Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
---|
11/08/2000 | CN1272457A New method for treating industrial raw water by using deaerization and softening process |
11/08/2000 | CN1272456A Contact semicoductor capacitor pulse sea-water desalination plant |
11/08/2000 | CN1058336C Method and apapratus for detecting stirred fluid weight |
11/08/2000 | CN1058252C 鱼粉污水处理方法 Fishmeal sewage treatment |
11/08/2000 | CN1058201C Technological method for producing strong adsorbent |
11/07/2000 | US6144175 Low-voltage ballast-free energy-efficient ultraviolet material treatment and purification system and method |
11/07/2000 | US6143692 Adsorbent |
11/07/2000 | US6143258 Apparatus for dispensing drinking water |
11/07/2000 | US6143246 Apparatus for measuring ammonia in biochemical processes |
11/07/2000 | US6143195 Combination of high and low reactive calcium compounds with an adjuvant surfactant and water provides an immediate and long term solution to the acid mine and rock drainage by generating a ph to kill the bacteria, and neutralizing acid generated |
11/07/2000 | US6143186 Comprises a filtration container with an upright container portion having in cross-section a rectangular design, which comprises a filter chamber for receiving granular bulk material, and inner wall comprises inlet and outlet side |
11/07/2000 | US6143184 Air and water purification using continuous breakpoint halogenation |
11/07/2000 | US6143182 Process for chemically oxidizing wastewater with reduced sludge production |
11/07/2000 | US6143175 Injection of a solids-laden water stream into a centrifugal separator |
11/07/2000 | US6143172 Methods for ameliorating hydrocarbon spills in marine and inland waters |
11/07/2000 | US6143171 Magnetic device for treatment of fluids |
11/07/2000 | US6143163 For producing acidic and alkaline water, which is effective in preventing the dissolution of electrode material in the acidic water; applying voltage between the anode and the cathode when the electrolytic cell is in a power cutoff state |
11/07/2000 | US6143058 Adsorbent construction and method |
11/07/2000 | US6143045 Device for magnetic activation of solid, liquid and gas media in which permanent magnets of optional shape are connected to a casing, characterized in that the casing is made from para-, dia- and ferromagnetic materials |
11/07/2000 | US6142384 Personal portable liquid filter device |
11/02/2000 | WO2000065107A1 Metal-collecting apparatus and method for elution and recovery of metal from metal-collecting material |
11/02/2000 | WO2000064822A1 Apparatus and process for separation and recovery of liquid and slurry abrasives used for polishing |
11/02/2000 | WO2000064821A1 Potable water treatment system and method of operation thereof |
11/02/2000 | WO2000064820A1 Ozone enhancing system |
11/02/2000 | WO2000064819A1 Sulfamate stabilization of a bromine biocide in water |
11/02/2000 | WO2000064818A1 Method for disinfecting and purifying liquids and gasses |
11/02/2000 | WO2000064817A1 Waste water treatment during phosphation |
11/02/2000 | WO2000064816A1 Apparatus and process for deoxygenation of water |
11/02/2000 | WO2000064806A1 Stable oxidizing bromine formulations, method of manufacture and uses thereof for biofouling control |
11/02/2000 | WO2000064568A1 Apparatus for producing water containing dissolved ozone |
11/02/2000 | WO2000064567A1 Use of electrolysis gas to lift a filtered liquid |
11/02/2000 | WO2000064560A1 Improved composite filter element |
11/02/2000 | WO2000064325A2 Household appliance using water, namely a washing machine, with improved device for softening the water |
11/02/2000 | WO2000009449A9 Portable water filtration system |
11/02/2000 | EP1049107A1 Substance activating method and device |
11/02/2000 | EP1048620A1 Device for the disinfection of water using a UV-C-gas discharge lamp |
11/02/2000 | EP1047810A1 Corrosion protected treatment device |
11/02/2000 | EP0858432B1 Ultraviolet sterilizing system for wastewater |
11/02/2000 | EP0789595A4 Synergistic biocidal combinations |
11/02/2000 | EP0741672B1 Method for purifying liquid manure |
11/02/2000 | DE19919824A1 Combined oxidation and ultrasonic breaking down of environmentally unfriendly organo-tin compounds in liquids e.g. in ballast water from ships |
11/02/2000 | DE19919169A1 Vorrichtung zur Desinfektion von Wasser mit einer UV-C-Gasentladungslampe An apparatus for disinfection of water having a UV-C-gas discharge lamp |
11/02/2000 | DE19918953A1 Immobilized structure with affinity for metal ions is made by precipitating warmed biomass/(preferably polymeric) matrix suspension and drying to give increased biomass content |
11/02/2000 | DE19918713A1 Abwasseraufbereitung bei der Phosphatierung Wastewater treatment in the phosphating |
11/02/2000 | DE19917164A1 Process and assembly to gauge the de-watering characteristics of a mixture of sludge and flocculant agent allows early assessment of treatment required |
11/02/2000 | DE19847826A1 Production of storage-stable bottled drinking water enriched with both oxygen and carbon dioxide and with oxygen introduced in the form of air |
11/01/2000 | CN2403777Y Antiscaling device for pipeline |
11/01/2000 | CN2403776Y Apparatus for separating ion in solution with magnetolysis |
11/01/2000 | CN2403775Y Electronic water-treating apparatus |
