Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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06/30/2004 | EP1432317A1 Delivery vehicles for environmental remediants |
06/30/2004 | EP1218293B1 On premise water treatment system and method |
06/30/2004 | CN2622703Y Intelligence conductive resistivity monitor |
06/30/2004 | CN2622267Y Cistern having sterilization device |
06/30/2004 | CN2622167Y Batch-type activated sludge method equipment for treating kitchen waste-water |
06/30/2004 | CN2622166Y Multiple trace elements nutrition mineral water apparatus |
06/30/2004 | CN2622165Y Water purification and storage apparatus with Chinese medical stone |
06/30/2004 | CN2622164Y Equipment for treating wastewater contg. nitro-oxidant |
06/30/2004 | CN2622163Y 反应器 Reactor |
06/30/2004 | CN2622162Y Apparatus for automatical treatment of medical waste-water |
06/30/2004 | CN2622161Y Small-sized, deep treatment type super water purification equipment |
06/30/2004 | CN2622160Y Man-power pressing type water purification apparatus |
06/30/2004 | CN2622159Y Back-washing type apparatus for deep purification of water |
06/30/2004 | CN2622158Y Water purification apparatus |
06/30/2004 | CN2622157Y Pipeline type water purification device |
06/30/2004 | CN2622156Y Stable concentration regenerater |
06/30/2004 | CN2622155Y Sulphuric acid ion-exchangex |
06/30/2004 | CN1509329A Phosphotriesterase from agrobaterium radiobacter P230 |
06/30/2004 | CN1509257A Microporous filter media, filtration system containing same and method of making and using |
06/30/2004 | CN1509256A Method for removing phosphorus from sludge |
06/30/2004 | CN1508080A Method for removing micro di-n-butyl phthalate from drinking water by oxidation |
06/30/2004 | CN1508079A Method for preventing mine from generating acid waste water |
06/30/2004 | CN1508078A Method for preparing modified hyphostroma water treatment chemical |
06/30/2004 | CN1508077A Method for treating waste water containing non-ionic surface active agent |
06/30/2004 | CN1508076A Method for retarding and washing membrane pollution during synthesizing polymer flocculant using membrane reactor |
06/30/2004 | CN1508075A Sea water desalination and ion-containing solution treating method and apparatus |
06/30/2004 | CN1508074A Method and apparatus for treating water by catalytic reduction of nano metal-memebrane composite electrode |
06/30/2004 | CN1508073A Fluidized photo catalytic reactor and process for purifying waste water using same |
06/29/2004 | US6756597 Fluid sterilization apparatus |
06/29/2004 | US6756220 Enzymatic polypeptide for use in preventing the development of biofilms |
06/29/2004 | US6755981 Aquarium cleaning system |
06/29/2004 | US6755977 Method in treating aqueous waste feedstream for improving the flux rates, cleaning and the useful life of filter media |
06/29/2004 | US6755973 Waste water treatment process for animal processing contaminant removal |
06/29/2004 | US6755970 Back-flushable spiral wound filter and methods of making and using same |
06/29/2004 | US6755968 Liquid magnetic processing unit |
06/29/2004 | US6755951 Operating in presence of chelate compound that binds multivalent metals; reducing power consumption; preventing membrane fouling |
06/29/2004 | US6755947 Supplying water; bypass valve; electrolytic cell |
06/29/2004 | US6755043 Condenser with integrated deaerator |
06/29/2004 | US6755037 Apparatus and method for extracting potable water from atmosphere |
06/29/2004 | CA2339695C System for removing phosphorus from waste water |
06/24/2004 | WO2004053236A1 Medium and high viscosity hydrocarbon collecting net |
06/24/2004 | WO2004052998A1 Nanoscale core/shell particles and the production thereof |
06/24/2004 | WO2004052961A1 Sterilizing polymers and preparation and use thereof |
06/24/2004 | WO2004052794A1 Environmentally-friendly microbiocidal control in aqueous systems with the aid of a feeder |
06/24/2004 | WO2004052793A2 Solar powered portable water purifier |
06/24/2004 | WO2004052792A1 Waste-water filter, waste-water treatment device and method incorporating the waste-water filter |
06/24/2004 | WO2004052791A1 Process for operating a water recovery plant |
06/24/2004 | WO2004052790A2 Apparatus for treatment of wastewater employing membrane bioreactors |
06/24/2004 | WO2004052789A2 Filter cartridge for a standalone point of use water purification device |
06/24/2004 | WO2004052533A1 Production of magnetic titanium dioxide particles |
06/24/2004 | WO2004052532A1 Improved arsenic removal media |
06/24/2004 | WO2004052108A2 Microbiological control in poultry processing |
06/24/2004 | WO2004043864A3 Extraction methodology for suspended and dissolved material from fruit and vegetable wastewater |
06/24/2004 | WO2004024281A3 Method and system for desalinating water |
06/24/2004 | WO2004022487A3 Compact evaporation apparatus |
06/24/2004 | WO2002050164A9 Anti-microbial and oxidative co-polymer |
