| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 03/10/1988 | DE3630486A1 Scrubbing water treatment process for simultaneous SO2/NOx wet scrubbing |
| 03/10/1988 | DE3629288A1 Device for removing boiler scales or for preventing boiler scales from forming |
| 03/09/1988 | EP0259038A2 Dispenser for water conditioning material |
| 03/09/1988 | EP0258979A1 Apparatus for simultaneous heat and mass transfer |
| 03/09/1988 | EP0258546A1 Process for purifying water circuits for the production of pulp, half stuff and paper |
| 03/09/1988 | EP0258237A1 Method and apparatus for reducing pitting in copper water pipes. |
| 03/09/1988 | CN87207107U Water-magnetizing device for gas-pressure thermos |
| 03/09/1988 | CN85106102A Method of production of a purifying agent for polluted water |
| 03/08/1988 | US4729880 Sanitizing toilets with solid cake of calcium hypochlorite |
| 03/08/1988 | US4729835 Organosulfur compounds, hydrogen peroxide, oxidation, oxotungsten catalyst |
| 03/08/1988 | US4729832 Wood preservatives |
| 03/08/1988 | US4729831 Method for preventing the bulking of activated sludge |
| 03/08/1988 | US4729795 Water treatment, clarification and coagulation, polysaccharides |
| 03/08/1988 | CA1233919A1 Microcomputer controlled demand/scheduled water softener having automatic resin bed sensing |
| 03/08/1988 | CA1233754A1 Ultrafiltration of a nuclear reactor's pressurized cooling water |
| 03/08/1988 | CA1233745A1 Antimicrobial adjustment technique |
| 03/08/1988 | CA1233735A1 Treatment of wash water in paint spray booths |
| 03/03/1988 | DE3629203A1 Process for disposing of photoresist solutions |
| 03/03/1988 | DE3629010A1 Dental equipment having a low organism count |
| 03/02/1988 | EP0257983A2 Method for treating waste water |
| 03/02/1988 | EP0257284A2 Method for adding odour and/or corrosion preventing agents to waste water |
| 03/02/1988 | CN86105068A Purification technology of pulluted water with quartz powder |
| 03/01/1988 | US4728497 Anticorrosion of boilers |
| 03/01/1988 | US4728442 Water treatment |
| 03/01/1988 | US4728441 Electrical waste water treatment system employing oxygen recovery and ozone injection means |
| 03/01/1988 | US4728439 Ion exchange |
| 03/01/1988 | US4728438 Secondary silica removal |
| 03/01/1988 | US4728437 Treatment and disposal of wastewaters containing carbon black and ash |
| 03/01/1988 | US4728410 In electrolytic cell |
| 03/01/1988 | US4728404 Electrolytic |
| 03/01/1988 | US4728403 Coagulation, floation with metal hydroxide |
| 03/01/1988 | US4728397 Apparatus for desalinating salt water by membrane distillation |
| 03/01/1988 | US4728368 Ultrasonic cleaning in liquid purification systems |
| 03/01/1988 | CA1233430A1 Water purification apparatus |
| 03/01/1988 | CA1233330A1 Method and equipment for utilization of the freezing heat of water as a source of heat of a heat pump |
| 02/24/1988 | EP0256883A1 Method of removing sulfate from an aqueous sodium sulfate solution |
| 02/24/1988 | EP0256734A1 Water purification system |
| 02/24/1988 | EP0256504A1 Process for the extraction of nitro-hydroxy-aromates from aqueous solutions |
| 02/24/1988 | EP0256096A1 Primary refrigerant eutectic freezing (preuf) process |
| 02/24/1988 | EP0256013A1 Filter apparatus for removing hydro carbon contaminents from water, particularly for purifying oil contaminated water |
| 02/24/1988 | CN86209006U Fast sediment purifier for suspended impurity in waste liquid |
| 02/24/1988 | CN86205132U Flow electro-nascent oxygen bactericidal device |
| 02/23/1988 | US4726905 Method for removing polychlorinated biphenyl compounds from water |
| 02/18/1988 | DE3627501A1 Apparatus for the rate-proportional metering of additives |
| 02/18/1988 | DE3626885A1 Process and reactor for disposing of refuse incineration residues |
| 02/17/1988 | EP0255914A2 Scale removal and prevention device |
| 02/17/1988 | CN87205090U Domestic drinking water purifier |
| 02/16/1988 | US4725670 High-cysteine peptides with alpha-glutamic acid units, process for their production and application of same |
| 02/16/1988 | US4725624 Biocidal compositions and use thereof containing a synergistic mixture of 2-bromo-2-nitropropane-1,3-diol and n-alkyl dimethyl benzyl ammonium chloride |
| 02/16/1988 | US4725623 Biocidal compositions and use thereof containing a synergistic mixture of 2-bromo-2-nitropropane-1,3-diol and n-dodecylguanidine |
