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