| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/08/1999 | DE19753196A1 Production of cellulosic biosorbents, used for removing heavy metals from aqueous solution |
| 07/08/1999 | CA2316806A1 A rapid method for the assessment of the inhibition and kill of anaerobic bacteria by toxic compounds |
| 07/08/1999 | CA2316222A1 A method and a system for purifying water |
| 07/08/1999 | CA2282578A1 Coagulation precipitator |
| 07/07/1999 | EP0927701A1 Apparatus for treating waste water |
| 07/07/1999 | EP0927632A1 Method and device for preparing a fresh cleaning solution and for treating the used solution |
| 07/07/1999 | EP0862538B1 Process and device for treating water contaminated with micro-organisms and/or harmful pollutants |
| 07/07/1999 | EP0861114A4 Non-fouling, flow-through capacitor, system and method of separation |
| 07/07/1999 | EP0824504B1 Improved destruction of electron affinic contaminants during water treatment using free radical processes |
| 07/07/1999 | EP0700476B1 Improvements in bioremediation of hydrocarbon contaminated soils and water |
| 07/07/1999 | CN2327681Y Float style semiclosed magnetized water tank |
| 07/07/1999 | CN2327680Y Magnetizer for treatment of cleaning water |
| 07/07/1999 | CN2327679Y High density electrostatic purifier |
| 07/07/1999 | CN2327678Y Magnetizer for pipe descaling and antiscaling |
| 07/07/1999 | CN2327677Y Water saving water purifier |
| 07/07/1999 | CN2327676Y Intaking controller for ion exchanging water tank |
| 07/07/1999 | CN2327675Y Screw-roll style electric desalter |
| 07/07/1999 | CN1222220A Internal combustion engine using water decomposition gas |
| 07/07/1999 | CN1221708A Method. of adding chemicals in water treatment procedure |
| 07/07/1999 | CN1043986C Polyoxyl sulfato ferrate (bauxite) and its prepn. method |
| 07/07/1999 | CN1043963C Oil-absorbing article |
| 07/06/1999 | US5919980 Recovery and reuse of amphoteric surfactants from aqueous solutions |
| 07/06/1999 | US5919882 High performance anionic polymeric flocculating agents |
| 07/06/1999 | US5919422 Titanium dioxide photo-catalyzer |
| 07/06/1999 | US5919375 Method for adjusting the pH of swimming pool, hot tub, or drinking water with urea hydrochloride |
| 07/06/1999 | US5919374 Method of disinfecting water with iodine species |
| 07/06/1999 | US5919373 Method and system for purification of potable water |
| 07/06/1999 | US5919372 Nonionic surfactant having cyclic 1,3-dioxane and/or 1,3-dioxolane functionality which is irreversibly splittable by lowering the ph of its aqueous solution is useful in various processes requiring the removal of emulsified |
| 07/06/1999 | US5919371 Use of sheet silicates |
| 07/06/1999 | US5919365 Filter device for drinking container |
| 07/06/1999 | US5919357 Filter cartridge assembly |
| 07/06/1999 | US5919350 Destroying biomass wastes |
| 07/06/1999 | US5919289 Deaeration tank |
| 07/06/1999 | US5918773 Combined water purifier/dispenser and walk-in cooler |
| 07/06/1999 | US5918636 Fuel economiser |
| 07/06/1999 | CA2100259C Process for treatment of a fluid |
| 07/06/1999 | CA2085167C Disinfectant for use in aqueous systems |
| 07/01/1999 | WO1999032675A1 A process for recovering zinc values as complex zinc cyanide solution and use of the same for stripping copper from loaded anion exchange material |
| 07/01/1999 | WO1999032409A1 Apparatus and method arranged to provide controllable water treatment customized to the conditions of water supplied to a beverage dispenser |
| 07/01/1999 | WO1999032408A1 Apparatus and process for water treatment |
| 07/01/1999 | WO1999032407A1 Flotation reactor and method for flotation |
| 07/01/1999 | WO1999032212A1 Water filtration method and apparatus |
| 07/01/1999 | WO1999032207A1 Wastewater treating agent, method for wastewater treatment, sludge dehydrant, and method for sludge treatment |
| 07/01/1999 | WO1999032161A1 Multi-compartment plastic woven mesh dry chemistry container |
| 07/01/1999 | DE4042633C2 Compact ion-exchange filter |
| 07/01/1999 | DE19859902A1 Dental sterilized water system |
| 07/01/1999 | DE19756962A1 Flotationsreaktor sowie Verfahren zur Flotation Flotation reactor and process for the flotation |
| 07/01/1999 | DE19756582A1 Decontaminating bottom material in water, useful for treating material in harbor, marine inlets, lake or river |
| 07/01/1999 | DE19756479A1 Coffee filter appliance |
| 07/01/1999 | DE19752719A1 Catalytic reaction between gas-supersaturated fluid containing microbubbles and dispersed or dissolved substances |
| 06/30/1999 | EP0926100A2 Process for purification of waste waters from aldol condensation reaction with following hydrogenation |