06/24/2004 | WO2001094264A3 Water purifying device |
06/24/2004 | US20040122117 comprising a porous polymer having a continuous pore structure, which comprises interconnected macropores and mesopores existing on the walls of the interconnected macropores |
06/24/2004 | US20040121931 Useful for bleaching various surfaces, especially in laundry cleaning |
06/24/2004 | US20040121676 produced by first grafting a reactive monomer having phosphoryl groups onto a polymeric substrate and then loading zirconium; recovering arsenic, phosphoric ion or fluoride ion |
06/24/2004 | US20040121302 for photo-processing of blood products, pharmaceuticals, injectables and vaccines using non-laser light source(s); for inactivating pathogens |
06/24/2004 | US20040121204 Fluid electrical connected flow-through electrochemical cells, system and method |
06/24/2004 | US20040121022 Culture media and methods of making and using culture media |
06/24/2004 | US20040120853 Biocidal control in recovery of oil by water injection |
06/24/2004 | US20040118864 Fluid treatment |
06/24/2004 | US20040118787 dissolving a tablet of chemically pure isocyanuric acid in pool water to create a desired concentration and residual level of isocyanuric acid |
06/24/2004 | US20040118786 Fluid treatment system |
06/24/2004 | US20040118784 Process for removing oil from solid materials recovered from a well bore |
06/24/2004 | US20040118782 presenting a frequency harmonic of magnetic pulses to a volume of water for a predetermined time period with a relaxation time period between each period whereby dissolved calcium at least within the volume of water |
06/24/2004 | US20040118780 includes a reverse osmosis unit and a capacitive deionization unit |
06/24/2004 | US20040118779 first filter stage for filtering chemical contaminants; and a second filter stage coupled to the first for filtering cysts, bacteria, bacterial spores, and/or viruses |
06/24/2004 | US20040118777 Waste oily water is concentrated by expelling permeate water away from the oil component through ceramic membranes of a cross-flow filter in a circulation ring |
06/24/2004 | US20040118776 inert fluorescent tracers and tagged fluorescent agents added to a feed stream to evaluate and/or control one or more parameters specific to membrane separation such that performance thereof can be optimized; waste water treatment |
06/24/2004 | US20040118775 Reduced water and method for producing the same |
06/24/2004 | US20040118767 Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes |
06/24/2004 | US20040118759 Method for water denitrification |
06/24/2004 | US20040118755 Fluid filtration system with fluid flow meter |
06/24/2004 | US20040118752 Method and apparatus for mixture separation |
06/24/2004 | US20040118701 Flow-through oxygenator |
06/24/2004 | US20040118671 Method and apparatus for the thermo-solar distillation and transportation of water from a water table |
06/24/2004 | DE10356208A1 Process to operate small-scale waste water treatment process in a sequential batch reactor or water retained by a lagoon dam, using depth pressure measurements |
06/24/2004 | DE10258414A1 Fluidized bed vessel and backwashable filter for potable water, includes inlet producing rotating, upwardly-directed flow in buffering chamber |
06/24/2004 | DE10257074A1 Method for recovering residual phosphate material from filtered rinse water in metal phosphating process has applied oxidation process to retained solution |
06/24/2004 | DE10256542A1 Drinking water sterilization reactor with inlet and outlet has a series of concentric cylinders with chambers linked by meandering passages |
06/24/2004 | CA2509148A1 Process for operating a water recovery plant |
06/24/2004 | CA2507571A1 Improved arsenic removal media |
06/23/2004 | EP1431674A1 Water heater comprising water softening means |
06/23/2004 | EP1431251A2 Clarification installation with a trickle filter system |
06/23/2004 | EP1431250A2 Water purification system and method |
06/23/2004 | EP1431249A1 Method and apparatus for cleaning and disinfecting surfaces in mobile or permanent toilet systems |
06/23/2004 | EP1431248A2 Water treatment system with low waste volume |
06/23/2004 | EP1429999A1 Composition and the use thereof as a coagulating and flocculating agent |
06/23/2004 | EP1429860A1 Device for magnetically controlled electrodeionisation |
06/23/2004 | EP1387763A4 Polymeric membranes functionalized with egta ligands |
06/23/2004 | EP1276697B1 Treatment of fluids |
06/23/2004 | EP1204475B1 Immobilized photocatalyst |
06/23/2004 | CN2621177Y Purification water bucket with magnetizer |
06/23/2004 | CN2621176Y Water producing device of simulating sea storm chain reaction |
06/23/2004 | CN2621014Y Water dispenser of preventing internal leakage and reverse osmosis |
06/23/2004 | CN1507419A System for the production of ultra-pure laboratory-grade water |