| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 07/05/1989 | EP0323435A2 Method and device for treating liquids with a pulsating magnetic field |
| 07/05/1989 | EP0322929A1 Product and process for the biological regeneration of an aquatic medium, especially aquarium water |
| 07/05/1989 | EP0322604A1 Membrane filtration apparatus and method of making a membrane filtration unit |
| 07/05/1989 | EP0322544A1 Drinking-water magnetizing device |
| 07/05/1989 | EP0322478A1 Method and apparatus for the treatment of water by anodic oxidation, especially for the production of sterile drinking water |
| 07/05/1989 | CN2040493U Automatic controller for sewage disinfection treatment |
| 07/05/1989 | CN2040341U Mineral water magnetic therapeutic health cup |
| 07/05/1989 | CN1004713B Treatment for rinsig waste water from low chromium passivating process during zinc plating |
| 07/05/1989 | CN1004692B Treatment method and technology for treating sewage from dyeing and printing industry |
| 07/04/1989 | US4845192 Nondestructive high shear cutting |
| 07/04/1989 | US4844877 Halonitroalkanol as scavenger |
| 07/04/1989 | US4844819 Oil and water separator having plural nested tanks |
| 07/04/1989 | US4844811 Surfactant adsorption |
| 07/04/1989 | US4844796 Full water treatment apparatus for use in soft drink dispensing system |
| 07/04/1989 | US4844795 Method and apparatus for decontaminating the aquifer of hydrocarbons |
| 07/04/1989 | CA1257019A1 Method of cyanide destruction |
| 07/04/1989 | CA1256822A1 Water conditioning device containing calcium carbonate, and installation including said device |
| 06/29/1989 | WO1989005779A1 Apparatus for producing fresh water from radioactively, chemically or biologically contaminated water |
| 06/29/1989 | WO1989005690A1 Activating device |
| 06/29/1989 | WO1989005683A1 A process for fractionating sea water |
| 06/28/1989 | EP0322234A2 Process for the preparation of cationic polymers |
| 06/28/1989 | EP0321989A1 Method for purifying resin containing waste liquor in the manufacture of cellulose pulp |
| 06/28/1989 | EP0321747A1 Process for manufacturing and using granulated ferrous sulfate heptahydrate |
| 06/28/1989 | CN2040095U Cup capable of magnetizing water |
| 06/28/1989 | CN2039998U Tube type ion-exchanger |
| 06/27/1989 | US4843118 Acidized fracturing fluids containing high molecular weight poly(vinylamines) for enhanced oil recovery |
| 06/27/1989 | US4842777 Pressurized mixing injector |
| 06/27/1989 | US4842745 Process for separating organic compounds from water by extraction |
| 06/27/1989 | US4842729 Treatment of liquids |
| 06/27/1989 | US4842723 Water purifying apparatus |
| 06/27/1989 | US4842715 Novel technique for rendering oily sludges environmentally acceptable |
| 06/27/1989 | US4842688 Method of removing macromolecular organic dissolved and colloidal material from wood processing industry effluents |
| 06/27/1989 | EP0315672A4 A process for the removal of organic contaminants from solids and sediments. |
| 06/27/1989 | CA1256604A1 Process for clarifying bicarbonate bearing waters using measurement and control of carbon dioxide content |
| 06/27/1989 | CA1256384A1 Process for continuous removal of ammoniacal nitrogen from aqueous streams |
| 06/22/1989 | DE3829725A1 Apparatus for sterilising, purifying and/or desalting sea water or brackish water |
| 06/22/1989 | DE3742173A1 Blockiergeschuetzte bremsanlage fuer kraftfahrzeuge Blockiergeschuetzte brake system for motor vehicles |
| 06/21/1989 | EP0321219A1 Hydrogenation of nitroalkanes to hydroxylamines |
| 06/21/1989 | EP0321068A1 Apparatus and process to separate and remove extraneous matter from a liquid stream |
| 06/21/1989 | EP0321066A2 All-in-one boiler water treatment composition |
| 06/21/1989 | EP0320804A2 Water distilling apparatus |
| 06/21/1989 | CN2039689U Generator for artificial mineral water |
| 06/21/1989 | CN2039688U Household portable clean water filter |
| 06/20/1989 | US4840748 Polyalkanolamines |
| 06/20/1989 | US4840736 Process for producing combustible sewage sludge filter cakes in filter presses |
| 06/20/1989 | US4840735 By forming copper and iron precipitates with impurities; controlling ph |
| 06/20/1989 | US4840734 Permeable, closed cell containing vermiculite absorbent |
| 06/20/1989 | US4840731 Apparaus for reduction of COD in water |
| 06/20/1989 | CA1256037A1 Serial flow continuous separation process |
| 06/15/1989 | WO1989005181A1 Membrane filtration apparatus and method of making a membrane filtration unit |
| 06/15/1989 | DE3740831A1 Process and appliance for treating effluents containing fine mercury-containing particles |
