| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 07/24/2002 | CN2501870Y Circulating disposal apparatus for waste water of washing vehicle |
| 07/24/2002 | CN1360677A Electrochemical method for enrichment of microorganism, biosensor for analyzing organic substance and BOD |
| 07/24/2002 | CN1360479A Shower head with water purification function |
| 07/24/2002 | CN1359860A Process for removing microalgin from water by ferric oxidizing |
| 07/24/2002 | CN1359859A Improved process for primary treatment of sewage in urban area |
| 07/24/2002 | CN1359858A Process for purifying floated algin and waste Ca solution in algin factory |
| 07/24/2002 | CN1359857A Process and apparatus for treating water by magneto-electric dialysis |
| 07/24/2002 | CN1359856A Device for reclaiming used car-washing water |
| 07/24/2002 | CN1088193C Method and apparatus for controlling feed of water treatment chemical using voltammetric sensor |
| 07/24/2002 | CN1088043C Demulsification type organic flocculant and preparation process thereof |
| 07/24/2002 | CN1088042C Industrial effluents treating method including coagulation, opal shale adsorption and filtration processes |
| 07/24/2002 | CN1088041C Process for treating acidic sewage from oil refinery by stripping in single side stream tower |
| 07/24/2002 | CN1087973C Catalyst for treating waste water, production method thereof, and method of treating waste water using catalyst |
| 07/23/2002 | US6423801 Branched polyammonium compounds of high molecular weight and processes for producing said compounds |
| 07/23/2002 | US6423657 Process for the reactivation of activated carbon |
| 07/23/2002 | US6423350 Includes low temperature far infrared emitting metal oxides such as magnesium iron oxide (mgfe2o4) and other specified metal oxides of formula ab2o4, and an antimicrobial 3-(trimethoxysilyl)-propyldimethyloctadecyl ammonium chloride |
| 07/23/2002 | US6423267 Stable oxidizing bromine formulations, method of manufacture and uses thereof for biofouling control |
| 07/23/2002 | US6423236 Method for treating waste water |
| 07/23/2002 | US6423235 Column gas-liquid contacting apparatus and its use thereof |
| 07/23/2002 | US6423234 Controlling the feed rate of a halogen donor to maintain desired oxidation reduction potential by adding a coagulating agent |
| 07/23/2002 | US6423228 Using calcium carbonate |
| 07/23/2002 | US6423224 Filter cartridge assembly for water treatment device |
| 07/23/2002 | US6423223 Multi-element, reverse osmosis, liquid filter system with flushing and filtering circuits |
| 07/23/2002 | US6423219 System and method for controlling microorganisms and biofilms |
| 07/23/2002 | US6423216 Biological oxidation filter system |
| 07/23/2002 | US6423214 Device for decanting supernatant |
| 07/23/2002 | US6423213 Continuous level measurement for grease separator |
| 07/23/2002 | US6423212 Microbial resistant water purification and collection system |
| 07/23/2002 | US6423205 Electric deionization apparatus |
| 07/23/2002 | US6423193 Tetrahedral carbon doped with nitrogen (tac:n) has both electroanalytical and electrosynthetic applications, such as chlorine generation |
| 07/23/2002 | US6422735 Hydraulic jet flash mixer with open injection port in the flow deflector |
| 07/23/2002 | US6422484 Shower apparatus |
| 07/23/2002 | CA2174170C Detoxification of alkylthioalkylamines with swelling type natural or synthetic clays |
| 07/18/2002 | WO2002056095A2 Modification of soy flour proteins for producing coagulants in papermaking and waste water treatment applications |
| 07/18/2002 | WO2002055831A2 Improved method for stimulation of liquid flow in a well |
| 07/18/2002 | WO2002055628A2 Oil absorption and reclamation methods |
| 07/18/2002 | WO2002055440A1 Electrolytic bath for cartridge electrode |
| 07/18/2002 | WO2002055439A1 Water purifier |
| 07/18/2002 | WO2002055438A2 Ultraviolet wastewater disinfection system and method |
| 07/18/2002 | WO2002055182A1 Reverse osmosis system with controlled recirculation |
| 07/18/2002 | WO2002054865A1 Method of selecting antimicrobial agent and method of using the same |
| 07/18/2002 | WO2002012132A3 Photocatalytic degradation of organic compounds |
| 07/18/2002 | WO2002006162B1 Mechanical purification of water from pollutants lighter than water by a rotating hose |
| 07/18/2002 | WO2002004114A3 Electromagnetic wave assisted chemical processing |
| 07/18/2002 | WO2001051422A9 Static filter pitcher |
| 07/18/2002 | US20020093732 Selectively tuned ultraviolet optical filters and methods of use thereof |
| 07/18/2002 | US20020092813 Adapter with a locking mechanism and filter connected to it adapted to mount to a top opening of a dispensing unit |
| 07/18/2002 | US20020092810 Dual filter and method of making |
| 07/18/2002 | US20020092775 Generation and delivery device for ozone gas and ozone dissolved in water |
| 07/18/2002 | US20020092769 Electrodeionization system |
| 07/18/2002 | US20020092761 Apparatus and method for water purification using solar energy |
| 07/18/2002 | US20020092760 Water purification device |
