| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 02/17/1999 | CN1208023A Water purifying aerating device |
| 02/17/1999 | CN1208022A Micro-bubble deterging device |
| 02/17/1999 | CN1208021A 热泵式纯净水机 Heat-pump pure water machine |
| 02/16/1999 | US5872153 Hydrolyzing phthalaldehyde acetal; eliminating alcohol |
| 02/16/1999 | US5872089 Prevention and removal of scale from a potentially scale-forming solution |
| 02/16/1999 | US5871648 Wastewater treatment process and apparatus for high flow impurity removal |
| 02/16/1999 | US5871642 Magnetic liquid conditioner |
| 02/16/1999 | US5871639 Impurity filtration system for drinking water and monitoring device therefor |
| 02/16/1999 | US5871623 Apparatus for electrochemical treatment of water and/or water solutions |
| 02/16/1999 | US5871620 Process and device for reducing the nitrate content of water |
| 02/16/1999 | CA2135936C High pulsed voltage systems for extending the shelf life of pumpable food products |
| 02/16/1999 | CA2061416C Method and apparatus for clarifying liquid using a pulsating sludge bed and part of concentrated sludge |
| 02/16/1999 | CA2057362C Process for working up aqueous solutions containing hydrogen sulfide, hydrogen cyanide and ammonia |
| 02/16/1999 | CA1340395C Analysis of ions present at low concentrations in solutions with other at higher concentrations |
| 02/13/1999 | CA2211589A1 Polyurethane foam cleaning pad and absorbent particles |
| 02/11/1999 | WO1999006328A1 Process for treatment of sulphates containing water |
| 02/11/1999 | WO1999006327A1 Method and device for purifying waste water comprising an additional sludge treatment by ozonation |
| 02/11/1999 | WO1999006326A1 Method for inhibiting biogenic sulfide generation |
| 02/11/1999 | WO1999006325A1 Methods and compositions for controlling biofouling using amino methyl phosphonic acids |
| 02/11/1999 | WO1999006324A1 Electronic de-scaling device |
| 02/11/1999 | WO1999006322A1 Solar-powered water desalinisation plant |
| 02/11/1999 | WO1999006320A1 A process to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial fouling |
| 02/11/1999 | WO1999006132A1 Adsorption or desorption of dissolved constituents in liquids and apparatus therefor |
| 02/11/1999 | WO1999005912A1 Methods and compositions for controlling biofouling using sulfamic acids |
| 02/11/1999 | WO1998050626A3 Method and device for separating the liquid contained in a suspension from the dispersed material in the suspension |
| 02/11/1999 | WO1998046933A3 Tubular lamp mounting arrangement |
| 02/11/1999 | DE19752111C1 Water softener process and assembly |
| 02/11/1999 | DE19734504A1 Efficient removal of polyether and polyether alcohol from aqueous solution |
| 02/11/1999 | DE19734390A1 Swimming pool water filter |
| 02/11/1999 | DE19734239A1 Biodegradable twisted fibers of hydrated cellulose |
| 02/11/1999 | DE19734209A1 Electrochemical treatment of strongly foaming liquid media |
| 02/10/1999 | EP0895799A1 Process and plant for treating by filtration of working fluid |
| 02/10/1999 | EP0895532A1 Absorbent fibrous granules |
| 02/10/1999 | EP0895521A1 Process for producing finely divided, water-insoluble aziridine polymers |
| 02/10/1999 | EP0863848A4 Back-flushable filter cartridge and method of back-flushing same |
| 02/10/1999 | EP0848647A4 High solids lime as a caustic replacement |
| 02/10/1999 | EP0837834A4 Formic acid and formaldehyde destruction in waste streams |
| 02/10/1999 | CN1207720A Flotation apparatus and process |
| 02/10/1999 | CN1207369A Process for preparing compound flocculating settling agent |
| 02/10/1999 | CN1207368A Water treatment apparatus using plasma reactor and method thereof |
| 02/10/1999 | CN1207367A Method for treatment of residual coking ammonia water or all coking waste water with flue gas |
| 02/09/1999 | US5869542 Condensing to obtain condensed oil and condensed water; separation; condensed oil is substantially free of non-gaseous polymerization-debilitating substances; utilizes aqueous acid |
| 02/09/1999 | US5868945 Degradation of certain water soluble petroleum organics from produced water by treatment with ozone |
| 02/09/1999 | US5868944 Providing oxygen from source integrated in water cooler, transferring to headspace above water in bottle to maintain dissolved oxygen content at supersaturated level, dispensing oxygen enriched water |
| 02/09/1999 | US5868942 Process for treating a waste sludge of biological solids |
| 02/09/1999 | US5868941 Passing water contaminated with halogenated hydrocarbons through a bed of granular iron |
| 02/09/1999 | US5868937 Process and system for recycling and reusing gray water |
