Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
10/2003
10/30/2003WO2003088864A2 Shaped flow distribution in filtration cassettes
10/30/2003WO2002101372A3 System for optimized control of multiple oxidizer feedstreams
10/30/2003WO2002074448A8 Coatings for modifying hard surfaces and processes for applying the same
10/30/2003WO2002070612A8 System and method for cleaning and/or treating vehicle surfaces
10/30/2003WO2002060998A8 Rinse aid surface coating compositions for modifying dishware surfaces
10/30/2003WO2002058449A8 Activated water apparatus and methods
10/30/2003WO2002012131A3 Antioxidants in clusters of structured water
10/30/2003US20030204024 For use in waste water treatment, especially sewage treatment
10/30/2003US20030203827 Method of simultaneously cleaning and disinfecting industrial water systems
10/30/2003US20030202786 Water treatment system and water heater with cathodic protection and method
10/30/2003US20030201731 Inductively powered lamp assembly
10/30/2003US20030201236 Adjustment of physical properties; bombardment with various frequencies; water purification
10/30/2003US20030201235 Fractional deionization process
10/30/2003US20030201234 Method and apparatus for controlling water system fouling
10/30/2003US20030201233 Mixing with base; adjustment pH; flocculation; storage
10/30/2003US20030201232 Flotation/fractionation systems for treating liquids and in separation of liquids to be treated thereby
10/30/2003US20030201231 Microporous filter media, filtration systems containing same, and methods of making and using
10/30/2003US20030201226 Forming sludge from grease trap wastes; pasteurization
10/30/2003US20030201225 Organic slurry treatment process
10/30/2003US20030201219 Apparatus for directing fluids through a filter system
10/30/2003US20030201159 Method for treating colored liquid and apparatus for treating colored liquid
10/30/2003US20030200997 Forming chlorine dioxide in situ using alakli halites or halates; killing microorganisms
10/30/2003US20030200868 Reducing fluid flow to remove impurities; pressurized filtration system
10/30/2003US20030200604 Spa with ozone gas removal system
10/30/2003US20030200603 Swimming pool water treatment plant
10/30/2003CA2483146A1 Essentially insoluble heavy metal sulfide slurry for wastewater treatment
10/30/2003CA2482710A1 Method for treating waste stream
10/30/2003CA2480657A1 Shaped flow distribution in filtration cassettes
10/29/2003EP1357088A1 A swimming pool water treatment plant
10/29/2003EP1357087A2 Process for recovery of nutrients from wastewater
10/29/2003EP1356322A2 Appliances having uv disinfection device and method
10/29/2003EP1356135A2 Large-dimension electrode
10/29/2003EP1355995A2 Rinse aid surface coating compositions for modifying dishware surfaces
10/29/2003EP1355992A1 System and method for cleaning and/or treating vehicle surfaces
10/29/2003EP1355883A2 Novel multidentate sulfur-containing ligands
10/29/2003EP1355859A2 Osmotic desalination process
10/29/2003EP1355734A2 Activated water apparatus and methods
10/29/2003EP1355729A1 Microbial resistant water purification and collection system
10/29/2003EP1355679A1 Microorganism neutralization device and method
10/29/2003EP1283820B1 Granular ceramic material with high porosity
10/29/2003EP1166382B1 Production of tubular fuel cells, fuel cell modules, base elements and ion exchanger membranes
10/29/2003EP1133231B1 Biocide composition and sterilization method using the same
10/29/2003CN2583091Y Fully automatic iron-remover for underground water
10/29/2003CN2583090Y Integrated water treatment device
10/29/2003CN2583089Y Rotary magnetizer for liquid flowing
10/29/2003CN2583088Y Frequency spectrum magnetized treater
10/29/2003CN2583087Y Pretreatment device in reverse osmosis membrane sed water desalination apparatus
10/29/2003CN2583086Y Water-purifying center for kitchen
10/29/2003CN2583085Y High magnetic filter for running water device
10/29/2003CN2583084Y Columnar hollow filtering material for water treatment
10/29/2003CN2583083Y Automatic control system for floatnig bed type sodium ion exchange
10/29/2003CN2583082Y Plastic and ion exchanging device
10/29/2003CN2583081Y Domestic soft water device
10/29/2003CN2583080Y UV controlling device for preventing 'water bloom' and 'red tide'
10/29/2003CN2583079Y Vortex self-absorbent flotation machine