| 06/30/1999 | EP0925874A2 Apparatus for receiving metalworking fluid |
| 06/30/1999 | EP0925833A1 Process and device for brine production for a water softening installation |
| 06/30/1999 | EP0925409A1 Absorption means |
| 06/30/1999 | EP0731775A4 High temperature evaporation inhibitor liquid |
| 06/30/1999 | CN2326596Y Direct drinking-water deep-processing production apparatus |
| 06/30/1999 | CN2326594Y Magnetic water-processing device |
| 06/30/1999 | CN2326593Y Multi-magnetic-path high-energy fluid magnetizer |
| 06/30/1999 | CN2326592Y External-regulation central tube throttling type low-temp. after-heat salt solution direct flash-vaporization desalination apparatus |
| 06/30/1999 | CN2326316Y Water-valve type purifying magnetizing device |
| 06/30/1999 | CN1221355A Pour-through and pitcher mounted water filter |
| 06/30/1999 | CN1220976A Method for producing magnetized ozone water and its device |
| 06/30/1999 | CN1220975A Sewage treatment device |
| 06/30/1999 | CN1220974A Sewage treatment device |
| 06/30/1999 | CN1220973A Preparation oxygen-enriched drinking water using low-temp. high-pressure mixed technology |
| 06/30/1999 | CN1220972A Treatment method for waste water |
| 06/30/1999 | CN1220971A Process for cleaning up wastewaters from aldolization reaction which is followed by hydrogenation |
| 06/30/1999 | CN1220846A Beverage containing medical stone granules and its manufacture technology |
| 06/30/1999 | CN1220826A Method for producing agricultural insecticide sterilization magnetic polarization high-voltage ion water and its device |
| 06/30/1999 | CN1043850C Water filter cartridge |
| 06/30/1999 | CN1043848C Evaporation means and method |
| 06/29/1999 | US5917094 Acrolein-releasing emulsion homopolymers |
| 06/29/1999 | US5916991 Composition and method for water clarification |
| 06/29/1999 | US5916533 Apparatus and method for the controlled application of soluble chemicals to a body of water |
| 06/29/1999 | US5916505 Improved proton exchange membrane for use in electrochemical cells having internal passages parallel to the membrane surface |
| 06/29/1999 | US5916490 Humidifier and means for removing calcium carbonate from water |
| 06/29/1999 | US5916447 Method for water treatment |
| 06/29/1999 | US5916444 Promoting growth of biomass or algae until the nitrates, the main nutrient for algae have been depleted to an acceptable level and removed from the water without oxidizing or destroying the algae; water treatment of swimming pools |
| 06/29/1999 | US5916440 Rigid membrane fluid treatment module |
| 06/29/1999 | US5916439 Advanced safe water treatment system |
| 06/29/1999 | US5916437 Domestic sewage cleaning system |
| 06/29/1999 | CA2150076C Bead for removing dissolved metal contaminants |
| 06/29/1999 | CA2140923C Lowering the ph of textile processing solution with an acid/base salt as a ph adjusting agent |
| 06/29/1999 | CA2088475C Zebra mussel (dreissena polymorpha) and other aquatic organism control |
| 06/26/1999 | CA2244645A1 Decomposition apparatus of organic compound, decomposition method thereof, excimer uv lamp and excimer emission apparatus |
| 06/24/1999 | WO1999031018A1 Chemical feeder |
| 06/24/1999 | WO1999031017A1 Method of removing harmful ions and remover for use in the same |
| 06/24/1999 | WO1999031016A1 Method and system for removing solutes from a fluid using magnetically conditioned coagulation |
| 06/24/1999 | WO1999031015A1 Method and apparatus for treating liquids and slurries |
| 06/24/1999 | WO1999030794A1 Water continuous emulsion polymers for improving the efficiency of filtration, clarification and scale control in the bayer process |
| 06/24/1999 | WO1999017879A3 Method for producing an anion-exchanging mineral and use of said mineral |
| 06/24/1999 | WO1999001607A3 Enzymatic oxidation system with novel enzymatic-effect enhancing compounds |
| 06/24/1999 | WO1998058136A9 Method of controlling the amount of sanitizing agent in an aqueous medium |
| 06/24/1999 | DE19758324A1 Electromagnet regular cycle interrupted by a third cycle of reverse polarity, useful for minimizing accumulation of iron deposits in hot water system |
| 06/24/1999 | DE19757496A1 Photocatalysts comprising metal oxide and metal ions |
| 06/24/1999 | DE19755840A1 Removal of iron from water supply |
| 06/24/1999 | DE19755319A1 Compositions for treating water-bed water |
| 06/24/1999 | DE19753856A1 Molded articles made of synthetic resin containing nephrite jade powder |
| 06/24/1999 | CA2314946A1 Water continuous emulsion polymers for improving the efficiency of filtration, clarification and scale control in the bayer process |
| 06/24/1999 | CA2314149A1 Method of removing harmful ions and removing agent used therefor |