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)
12/2003
12/11/2003WO2003102346A2 Downhole desalination of aquifer water
12/11/2003WO2003102270A1 Method for electrolytic production of hypobromite for use as a biocide
12/11/2003WO2003102269A1 Washwater neutralization system for glass forming line
12/11/2003WO2003102254A1 Method of metal recovery
12/11/2003WO2003102000A1 Shaped bodies containing metal-organic frameworks
12/11/2003WO2003101896A1 Apparatus and method for waste water treatment
12/11/2003WO2003101895A1 Method and apparatus for preventing microbial growth in drinking water
12/11/2003WO2003101894A2 Method and apparatus for treating metal ion containing streams
12/11/2003WO2003101617A1 Destruction of perchlorate in ferric chloride and hydrochloric acid solution with control of temperature, pressure and chemical reagents
12/11/2003WO2003101541A1 Contaminant removal from natural resources
12/11/2003WO2003077629A8 Method and device for isolating and intercepting spills from a source of pollution
12/11/2003WO2003076340A3 Method and installation for producing ultrapure water
12/11/2003WO2003074428A3 Pre- and post-treatment system and method for periphyton filtration using ozone
12/11/2003WO2003022744A3 In-situ process for detoxifying hexavalent chromium in soil and groundwater
12/11/2003WO2003008336A3 Reverse osmosis pretreatment using low pressure filtration
12/11/2003WO2001082028A3 System and method for distributed monitoring using remote sensors
12/11/2003US20030228341 Containing 1,3-dibromo-5,5-dimethylhydantoin; water treatment
12/11/2003US20030227394 Sensor device and methods for using same
12/11/2003US20030226810 Using peracid; electrochemical synthesis from oxoacid
12/11/2003US20030226808 Prevention, reducing, dissolving scale deposits; using mixture og phosphorous compound, chelate compound and surfactant
12/11/2003US20030226807 Method and apparatus for treating aqueous process baths and their associated waste streams
12/11/2003US20030226805 Method of wastewater treatment with biological active carbon using recycled oxygen-enriched water and apparatus used therein
12/11/2003US20030226803 Using ozone and base; supplying ultraviolet radiation; anaerobic digestion tanks
12/11/2003US20030226802 Apparatus for the removal of suspended solids and entrained oil from an aqueous solution. That uses either wire mesh or corrugated coalescing media made of a oleo-philic material and a oleo-phobic material.
12/11/2003US20030226797 Fibre membrane arrangement
12/11/2003US20030226794 Steam boiler scale inhibitor, sludge (TSS) and TDS control, and automatic bottom blow-down management system
12/11/2003US20030226788 Method of decontaminating soil
12/11/2003US20030226767 Connecting tanks; vibration
12/11/2003US20030226766 Electrolytic treatment of aqueous media
12/11/2003US20030226666 Tubing annulus valve
12/11/2003US20030226443 Air-stable metal oxide nanoparticles
12/11/2003DE20315088U1 Waste water treatment assembly separates paint sludge residues from water in a tank discharging water at its base via a suction pump
12/11/2003DE20302516U1 Anlage zur Entfernung und Deaktivierung von Organismen im Ballastwasser System for removing and disabling of organisms in ballast water
12/11/2003DE20220610U1 Sludge de-watering process is maintained in a steady state by regulated admixture of solvent and polymer active ingredient
12/11/2003CA2485844A1 Washwater neutralization system for glass forming line
12/11/2003CA2484523A1 Method and apparatus for preventing microbial growth in drinking water
12/10/2003EP1369505A2 Method and apparatus for recirculating of rinsing water and cleaning of a process bath
12/10/2003EP1369386A2 Device for aeration of waste water and for cleaning a membrane assembly and small-scale waste water treatment plant containing this device
12/10/2003EP1369385A1 Method and apparatus for preventing microbial growth in drinking water
12/10/2003EP1369384A1 Method of decomposing organic compound in liquid to be treated
12/10/2003EP1369168A1 Method for producing hollow yarn film
12/10/2003EP1369165A1 A membrane module comprising swayable hollow fiber membranes
12/10/2003EP1369156A1 Aeration type underwater screen system
12/10/2003EP1368509A2 Composition and method for inhibition of metal corrosion
12/10/2003EP1368463A2 Biological compositions for solid waste treatment
12/10/2003EP1368394A1 Microbicidal separating systems
12/10/2003EP1368279A1 Methods of treating water using combinations of chlorine dioxide, chlorine and ammonia
