Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
10/2003
10/21/2003US6635149 Water purification system
10/16/2003WO2003085198A2 Rapid-action agent for preparing cold and hot beverages from drinking water
10/16/2003WO2003085143A2 Evaporator tube for a sea water desalination plant
10/16/2003WO2003085002A1 Cross-linked polymers based on cyclodextrins for removing polluting agents
10/16/2003WO2003084882A1 Composite water filter
10/16/2003WO2003084879A1 Apparatus for irradiating fluids with uv
10/16/2003WO2003084878A1 Use of agricultural grains, plant parts thereof, and grinding residues for decontaminating waters that are polluted with chlorinated hydrocarbon
10/16/2003WO2003084875A1 Water filter cartridge comprising an exchangeable testing unit that contains a conductance sensor
10/16/2003WO2003084683A2 Redox bipolar cell fabric washer system
10/16/2003WO2003084633A1 Method and apparatus for removing chlorine from water and methods for manufacturing the same
10/16/2003WO2003072242A3 Multi-functional protective materials and methods for use
10/16/2003WO2003068686A3 Water filters and processes for using the same
10/16/2003WO2003059822A3 Chromatogtraphy apparatus and electrolytic method for purifying an aqueous stream containing a contaminant iom
10/16/2003US20030194661 Method to reduce corrosivity of photographic processing effluent
10/16/2003US20030192834 Wet oxidation of nitrogen oxides using hydraulic down- and updraft columns
10/16/2003US20030192833 Water purifying apparatus
10/16/2003US20030192832 Waster water treatment and pollution control
10/16/2003US20030192831 Sewage treatment by exposing waste to intense alternating mechanical field, at sonic and/or ultrasonic frequencies; cavitation along spiral-shaped paths between rotating disks; adding alkaline material
10/16/2003US20030192828 Charge mosaic membrane, its production process, method of its use, and apparatus provided with the same
10/16/2003US20030192820 Hollow fiber membrane contactor
10/16/2003US20030192783 Electrodeionization apparatus with resilient endblock
10/16/2003US20030192428 Hollow fiber membrane contactor
10/16/2003DE20312893U1 Small clarification device, for removing microbes from water comprises a chamber and a height-adjustable clarified water pump and aerator
10/16/2003DE20312329U1 Permanent magnet arrangement, for magnetically treating water and propellants, comprises two six-sided plastic housings elastically joined together and open on one side for receiving one or more exchangeable permanent magnets
10/16/2003CA2482140A1 Rapid-action agent for preparing cold and hot beverages from drinking water
10/16/2003CA2481832A1 Cross-linked polymers based on cyclodextrins for removing polluting agents
10/15/2003EP1351896A1 Method for the recovery of iron from acidic, metal-contaminated water
10/15/2003EP1351895A2 Method and conditioning agent for treating waste water and air pollutants
10/15/2003EP1351894A1 Aerobic polishing system for wastewater
10/15/2003EP1351893A1 Device and method for generating and applying ozonated water
10/15/2003EP1351892A2 Method for accelerating biocatalytic and/or hormonal processes and use of the same
10/15/2003EP1351891A1 Method for utilising a waste slurry from silicon wafer production
10/15/2003EP1351890A2 Fluid treatment system and radiation source module for use therein
10/15/2003EP1351889A1 Phosphate stabilizing compositions
10/15/2003EP1351888A2 Improved efficiency water desalination/purification
10/15/2003EP1115469B1 Fibrous products containing active substances, a method for the production thereof, and use of the same
10/15/2003EP0912445B1 Method and device for treating a liquid medium
10/15/2003CN2580302Y Automatic stirring salt dissolving device for large boiler
10/15/2003CN2579886Y Independent city water device
10/15/2003CN2579885Y Float treating device for paper-makinbg thick black liquid
10/15/2003CN2579884Y High frequency electromagnetic field water processor
10/15/2003CN2579883Y Water holding bucket magnetizing belt for drinking water machine
10/15/2003CN2579882Y Improved electrolytic water generator
10/15/2003CN2579881Y Full automatic water softening sodium ion exchanger
10/15/2003CN2579880Y Oil field waste water treating device
10/15/2003CN2579879Y Oil and water separator for removing slag
10/15/2003CN2579878Y Pressure water storage bucket installed ultraviolet sterilizer
10/15/2003CN2579877Y Drinknig water purifier
10/15/2003CN2579876Y Air floating type water purifier
10/15/2003CN2579875Y Automatic recovering and reutilizing device for domestic waste water
10/15/2003CN1449411A Paper-making or non paper-making use of a starchy composition containing a selected cationic starch material
10/15/2003CN1449363A Method and apparatus for treating wastewater using membrane filters
10/15/2003CN1449362A Process and apparatus for removal of heavy metals from wastewater
10/15/2003CN1449307A Complexing structure, device and method for treating liquid effluents
10/15/2003CN1449301A Process and apparatus for blending product liquid from different tfc membranes
10/15/2003CN1448959A Integral method for reprocessing spent fuel
10/15/2003CN1448345A System for producing ozone water and control method thereof
10/15/2003CN1448344A Process for treatment of waste water containing boron
10/15/2003CN1448343A Compounded flocculant and its prep.