| 02/09/1999 | US5868934 Method and apparatus for organic wastewater treatment capable of preventing decrease in permeation efficiency of submerged membrane without dilution |
| 02/09/1999 | US5868933 Antimicrobial filter cartridge |
| 02/09/1999 | US5868927 Apparatus and method for treating waste water from a residential home |
| 02/09/1999 | US5868924 Water purifier |
| 02/09/1999 | US5868919 A power supply, high energy capacitor, high energy trigger device and probe and reactor arrangement |
| 02/09/1999 | US5868916 Process for recovering organic hydroxides from waste solutions |
| 02/09/1999 | US5868915 Electrodeionization apparatus and method |
| 02/09/1999 | US5868911 Apparatus for generating bromine |
| 02/09/1999 | US5868859 Measuring thermal infrared emission of foam, comparing to temperature of aqueous medium, defoaming when difference exceeds predetermined limit |
| 02/09/1999 | US5868164 Fluid control valve system with combined step and proportional-integral control |
| 02/09/1999 | CA2122579C Magnetic fluid conditioner |
| 02/04/1999 | WO1999005392A1 Method and apparatus for removing oil from oil-contaminated particulate material as e.g. waste drilling mud |
| 02/04/1999 | WO1999005067A1 Method for treating alkaline waste water |
| 02/04/1999 | WO1999005066A1 Foam for absorbing hydrophobic liquids |
| 02/04/1999 | WO1999005065A1 Photo-assisted oxidation of inorganic species in aqueous solutions |
| 02/04/1999 | WO1999004903A1 Process for the purification of nutrients from food process streams |
| 02/04/1999 | WO1999004897A1 Method for continuously processing organic substances using microwaves |
| 02/04/1999 | WO1999004878A1 Method for eliminating organophosphorus compounds contained in a gas or liquid |
| 02/04/1999 | WO1999004667A1 Filter device for drinking containers |
| 02/04/1999 | DE19732416A1 Sub-soil barrier gate for treating ground water |
| 02/04/1999 | CA2310636A1 Filter device for drinking containers |
| 02/04/1999 | CA2297912A1 Photo-assisted oxidation of inorganic species in aqueous solutions |
| 02/04/1999 | CA2297281A1 Method for treating alkaline waste water |
| 02/03/1999 | EP0894770A1 Process and device for treating opaque pollutants in industrial and/or agricultural wastewater |
| 02/03/1999 | EP0894769A2 Apparatus for releasing carbon dioxide into drinking water |
| 02/03/1999 | EP0894432A2 A method of inhibiting microbial growth in an aqueous medium |
| 02/03/1999 | EP0894077A1 Electrocatalytic method for the deoxygenating of sea water and device for its implementation |
| 02/03/1999 | EP0894030A1 Process and apparatus for treating process streams from a system for separating constituents from contaminated material |
| 02/03/1999 | EP0788462B1 Uv fluid treatment device and method |
| 02/03/1999 | EP0748298B1 Adsorbent biocatalyst porous beads |
| 02/03/1999 | EP0720588B1 Method and apparatus for treating fluid with radio frequency signals |
| 02/03/1999 | EP0693882B1 Recycling salt solution in cheese processing and apparatus therefor |
| 02/03/1999 | EP0669897B1 Separation of nucleic acid fragments |
| 02/03/1999 | CN2306226Y Machine for making drinking water |
| 02/03/1999 | CN2306225Y Magnetic water purifier |
| 02/03/1999 | CN2306224Y Full auto-controlled water purifier |
| 02/03/1999 | CN2306072Y Special structure ion exchange column |
| 02/03/1999 | CN1206695A Composite flocculant for water treatment |
| 02/03/1999 | CN1206694A Multi-stage distilled water making device |
| 02/03/1999 | CN1206693A Improved countertop distiller |
| 02/03/1999 | CN1206692A Technology for making brick and tile by using waste water |
| 02/03/1999 | CN1206623A Flow controller for water purifier |
| 02/02/1999 | US5866910 Flow-through photo-chemical reactor |
| 02/02/1999 | US5866660 Polyvinyl prolidone and crosslinker with divinyl and chelation group |
| 02/02/1999 | US5866633 Organic biocide immobilized on a polymeric support characterized in that the support is water-insoluble and the biocide is covalently bound to the support by a hydrolytically stable covalent linkage. |
| 02/02/1999 | US5866016 Methods and compositions for controlling biofouling using combinations of an ionene polymer and a salt of dodecylamine |
| 02/02/1999 | US5866014 Adding iron, sulfur and oxidizer; portable water |
| 02/02/1999 | US5866010 Magnetohydrodynamic device |
| 02/02/1999 | US5866009 Apparatus for purifying water from organic halides contained therein |
| 02/02/1999 | US5866006 Coated single particles and their use in fluid bed chromatography |
| 02/02/1999 | US5866002 Apparatus for activation of a digesting agent and method of its use |
| 02/02/1999 | US5865992 Oil, water and gas separator |
| 02/02/1999 | US5865991 Monitoring system for a drinking water purification system |