Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
07/2004
07/29/2004WO2004063424A2 Two-stage or multi-stage method for treating phosphated rinsing water using a membrane
07/29/2004WO2004063100A2 Sanitization system and system components producing ozonated liquid
07/29/2004WO2004063099A1 Cold ceramics
07/29/2004WO2004063098A2 Pulsed electric field sanitization system and system components
07/29/2004WO2004063097A1 Method of adding active carbon in water purification and method of water purification
07/29/2004WO2004062795A1 Optically transparent tio2 thin films on glass having anti-bacterial and anti-virus activities and method for preparing the same
07/29/2004WO2004062774A2 Direct osmosis cleaning
07/29/2004WO2004062771A1 Method of removing tacky substance or waste liquid containing tacky substance
07/29/2004WO2004062769A1 Filter cartridge having bypass feature
07/29/2004WO2004062767A1 Method of concentrating and removing harmful substance using double-stranded dna and adsorbent and apparatus therefor
07/29/2004WO2004049116A3 Wet and dry weather water flows disinfection system
07/29/2004WO2004043867A3 Anaerobic fermenter
07/29/2004WO2004039187A3 Multu-functional protective textiles and methods for decontamination
07/29/2004WO2004038752A3 Contiguous capillary electrospray sources and analytical device
07/29/2004WO2004035167A3 Hydrate-based desalination/purification using permeable support member
07/29/2004WO2004016553A3 Rare earth metal compounds, methods of making, and methods of using the same
07/29/2004WO2004014315A3 Selective plasma exchange therapy
07/29/2004WO2003093535A3 Electrolysis cell and method
07/29/2004WO2003076341B1 Microbial control system
07/29/2004US20040147397 a carbon precursor of soft wood is soaked in a solution of a ferric salt, dried, pyrolized and activated; waste water treatment; recovery of dissolved gold cyanide complexes and precious metals; fine particle size and homogeneous magnetism
07/29/2004US20040146779 Modular electrochemical cell
07/29/2004US20040144735 Process for removing interstitual water from a wastewater sludge
07/29/2004US20040144733 Excimer gas discharge light source which is configured to expose a fluid passing through a treatment chamber to radiation
07/29/2004US20040144732 Detoxification of onium compounds
07/29/2004US20040144731 Injecting clay slurry into a clay settling area; injecting polymeric flocculating agent to cause clay fines in the clay slurry to flocculate and settle; the flocculated clay sedimenting to form a thickened clay and a supernatant fluid
07/29/2004US20040144730 Method and unit for the treatment of water by ballasted flocculation and gravity separation with variable function modes
07/29/2004US20040144729 Process for removing arsenic from aqueous streams
07/29/2004US20040144728 Continuously regenerating a reactive filter media while simultaneously filtering contaminants from fluid flowing through the filter media
07/29/2004US20040144727 Drawing water from a pressurized water source through a controlling device to a treating vessel; contacting said water with pressurized air to release hydrogen sulfide and offensive odors; flowing the water through a filter bed of calcite mineral
07/29/2004US20040144725 Feedwater is conveyed throughsupply conduit and reverse osmosis unit at a pressure that exceeds the osmotic pressure for solids dissolved in feedwater; first stream of fresh water is withdrawn from the reverse osmosis unit as permeate
07/29/2004US20040144720 Method for treating wastewater/water with fixed-film microorganism on porous carriers
07/29/2004US20040144719 treatment of wastewater containing human waste in a container comprising applying to the sludge a biologically effective amount of composition containing a lignosulfonate and sludge digesting microbes
07/29/2004US20040144718 Process and plant for cleaning waste water
07/29/2004US20040144711 Portable drinking device
07/29/2004US20040144707 A water treatment system comprising a magnetic field generator for fluxing and directing water fluid go through or cut through the magnetic line in an angle, filtration; reduce membrane fouling, changing most precipitates to aragonite
07/29/2004US20040144704 System to save and recycle domestic water
07/29/2004US20040144702 Controller for salt dosage for a water softener and method of regenerating a water softener
07/29/2004US20040144701 Raw liquid cleaning device and method
07/29/2004US20040144699 Buoyant water chlorinator with range indicators for temperature , pH measurement and chlorine concentration
07/29/2004US20040144402 Cleaning using solution of alkali metal bisulfate and mineral acid
07/29/2004DE202004003950U1 Separator for removing grease from waste water comprises tank fitted with feed pipe with scooped end, angled plate with apertures aiding mixing and cap at top of water outlet pipe regulating its flow
07/29/2004DE10346740A1 Absorbing method for oil and other emulsions in water, involves drawing net system, which is comprised of ready-made and loose oil binders, from vessel at defined depth using drags
07/29/2004DE10303198A1 Process for absorbing oil floating on water uses a light hydrophobic device consisting of heat-insulating mats or granulate impregnated with liquid silicon, siloxane or other hydrophobic material and packed in jute, filter fleece, or net