| 06/14/1989 | EP0320140A1 Solidification and vapor mitigation of aldehyde spills |
| 06/14/1989 | EP0320086A2 Visual analytical tracer and method for detection and quantitative analysis for water treatment chemicals |
| 06/14/1989 | EP0320085A1 Oxygen scavenger for boiler water and method of use |
| 06/14/1989 | EP0320084A1 Chemical treatment for algae control in open water systems |
| 06/14/1989 | EP0319936A2 Scale-preventing apparatus for pipe systems |
| 06/14/1989 | EP0319740A1 Detoxication process for waste waters containing elementary mercury |
| 06/14/1989 | CN2039307U Water softening and purifying magnetizer |
| 06/13/1989 | US4839154 Mixing a surfactant in the solution and reacting with oxidizing agent |
| 06/13/1989 | US4839060 Methylated starch compositions and their use as flocculating agents for mineral wastes, such as bauxite residues |
| 06/13/1989 | US4839057 Water treatment system |
| 06/13/1989 | US4839054 Process for removing water-soluble organics from produced water |
| 06/13/1989 | US4839040 Filter apparatus for removing hydrocarbon contaminants from water, particularly for purifying oil contaminated water |
| 06/13/1989 | US4839007 Method for purifying industrial waste water by direct oxidation of the organic pollutants |
| 06/13/1989 | US4839004 Method and an apparatus for cold sterilization of surgical instruments, in particular dental surgery instruments |
| 06/13/1989 | US4838154 Apparatus for extending the shelf life of fluid food products |
| 06/13/1989 | US4838039 Direct contact evaporator/freezer |
| 06/13/1989 | US4838016 Baling machines and baled products |
| 06/13/1989 | CA1255820A1 Apparatus for purifying water, comprising an upflow reactor with an influent distributing system to be connected to a central water supply system |
| 06/13/1989 | CA1255819A1 Process for reducing the wash water requirement of weakly basic anion exchangers |
| 06/13/1989 | CA1255818A1 Liquid treating installation and process, namely for the demineralisation of water passing through a dense bed of active granular material in the upper stage, and periodic counterflow regeneration |
| 06/13/1989 | CA1255817A1 Process for decreasing the nitrate content in water |
| 06/08/1989 | DE3832209A1 Process for purifying surfactant-containing oil/water emulsions |
| 06/08/1989 | DE3739979A1 Appliance for disinfecting water by UV irradiation |
| 06/08/1989 | DE3739966A1 Appliance for disinfecting water by UV irradiation |
| 06/08/1989 | DE3739896A1 Appliance for treating industrial effluents or of leachate from tips |
| 06/07/1989 | EP0319260A2 The removal of ammonium salts from an aqueous medium containing the salt |
| 06/07/1989 | EP0319076A2 Process for cleaning waste water leaving a paint-spray booth |
| 06/07/1989 | EP0318483A1 Method and apparatus for electrolytic treatment of liquids, especially waste water. |
| 06/07/1989 | CN2038809U Cleaning-out fluorine, bacterium and dust filter |
| 06/07/1989 | CN1033244A Process of treating acidic water |
| 06/06/1989 | US4837249 Rapid dissolving polymer compositions and uses therefor |
| 06/06/1989 | US4836992 Electrolysis |
| 06/06/1989 | US4836932 Water treatment using fine particle super magnets |
| 06/06/1989 | US4836929 Process for breaking down organic substances and/or microbes in pretreated feed water for high-purity water recirculation systems |
| 06/06/1989 | US4836921 Waste water treatment apparatus |
| 06/06/1989 | US4836891 Self-contained oil well salt water concentration system |
| 06/01/1989 | WO1989004712A1 Process for removing hazardous substances from water or air |
| 06/01/1989 | DE3837906A1 Method for sterilising liquids and/or gases, and a device therefor |
| 06/01/1989 | DE3807622C1 Process for the electrochemical breakdown of halogenated hydrocarbons or other not readily biodegradable halogenated compounds |
| 05/31/1989 | EP0317816A1 Process and device for separating a disperse system into an electrochemical cell |
| 05/31/1989 | EP0317735A2 Apparatus for disinfecting waste water |
| 05/31/1989 | EP0317639A1 Flotation collecter and process for treating aqueous inorganic substance system |
| 05/31/1989 | EP0317556A1 Distillation apparatus and method. |
| 05/31/1989 | EP0317553A1 Process for treating pollutant effluent, particularly in the tanning industry, and plant for implementing the process. |
| 05/31/1989 | EP0179757B1 Method of treating contaminated insoluble organic solid material |
| 05/31/1989 | CN2038581U Recoil health purifier |
| 05/31/1989 | CN2038494U Electrochemistry deoxygen apparatus |
| 05/31/1989 | CN1033176A Process of treatment of para-benzene dicarbonic acid in waste water with ferric salt. |
| 05/30/1989 | US4835444 Radiation-emitting devices |