11/01/2000 | CN2403774Y High-frequency water purifier |
11/01/2000 | CN2403773Y Dynamic membrane water treater |
11/01/2000 | CN2403772Y Computer self-control desalting water treatment equipment |
11/01/2000 | CN2403771Y Horizontal helical type centrifuge |
11/01/2000 | CN2403770Y Hot water and seawater desalting device |
11/01/2000 | CN2403769Y Domestic sewage treating and utilizing apparatus |
11/01/2000 | CN2403333Y Self-purifying water storage bottle for drinker |
11/01/2000 | CN2403332Y Water tank of drinker with ultraviolet sterilizing device |
11/01/2000 | CN1272096A Mechanical vapour recompression separation process |
11/01/2000 | CN1271690A Process for treating ammonia-contained waste water |
11/01/2000 | CN1271619A Filter for physically removing bacterial suspended matter and solid particles in water |
10/31/2000 | US6140130 Detection and removal of copper from wastewater streams from semiconductor and printed circuit board processing |
10/31/2000 | US6139855 An enhancer for the performance of a biological active in a topically applied composition comprising an ionized water including an acid water and a basic water |
10/31/2000 | US6139830 Methods for reducing deposit formation on surfaces |
10/31/2000 | US6139756 Method of treating swimming pool water |
10/31/2000 | US6139755 Oxidation method, nozzle system and sewage treatment plant |
10/31/2000 | US6139753 Method for treating acidic waste water |
10/31/2000 | US6139751 Separating heavy metals from mixture by treating with fructan derivative containing complexing groups selected from xanthates, xanthides and/or dithiocarbamates |
10/31/2000 | US6139750 Water desalination |
10/31/2000 | US6139747 Process for cleaning up wastewaters from the preparation of alcohols |
10/31/2000 | US6139742 Apparatus comprising chemically activated microporous membrane made by selectively hydrolyzing polyacetylated material to deacetylate surface layer, oxidizing exposed free hydroxyl groups to form aldehydes, attaching polyamino acid |
10/31/2000 | US6139739 Composite filter element |
10/31/2000 | US6139731 Iodinated water treatment process |
10/31/2000 | US6139726 Treated water dispensing system |
10/31/2000 | US6139717 Process for treating water and apparatus therefor |
10/31/2000 | US6139714 Method and apparatus for adjusting the pH of a liquid |
10/31/2000 | US6139710 Apparatus for electrocoagulation of liquids |
10/31/2000 | US6138703 Chemical feeder |
10/31/2000 | CA2161643C Improvements in bioremediation of hydrocarbon contaminated soils and water |
10/31/2000 | CA2126935C Method and apparatus for water decontamination using electrical discharge |
10/31/2000 | CA2004817C Method and apparatus for treating water |
10/27/2000 | CA2306981A1 Intrinsically bacteriostatic membranes and systems for water purification |
10/26/2000 | WO2000063355A1 Method for treatment of an aqueous flux by electropulsation of a field parallel to the flow, pulsation chamber and uses thereof |
10/26/2000 | WO2000063316A1 Novel composition of ferric chloride and a dialkyl diallyl ammonium polymer and process of preparing the same |
10/26/2000 | WO2000063125A2 Method for conditioning water contaminated with halogenated hydrocarbons |
10/26/2000 | WO2000063124A1 Method and device for cleaning and disinfecting treatment of water |
10/26/2000 | WO2000063123A1 Purifier |
10/26/2000 | WO2000063122A1 Method for purifying turbid water |
10/26/2000 | WO2000063121A1 Fluid filtration system including a mechanism for increasing the flow through the filter |
10/26/2000 | WO2000063119A2 Equality velocity agitating type flocculator |
10/26/2000 | WO2000062920A1 Apparatus and method for treating liquids |
10/26/2000 | WO2000062888A1 Hydrodynamic vortex separator |
10/26/2000 | WO2000062822A1 Method for eliminating legionella from a colonized aqueous flux by electropulsation, method for the treatment of an aqueous flux by electropulsation and use thereof in the elimination of legionella |
10/26/2000 | WO2000062821A1 Method for eliminating protozoas, especially free-living amoebae from a colonized aqueous flux, method for treating an aqueous flux by electropulsation and use thereof in the elimination of protozoas |
10/26/2000 | WO2000062592A2 Method and apparatus improving the efficiency of a steam boiler power generation system |
10/26/2000 | DE19918723A1 Toilet blocks with improved antibacterial activity include a microbicide, e.g. thymol, whose range of activity is improved by the carrier action of p-dichlorobenzene or other fragrance |
10/26/2000 | DE19918422A1 Process to oxygenate water prior to aerobic biological treatment involves using vortex generator |
10/26/2000 | DE19918406A1 Continuous treatment of waste water from silicone manufacture comprises separating solids, extracting siloxanes and separating alcohol |
10/26/2000 | DE19916381A1 Small-scale waste water treatment process has buffer stage to receive effluent water for efficient operation under extreme variations of volume flow |
10/26/2000 | DE19916192C1 Organic contaminant skimming apparatus, e.g. for aquaria, comprises plates arranged between open bottom ends of vertical tubes and water level which form surfaces to which bubbles produced by blowing in air can adhere |
10/26/2000 | CA2388545A1 Method for treatment of an aqueous flux by electropulsation of a field parallel to the flow, pulsation chamber and uses thereof |