10/29/2003CN2583078Y Plate-folding water-collecting and drainage groove
10/29/2003CN2583077Y Sewage treatment equipment
10/29/2003CN1452803A Method for treating and conditioning cooling water for alternator stator operating in ventilated mode, and device therefor
10/29/2003CN1452597A Method for treating waste by hydrothermal oxidation
10/29/2003CN1452596A Method and apparatus for producing high functional water contg. titanium
10/29/2003CN1452595A Method for treating and activating sea water and polluted water into drinking water
10/29/2003CN1452594A Methods of synthesizing oxidant and applications thereof
10/29/2003CN1452523A Tube scraper
10/29/2003CN1451614A Diffusionless full-sealed hospital sewage treating system
10/29/2003CN1451613A Organic ecological regulator for artificial shrimp pond water and preparing method thereof
10/29/2003CN1451612A Organic polymer flocculating agent and preparing process thereof
10/29/2003CN1451611A Waste water reuse system
10/29/2003CN1451610A Method for deeper treatment and reuse of oil production waste water in oil field by membrane separation
10/29/2003CN1451609A Method for producing resin liquid
10/29/2003CN1125863C Process for evaporating concentrating and drying waste saponifying alkali solution
10/29/2003CN1125853C Aqueous dispension of polymer with high characteristic viscosity and preparation and use thereof
10/29/2003CN1125785C Process for purifying floated algin and waste Ca solution from algin factory
10/29/2003CN1125784C Housing and method that provide exended resident time for dissolving generated oxygen into water
10/29/2003CN1125783C Water treatment process
10/29/2003CN1125782C Suspension and photocatalytic oxidization process and equipment combined with membrane separator for treating water
10/28/2003US6640052 Dual temperature water dispensing device
10/28/2003US6639098 Bioremediation of impurties obtained through microorganismal reduction; obtain sample, incubate with ester of hydroxy acid, monitor by-products
10/28/2003US6639069 Method of preparing and uses of cucurbituril devices
10/28/2003US6638959 Microbiological control in aqueous systems
10/28/2003US6638452 Clarified sludge pellets, still hot or warm due to thermal drying, are held at temperature in a sanitizer for a dwell time of at least 10 min and thus sanitized and additionally dried
10/28/2003US6638434 Method for automatically controlling the level of dissolved oxygen in water based on a pressure tank system equipped with sterilizer
10/28/2003US6638432 Method of treating waste liquid
10/28/2003US6638431 Formulation and method for treating wetted surface elements in climate control systems
10/28/2003US6638428 By placing an oil on top of a solution-to-be filtered, where the oil is not admixable with the solution and has a lower specific gravity than the solution. The oil seals the solution from air
10/28/2003US6638427 Waste water treatment method being able to treat surface active agent, nitrogen, hydrogen peroxide and phosphor with high efficiency
10/28/2003US6638426 Water purifying apparatus
10/28/2003US6638422 Liquid filtration apparatus and method embodying filtration particles having specific gravity less than liquid being filtered
10/28/2003US6638421 Water treatment control system using fluorescence analyzer
10/28/2003US6638420 Apparatus for sewage treatment
10/28/2003US6638404 Ion selective electrode
10/28/2003US6637731 Diffuser for use in a carbonic acid control system
10/28/2003US6637135 Contaminated sediment removal vessel
10/28/2003CA2300247C Anti-bacteria agent made from shell, and methods for purifying and desalinating water and for washing agricultural products with use thereof
10/28/2003CA2181007C Apparatus and method for discharging fluid additives into a water treatment vessel
10/25/2003CA2426556A1 A swimming pool water treatment plant
10/23/2003WO2003087569A1 Barge-mounted tidal-powered desalinization system
10/23/2003WO2003087460A1 Washing appliance water softener
10/23/2003WO2003086991A1 Method and device for drying and gasifying sludge
10/23/2003WO2003086990A1 Method of treating organic wastewater and sludge and treatment apparatus therefor
10/23/2003WO2003086989A1 Method for the disintegration of sludge
1 ... 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 ... 1452