Method for treating waste water containing neutral salts comprising monovalent ions
11/26/1996US5578116 Method and apparatus for controlling zebra mussels in water conduits
11/26/1996CA2131005C Water reclamation system and method
11/21/1996WO1996036868A1 Electron beam treatment system with adjustable flow
11/21/1996WO1996036659A1 Foamed and cross-linked phenolic resin and method for making same
11/21/1996WO1996036569A1 Use of mannanases as slime control agents
11/21/1996WO1996036566A1 Chloroisocyanuric acid composition having reduced gas evolution
11/21/1996WO1996036565A1 Cartridge for photocatalytic purification of fluids
11/21/1996WO1996036564A1 Clathrate freeze desalination apparatus and method
11/21/1996WO1996036434A1 Coal ashes used for treating various media and facilities for using same
11/21/1996WO1996036427A1 Recovery and reuse of surfactants from aqueous solutions
11/21/1996DE19518464A1 Processing and sterilising water by soln. of chlorine di:oxide
11/21/1996DE19518425A1 Environmentally friendly, economical de-ammoniation of waste liquor
11/21/1996DE19518406A1 Continuous process for processing of condensate water without inorganic impurities
11/21/1996DE19517652A1 Reducing nitrate or nitrite content in water by electrolytic and catalytic treatment
11/21/1996DE19517231A1 Purifying waste water from leather industry contg. chromium and surface-active components
11/21/1996DE19516432A1 Catalytic photo-oxidn. using peroxy-acetic acid as oxidising agent
11/21/1996CA2221889A1 Coal ashes used for treating various media and facilities for using same
11/21/1996CA2221287A1 Foamed and cross-linked phenolic resin and method for making same
11/21/1996CA2220875A1 Cartridge for photocatalytic purification of fluids
11/21/1996CA2215635A1 Use of mannanases as slime control agents
11/20/1996EP0743105A1 Device for cleaning the protective tubes of UV water sterilizers
11/20/1996EP0743002A2 Bacterial inhibiting compositions and their use
11/20/1996EP0742859A1 Oil recovery systems
11/20/1996EP0742783A1 Process of preparing ferric sulfate
11/20/1996EP0742736A1 Device for separating oil-in-water emulsions by electrocoagulation
11/20/1996EP0669850B1 Catalytic process for the treatment of effluent gases
11/20/1996EP0553149B1 Apparatus and method for hydrolysis of cyanide-containing liquids
11/20/1996EP0495120B1 Liquid-absorbing block
11/20/1996CN2240523Y Fully-automatic purification water storage device
11/20/1996CN2240522Y Multi-function ultra-clean water drinking machine
11/20/1996CN2240521Y Step type multi-function distillation storage device
11/20/1996CN2240520Y Portable purifying water drinking device
11/20/1996CN1136020A Wastewater treatment by electrolytic and physical process
11/20/1996CN1136019A Automatic water purifier with reservoir and rotary cleaner
11/20/1996CN1136018A Solar water-producing machine
11/20/1996CN1135937A Apparatus for separating ions or charged particles in solution
11/19/1996US5575974 Apparatus and method for an anodic oxidation biocidal treatment
11/19/1996US5575945 Chemical treatment system for producing odor and taste-free potable water
11/19/1996US5575928 Using methyl thiocyanate and sodium n-methyldithiocarbamate in sludge, then adding electrolytic soils and conditioners and potassium polyacrylate
11/19/1996US5575927 Reduction and dehalogenation in mixture of iron and ferrous sulfide; water pollution control
11/19/1996US5575926 Dechlorination of chlorinated hydrocarbons by soluble iron citrate
11/19/1996US5575924 Reducing the turbidity of an aqueous system by adding a graft polymer of vinyl alcohol and a cationic monomer
11/19/1996US5575923 Salt basket for crystallizer and method of use in zero liquid discharge industrial facilities
11/19/1996US5575922 Method for treating mine water using caustic soda
11/19/1996US5575919 Method for removing toxic substances in water
11/19/1996US5575918 Method for recovery of polymers
11/19/1996US5575917 Viricides and antibiotics
11/19/1996US5575916 Method of processing a cheese processing waste stream
11/19/1996US5575915 Methods of removing silver
11/19/1996US5575908 Sewer system water purifier
11/19/1996US5575160 Freeze crystallization for the removal of water from a solution of dissolved solids
11/16/1996CA2176092A1 Method of detoxifying industrial discharge waters
11/14/1996WO1996035731A1 Dadmac/vinyl trialkoxysilane copolymers and their use in wastewater treatment
11/14/1996WO1996035654A1 Diol recovery process and plant
11/14/1996WO1996035642A1 Improved destruction of electron affinic contaminants during water treatment using free radical processes
11/14/1996WO1996035641A1 Waste water treatment process for producing high yields of drinking water
11/14/1996WO1996035508A1 Flow-through photo-chemical reactor
11/14/1996DE19517473A1 Verfahren zur Abwasseraufbereitung unter Gewinnung von Trinkwasser in hohen Produktausbeuten Process for wastewater treatment under production of drinking water in high product yields
11/14/1996DE19517039A1 Water purifier uses light to oxidise carbon cmpds
11/14/1996DE19516886A1 Verfahren und Anlage zum Rückgewinnen von Ethylen-Glykol in einem Polyethylenterephthalat-Polykondensationsprozeß Method and apparatus for recovering ethylene glycol in a polyethylene terephthalate polycondensation
11/14/1996CA2220127A1 Improved destruction of electron affinic contaminants during water treatment using free radical processes
1 ... 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 ... 1452