12/10/2003EP1368278A1 Wet oxidation with the aid of a porous catalytic contactor
12/10/2003EP1368277A2 Method and unit for the treatment of water by ballasted flocculation and gravity separation with variable function modes
12/10/2003EP1368276A1 High efficiency electrolysis cell for generating oxidants in solutions
12/10/2003EP1368120A1 Method for producing gel-type cation exchangers
12/10/2003EP1324952A4 Biocidal composition
12/10/2003EP1058501B1 Solid tcmtb formulations
12/10/2003EP0759805B1 Polarity reversal and double reversal electrodeionization apparatus and method
12/10/2003CN2591030Y Domestic water softening apparatus
12/10/2003CN2591029Y Oil-water separator
12/10/2003CN2591028Y Three-phase internal circulating fluid-bed optical catalytic reactor
12/10/2003CN2591027Y Strong water purifier
12/10/2003CN2591026Y Drinker
12/10/2003CN2590640Y Water-saving device for collecting washing waste water reutilization
12/10/2003CN1461233A 水软化器 Water softener
12/10/2003CN1461223A Apparatus for generating ultraviolet radiation and ozone by using microwave
12/10/2003CN1460821A Water cleaning and heating device free from secendary pollution
12/10/2003CN1460650A Aerobic-anaerobic air float separation biological fluidized composite reactor
12/10/2003CN1460648A Double-machine flocculant
12/10/2003CN1460647A Method for killing living beings in the course of transmission of ballast water by using ship and its equipment
12/10/2003CN1460646A Operating controller for water purified factory
12/10/2003CN1460542A Photo-magnetic synergistic catalytic technique and its application for degrading organic pollutant
12/10/2003CN1130527C Torsion generator
12/10/2003CN1130312C Evaporative concentration apparatus for waste water
12/10/2003CN1130306C Method and apparatus for producing aqueous chlorine dioxide
12/10/2003CN1130267C Chelate-forming porous hollow fiber membrane and method for recovery of germanium oxide with same
12/10/2003CN1130248C Vapor-liquid mixer and sewage purification apparatus using mixer
12/09/2003US6661643 Deionizers with energy recovery
12/09/2003US6660516 Culture medium containing a carbon source and an electrolyzed water containing not more than 0.4 ppm chlorine produced during electrolyzing water containing an electrolyte in an electrolytic cell
12/09/2003US6660172 Precoat filtration media and methods of making and using
12/09/2003US6660168 Continuous method is provided for dissolving a solid oxidizer into an aqueous solution which yields a stream of the aqueous solution having a constant or near constant concentration of solid oxidizer.
12/09/2003US6660167 Method for precipitating or flocculating substances out of solutions
12/09/2003US6660166 Using activated carbon as filter for removal of estrogen from water
12/09/2003US6660165 Space applications
12/09/2003US6660162 Separator for liquid suspension
12/09/2003US6660067 Mechanical oxygen scavenger device
12/09/2003US6659431 Cleaners comprising housings containg ultraviolet radiation lamps, intakes and discharging for cleaning solutions, pressure balancing seals and motors, used for preventing fouling
12/09/2003US6659290 Oil water separator with air sparging array for in-situ cleaning
12/09/2003US6658889 Useful for crystallization of salt water in continuous processing
12/09/2003CA2286608C Tubular lamp mounting arrangement
12/05/2003CA2431106A1 Electrolytic treatment of aqueous media
12/04/2003WO2003100169A1 Process for preparing a dispersion polymer
12/04/2003WO2003100153A1 Sensor device and methods for using same
12/04/2003WO2003100135A2 Electrode for gas evolution and method for its production
12/04/2003WO2003099732A1 Water filter assembly
12/04/2003WO2003099730A1 Water clarifying agent inducing catalytic reaction and method of clarifying water through activation of microorganism
12/04/2003WO2003099729A1 Method of removing heavy metals and solids by complexing biodegradable polyelectrolytes (pectin and chitosan)
12/04/2003WO2003099728A1 Method for treatment of sludge from waterworks and wastewater treament plants
12/04/2003WO2003099727A1 Enhanced iodine treatment of drinking water
12/04/2003WO2003099726A1 A kind of nano-material for water treatment and its use
12/04/2003WO2003099725A1 Removal of particulate contamination from operating machinery
12/04/2003WO2003099724A1 Method and system for the separation of oily compounds and suspended solids from rainwater
12/04/2003WO2003099723A1 Oil from water separation system
12/04/2003WO2003099477A1 Method of decontaminating soil
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