10/15/2003CN1448342A Process for treating cyclic cooling water
10/15/2003CN1448341A Cesspool sealing method
10/15/2003CN1448198A System for decomposing organic compound
10/15/2003CN1124441C Method of improving combustion performance of organic waste alkali liquor
10/15/2003CN1124306C Improved polymer blends for dewatering
10/15/2003CN1124235C Method for treating dreg containing arsenic
10/15/2003CN1124234C Straw pulp papermaking sewage treating process
10/15/2003CN1124233C Method of disinfecting water with iodine species
10/15/2003CN1124232C Device and method for treating water containing phosphoric acid ion
10/15/2003CN1124231C Closed-circuit circulation process for controlling epoxy resin high-concentration waste water
10/15/2003CN1124230C Acidifying and self-extraction process for treating waste alkali solution of octanol
10/15/2003CN1124169C Double filter layer filtering bed process for treating printing and dyeing effluents
10/14/2003US6633624 Condensate demineralization
10/14/2003US6633109 Dielectric barrier discharge-driven (V)UV light source for fluid treatment
10/14/2003US6633042 Solar photoreactor
10/14/2003US6632973 Detoxification of solutions of dioxin with oxidation catalysts Introducing a liquid containing dioxins and/or PCBs, and oxygen containing gas to a reactor in which catalyst exists, and conducting wet-oxidation reaction under liquid phase
10/14/2003US6632771 Silica gel carrying titanium oxide photocatalyst
10/14/2003US6632501 For filtering/removing liquid hydrocarbon from surface of body of contaminated water; purification; pollution control
10/14/2003US6632367 Nuclear reactors
10/14/2003US6632366 Cellulose acetate propionate or cellulose acetate butyrate.
10/14/2003US6632363 Hydrophobic composition distributes the microbial agent efficiently and uniformly to the water application and target plants and/or organisms.
10/14/2003US6632362 Vacuum retort anaerobic digestion (VRAD) system and process
10/14/2003US6632361 A hydrophilically acting shaped object with porous structure forms a flat, tubular or hollow fiber membrane for pyrogen retention, comprising a synthetic polymer component and an additive of copolymer of vinylpyrrolidone and vinylimidazole
10/14/2003US6632355 Low spillage replaceable water filter assembly
10/14/2003US6632352 Multi-stage filter
10/14/2003US6632347 Electrochemical treatment of an aqueous solution
10/14/2003US6632336 Portable; electrolysis
10/14/2003US6632332 Method of reinforcing catalyst reaction
10/14/2003US6632327 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product
10/14/2003CA2102813C Liquid treatment
10/14/2003CA2060042C Water soluble block copolymers and methods of use thereof
10/14/2003CA2023025C Process of extracting anions with quaternary amines
10/10/2003CA2381392A1 Aerobic treatment of liquids to remove nutrients and control odors
10/09/2003WO2003083201A1 Washing machine
10/09/2003WO2003082793A1 Process for the recovery of fluorine-containing emulsifier
10/09/2003WO2003082753A1 Method and device for destroying cellular structures in waste water and sludge in biological sewage works
10/09/2003WO2003082751A1 Electrochemical process for decontamination of radioactive materials
10/09/2003WO2003082750A1 Apparatus and a method for treating effluent
10/09/2003WO2003082748A1 Process for regenerating ion-exchange resins
10/09/2003WO2003082747A1 Effluent and wastewater treatment apparatus
10/09/2003WO2003082450A1 Method of monitoring membrane separation processes