| 02/16/1988 | US4725612 Synergistic microbiocidal compositions containing a mixture of a bicyclic polyoxymethylene oxazolidine and a 1,2-benzisothiazolin-3-one |
| 02/16/1988 | US4725587 Papermaking and pulping; water systems; cooling |
| 02/16/1988 | US4725361 Adsorption on activated alumina and zeolite type y; degradation by air or steam; regeneration |
| 02/16/1988 | US4725360 Ion exchanging; aqueous sulfuric acid elution |
| 02/16/1988 | US4725359 Potable water from internal combustion engines |
| 02/16/1988 | US4725357 Microbial digestion, reduction of hexavalent selenates, entrainment, volatilization |
| 02/16/1988 | US4725354 For water treatment; disposable cartridge |
| 02/16/1988 | CA1232901A1 Parallel flow injection mixing system |
| 02/11/1988 | WO1988000987A1 A device for silverizing water |
| 02/11/1988 | WO1988000928A1 Calcium hypochlorite compositions |
| 02/11/1988 | WO1988000927A1 Method for the treatment of sewage and other impure water |
| 02/11/1988 | WO1988000926A1 Method and apparatus for electrolytic treatment of liquids, especially waste water |
| 02/11/1988 | WO1988000856A1 Automatically adjustable weir and environmentally protected sensor |
| 02/11/1988 | DE3626736A1 Salt storage vessel for a water-softening device |
| 02/10/1988 | EP0255672A1 Resin catalysts and process for their production |
| 02/10/1988 | EP0255629A1 Method for processing aqueous solutions of fluosilicic acid |
| 02/10/1988 | CN87105061A Extraction method and equipment for the enriched effective components of mai-fan-shi |
| 02/10/1988 | CN86104970A Preparation of heavy metal gathering agent using waste containing cellulose |
| 02/10/1988 | CN85100185B Waste water from luminous powder treatment by pptn. |
| 02/09/1988 | US4724104 Humidifier provided with a purifier |
| 02/09/1988 | US4724085 Pretreat with coagulant, then with cationic, and anionic polyelectrolytes |
| 02/09/1988 | US4724084 System for removing toxic organics and metals from manufacturing wastewater |
| 02/09/1988 | US4724079 Ion exchange adsorption, filtration, reverse osmosis, closed holding system |
| 02/09/1988 | US4724073 Reactor piping and flow control system |
| 02/09/1988 | US4724059 Conductivity probes to detect liquid in anode, cathode compartments, flushing means and vacuum chamber |
| 02/09/1988 | US4724045 Pulp decolor process |
| 02/09/1988 | US4724044 Apparatus for pollution control of industrial waste systems |
| 02/09/1988 | US4723992 Spreading iron, chromium, or aluminum salts with a weak acid on to surface |
| 02/09/1988 | CA1232570A1 Apparatus for electrochemical purification of contaminated liquids |
| 02/05/1988 | EP0198022A4 Evaporative heat exchanger. |
| 02/04/1988 | DE3625452A1 Drying substances in permanent throughflow |
| 02/03/1988 | EP0255283A1 Products and processes for the flocculation of aqueous suspensions |
| 02/03/1988 | EP0255239A1 Biocidal compositions and use thereof |
| 02/03/1988 | EP0255015A1 Liquid purification installation |
| 02/03/1988 | EP0254892A2 Method and apparatus for removing volatile components from an aqueous medium |
| 02/03/1988 | CN87105308A Management of photoresist materials containing waste solution |
| 02/02/1988 | US4722799 Natural gas desulphurizing apparatus and method |
| 02/02/1988 | US4722460 Underwater granular algaecide dispenser |
| 02/02/1988 | CA1232378A1 Water treatment process for waters carrying heavy metals such as chromium |
| 02/02/1988 | CA1232260A1 Porous water-treating material and process for producing the same |
| 02/02/1988 | CA1232231A1 Apparatus for electrochemical purification of contaminated liquids |
| 02/02/1988 | CA1232138A1 Removal of radium from aqueous liquids |
| 01/28/1988 | WO1988000574A1 Method of treating water by making use of proton releasing material and/or magnetic field and apparatus for use in said method |
| 01/27/1988 | EP0254704A1 Dispersant compositions for treating oil slicks on the surface of water |
| 01/27/1988 | EP0254550A1 Treatment of photoresist materials containing waste solution |
| 01/27/1988 | EP0254519A2 Method for preparation of ultrapurified water |
| 01/27/1988 | EP0254413A2 Silver-ionic water and its uses |
| 01/27/1988 | EP0254404A2 Method for controlling macroinvertebrates |
| 01/27/1988 | EP0254403A2 Method for controlling macroinvertebrates |
| 01/27/1988 | EP0254024A2 Process and installation for converting sewage sludge filter cake to oil, gas and coke by pyrolysis |