| 07/18/2002 | DE10200537A1 Regelvorrichtung zur Salzdosierung für einen Wasserenthärter und Verfahren zur Regenerierung eines Wasserenthärters Control device for salt dosage for a water softener and process for regenerating a water softener |
| 07/18/2002 | DE10101816A1 Flat diffuser for altering cross section of flow in a flow channel has multiple single diffusers as divergent rectangular channels fitted alongside each other over the cross section of flow. |
| 07/18/2002 | DE10100228A1 Device for energetic influencing of fluids has S shaped fluid pipeline, coil bearers, layered coil with start of each coil layer on opposite side of coil from end of previous coil layer |
| 07/18/2002 | DE10064622A1 Method used in drinking water treatment for removing toxic compounds from unpurified water comprises reacting water with a mixture of hydrogen and carbon dioxide in the pore structure of the ceramic membrane of a catalytic contactor |
| 07/18/2002 | DE10064064A1 Verfahren zur Beschleunigung biokatalytischer und/oder hormoneller Prozesse und dessen Verwendung A method for accelerating biocatalytic and / or hormonal processes and its use |
| 07/18/2002 | DE10063531A1 System for recovering heat from waste water, comprises feeding it over evaporator plates connected to supply of gaseous coolant, feeding heated coolant to compressor and using energy released to heat domestic water supply via heat exchanger |
| 07/18/2002 | CA2430057A1 Ultraviolet wastewater disinfection system and method |
| 07/18/2002 | CA2331431A1 Composition and method for controlling biological growth using stabilized sodium hyprobromite in synergistic combinations |
| 07/17/2002 | EP1223171A1 Antimicrobial 5-substituted-3-isothiazolone compounds and methods of use |
| 07/17/2002 | EP1223148A1 Device for the injection and dissolution of oxygen in water effluents |
| 07/17/2002 | EP1222954A1 Method and apparatus for electrodeionization of water |
| 07/17/2002 | EP1222862A2 Propionic acid, ammonia, propanediol and water solutions and the use thereof |
| 07/17/2002 | EP1221980A2 Electrolytic generation of iodine for preventing implant induced infections |
| 07/17/2002 | EP1091907B1 Molecular sieve cit-6 |
| 07/17/2002 | EP1080045B1 Method for treating fluid liquid containing a volatile fraction |
| 07/17/2002 | EP1056684B1 A water filtration vessel |
| 07/17/2002 | EP1042231A4 Process for removing silica from wastewater |
| 07/17/2002 | EP1017481A4 Electrochemical methods for recovery of ascorbic acid |
| 07/17/2002 | EP0894077B1 Electrocatalytic method for the deoxygenating of sea water |
| 07/17/2002 | CN2500674Y 饮水净化器 Water Purifier |
| 07/17/2002 | CN2500673Y Automatic device for stably adding chlorine dioxide drug |
| 07/17/2002 | CN2500672Y 电子水处理器 Electronic water processor |
| 07/17/2002 | CN2500671Y Magnetized joint for water tap |
| 07/17/2002 | CN2500670Y Electrocoagulation equipment of sewage processing system |
| 07/17/2002 | CN2500669Y Processing device for radioactivity sewage in washbasin |
| 07/17/2002 | CN2500668Y Water distiller |
| 07/17/2002 | CN1359431A 电极 Electrode |
| 07/17/2002 | CN1359408A High molecular weight zwitterionic polymers |
| 07/17/2002 | CN1359357A Method for disinfecting and purifying liquids and gasses |
| 07/17/2002 | CN1359356A Treatment of aqueous aldehyde waste streams |
| 07/17/2002 | CN1359355A An electro-flucculation process and apparatus |
| 07/17/2002 | CN1359354A Method for the inactivation of cryptosporidium parvum and giardia cysts using ul traviolet light |
| 07/17/2002 | CN1358679A Water cleaning filling device for cleaning empty polyester bottle |
| 07/17/2002 | CN1358673A Method and apparatus for separating calcium and magnesium ion from waste water in petroleum production |
| 07/17/2002 | CN1358672A Three-dimension electrode reactor and use for treating organic waste water |
| 07/17/2002 | CN1358567A Copper base catalyst for catalyzing wet oxidation method treating industrial waste water |
| 07/17/2002 | CN1358557A Waster water reuse apparatus |
| 07/17/2002 | CN1087716C Ultraviolet disinfecting drinking-water system |
| 07/17/2002 | CN1087715C Anaerobic removal of sulphur compounds from waste water |
| 07/17/2002 | CN1087714C Ozone treatment method and device |
| 07/17/2002 | CN1087713C High-low pressure seawater desalination and sewage purification process |
| 07/16/2002 | US6420715 Method and apparatus for improved mixing in fluids |
| 07/16/2002 | US6420594 Release agents |
| 07/16/2002 | US6420312 Water treatment composition |
| 07/16/2002 | US6420292 Containing sodium silicate and calcium oxide; compressive strength; for use in pollution control; treating drain water |
| 07/16/2002 | US6420185 Screening sample for impurities; obtain sample, insert into detection apparatus, analyze and determine concentration of impurities |
| 07/16/2002 | US6419915 Method for enhancing the properties of biofouling release coatings |
| 07/16/2002 | US6419879 Composition and method for controlling biological growth using stabilized sodium hypobromite in synergistic combinations |