07/29/2004DE10303142A1 Fluidized bed vessel and backwashable filter for potable water, includes inlet producing rotating, upwardly-directed flow in buffering chamber
07/29/2004DE10301860A1 Membrane filter assembly with capillary membranes, to clean drinking water and treat communal/industrial sewage, has a circuit linked to the permeate collection zone and a cleaning liquid feed to clean them together
07/29/2004DE10301376A1 Thermal disinfector for continuous water flow has heated vessel with regulated electrical heater and heat exchange between inlet and outlet flows
07/29/2004CA2512935A1 Sanitization system and system components
07/29/2004CA2456248A1 Method of dissolving scale
07/28/2004EP1440944A1 Waste water treatment method
07/28/2004EP1440943A2 Wastewater treatment apparatus
07/28/2004EP1440942A1 Device for the treatment of effluent, sludge and organic substrates
07/28/2004EP1440941A1 Water treatment
07/28/2004EP1440726A2 Water purification device with a diaphragm unit for supplying water under high pressure
07/28/2004EP1440303A1 Improvements in materials handling and sampling
07/28/2004EP1440041A1 Apparatus and method for producing purified water having high microbiological purity by using a reverse osmosis membrane assembly
07/28/2004EP1440040A1 Method and apparatus for the sterilization of biological waste
07/28/2004EP1439898A1 Treatment of polyaluminium compounds
07/28/2004EP1370338A4 Compositions of insoluble magnesium containing minerals for use in fluid filtration
07/28/2004EP1284930A4 Formation of composite materials with expandable matter
07/28/2004EP1257505B1 Removal of sulfur compounds from wastewater
07/28/2004EP1194691B1 Piston pump, method and installation for filtering water
07/28/2004EP1161402B1 Tanks for treating water used for washing motor vehicles and equipment
07/28/2004EP1090668B1 Chelate-forming filter, process for producing the same
07/28/2004EP1034691A4 Non-thermionic ballast-free energy-efficient light-producing gas discharge system and method
07/28/2004CN2628521Y Electric potential water booster transportation apparatus
07/28/2004CN2628520Y Automatic cleaning ceramic head water purifier
07/28/2004CN2628519Y Porous ceramic water purifier
07/28/2004CN2628518Y Petroleum waste water modified decomposition processing oil expeller
07/28/2004CN2628517Y Optical catalystic suspension filling for sewage treatment
07/28/2004CN2628516Y Heat-transfer pipe and pipe sheet elastic connection sealing washer
07/28/2004CN2628515Y Life sewage purifier
07/28/2004CN2628514Y Gas-liquid mixied high-speed evaporation sea water desalination plant
07/28/2004CN2628513Y Water purifier
07/28/2004CN2628000Y Dental unit water system cryogenic plasma purification sterilizing machine
07/28/2004CN1516773A Toilet system
07/28/2004CN1516679A Method of wastewate treatment and wastewater treatment apparatus
07/28/2004CN1516676A Method and apparatus for disinfecting refrigerated water cooler reservoir
07/28/2004CN1516554A Fortified drinking water
07/28/2004CN1515514A Method for preparing optical transparent titanium dioxide film with bacteria-killing and virus-killing activity on surface of glass and film made up by using said method
07/28/2004CN1515509A Water treatment reactor for removing heavy metal compound iron or manganese
07/28/2004CN1515508A Inorganic argillaceos conversion agglutination purification treatment agent
07/28/2004CN1515507A Ecological safety composite type iron system high-effective flocculating agent
07/28/2004CN1515506A Equipment for producing chlorodibromide and sterilized water
07/28/2004CN1515505A Water treatment filtration and disinfection circulating system
07/28/2004CN1515504A Strong magnetic pulse polarization energy converter water treatment method and its equipment
07/28/2004CN1515503A High-frequency oscillation energy converter water treatment device
07/28/2004CN1515502A Energy-saving disinfection sterilization equipment for cold beverage factory by adopting electrolysis method
07/28/2004CN1515501A Treatment device of sewage water containing phosphate radical ion
07/28/2004CN1515500A Water treatment equipment for microelectrolytic high-voltage electrostatic power generator
07/28/2004CN1515499A Nano filter membrane base domestic water purifier having no need of storage tank
07/28/2004CN1515498A Ion exchange group water treatment equipment by using carbon as skeleton
07/28/2004CN1515497A Bleaching and dyeing textile softened water ion exchange equipment
07/28/2004CN1515496A Industrial circulating water purification treatment system
07/28/2004CN1515351A Modified titanium dioxide immobilization method for degrading organic pollutant in water
07/28/2004CN1515343A Sewage treatment equipment by using coal as filtering material
07/28/2004CN1515195A Process for producing beverage by utilizing ozone
07/28/2004CN1159359C Organic polymer flocculant and its prepn. and application in water treatment
07/28/2004CN1159233C Equipment for denitrifying and dephosphating sewage in integrated aerobic/anaerobic bilogic fiter pool
07/28/2004CN1159232C Self-cleaning type UV water treatment equipment
07/28/2004CN1159231C Method and device for treating waste water containing acetic acid