| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 05/28/2008 | CN100390080C Process for facilitating sludge decrement |
| 05/22/2008 | WO2008059340A1 Water filtration and sterilisation device |
| 05/22/2008 | WO2008025030A3 Method and system for point of use treatment of substrate polishing fluids |
| 05/22/2008 | US20080116145 Methods and apparatus for separating solids and dissolved constituents from fluids using an arrangement of separators and concentrators, which are pneumatically pressurized and depressurized at desired intervals via electronically controlled poppet valves, which results in the separation of particulates |
| 05/21/2008 | EP1922292A2 Reverse osmosis filtration systems |
| 05/21/2008 | CN201062227Y Co-degradation-membrane biological process emulsified oil wastewater treating equipment |
| 05/21/2008 | CN201062226Y Medical wastewater treatment device |
| 05/21/2008 | CN201062225Y Sewage water treatment system for explosive waste water |
| 05/21/2008 | CN201062224Y Sewage water treatment system for refining cotton |
| 05/21/2008 | CN201062223Y Apparatus for purifying sewage |
| 05/21/2008 | CN201062222Y Device for purifying and sterilizing kitchen washing wastewater |
| 05/21/2008 | CN201062221Y Device for treating oil sewage |
| 05/21/2008 | CN101182137A Water washing treatment method for chlorinated furnace slag and application of treatment fluid |
| 05/21/2008 | CN101182090A Technology and apparatus for treating oil-containing alkaline waste water |
| 05/21/2008 | CN101182089A Xanthan gum waste water treatment process |
| 05/21/2008 | CN101182088A Novel technique for quality-preservation treatment of sugar plant circulation cooling water |
| 05/21/2008 | CN101182087A Integrated biology aerobic sedimentation tank |
| 05/21/2008 | CN101182086A Highly effective sewage combined treating method and device |
| 05/21/2008 | CN101182085A Ultraviolet-chlorination agent sequentially disinfecting technology for reclaimed water |
| 05/21/2008 | CN101182084A Combined treating method for reclaimed water reuse |
| 05/21/2008 | CN101182083A Treatment technique of garbage filter liquor |
| 05/21/2008 | CN101182082A Method for treating waste water generated by concentration of sulfuric acid |
| 05/21/2008 | CN101182081A Purified terephthalic acid device refined mother liquor reclaiming utilization system and technique |
| 05/21/2008 | CN101182080A Water treatment separator device |
| 05/21/2008 | CN101182079A Citric acid mother liquor treatment process |
| 05/21/2008 | CN101182060A Purification treatment method for natural water |
| 05/21/2008 | CN100389081C Process for decyanadating water used to wash ammonia and naphthalene in pretreatment of coking by iron salt method |
| 05/21/2008 | CN100389080C Processing method for eutrophication water and box |
| 05/21/2008 | CA2737013A1 Suction device for cleaning a bottom surface of a structure of at least 15,000 m3 |
| 05/20/2008 | US7374692 Treatment of ballast water |
| 05/20/2008 | US7374689 Separting particles; mixing liquid with adjuvants; depressurization; flotation tank |
| 05/20/2008 | US7374672 Filter device comprising integral centrifugal separation |
| 05/20/2008 | US7374656 Combined electrochemical system for scale treatment and eradicating Legionella pneumophila bacteria in water supply systems |
| 05/20/2008 | US7373787 Portable, potable water recovery and dispensing apparatus |
| 05/15/2008 | WO2008055827A1 Membrane station waste treatment process |
| 05/15/2008 | WO2008055388A1 Method for the treatment of waste water from florfenicol production |
| 05/15/2008 | US20080110825 remarkably reduces the generated amount of sludge at a much lower running cost; reduces size and capacity of the solubilization tank; solubilizing sludge after alkali treatment under anaerobic, anoxic or microaerophilic conditions; recycling solubilized sludge to the biodegradation system |
| 05/15/2008 | CA2667701A1 Membrane station waste treatment process |
| 05/14/2008 | EP1919833A1 Waste water purifying device |
| 05/14/2008 | EP1919831A2 Electrochemical recovery of arsenic |
| 05/14/2008 | CN201058837Y Transportable water-treating equipment |
| 05/14/2008 | CN201058836Y vehicle-carrying mobile direct drinking water treating equipment |
| 05/14/2008 | CN201058835Y Non-vacuum integral direct drinking water equipment |
| 05/14/2008 | CN201058834Y Non-vacuum direct drinking water treating equipment |
| 05/14/2008 | CN201058833Y Highly-effective steel-making wet dust removal sewage and refining sewage treating apparatus |
| 05/14/2008 | CN201058832Y Cabinet type direct drinking water treatment facilities |
| 05/14/2008 | CN201058823Y Treatment facility for sewage containing low-concentration perfluorooctanoic acid ammonium |
| 05/14/2008 | CN101177330A Method for preprocessing coking wastewater by electrochemical oxidation flocculating composite technique |
| 05/14/2008 | CN101177329A Method for eliminating water-soluble organic contamination concentration variation fluctuation in industrial waste water |
| 05/14/2008 | CN101177328A Method for treating waste liquid of chitin and chitosan production |
| 05/14/2008 | CN101177327A Waste water handling method for acetylene production |
| 05/14/2008 | CN101177326A Machine for processing domestic sewage automatically |
| 05/14/2008 | CN101177325A Plaster multi-step treatment device for underground engineering construction |
| 05/14/2008 | CN101177324A Mine water down-hole treatment system |
| 05/14/2008 | CN100387533C Process for resoursefullizing treating of chemical cleaning waste water of electroplating second product |
| 05/13/2008 | US7371328 Method for treating hog and animal waste |
| 05/13/2008 | CA2477276C Portable, potable water recovery and dispensing apparatus |
| 05/13/2008 | CA2201856C Method for oxidation of organic waste liquors |
| 05/08/2008 | WO2008052413A1 A deeply sewage treating method and apparatus without sludge discharging |
| 05/08/2008 | WO2008001405A8 Metal or metalized fabrics coated with nanostructured titanium dioxide |
| 05/08/2008 | WO2007144491B1 Mobile unit for the treatment of raw water |
| 05/08/2008 | WO2006052250A9 Condensate recovery and treatment system |
| 05/08/2008 | US20080107785 Method, System and Apparatus for Removing Impurities from Wine |
| 05/07/2008 | EP1917677A1 Silicon surface preparation |
| 05/07/2008 | EP1419113B1 Filter assemblies with compressible filtering medium |
| 05/07/2008 | CN201056737Y Block-resistant anchor for sewage conduit |
| 05/07/2008 | CN201056529Y Chemical coagulation film reactor equipment in tableland railway middle and small station area |
| 05/07/2008 | CN201056528Y Water treatment system for waste water reclamation and cyclic utilization |
| 05/07/2008 | CN201056527Y Integrated water processing device |
| 05/07/2008 | CN201056526Y High-volume kitchen purifier |
| 05/07/2008 | CN201056525Y Full-hydropower automatic control integral water purifying device |
| 05/07/2008 | CN201056524Y Non-electric pure water machine |
| 05/07/2008 | CN201054900Y Ecological pure water flower bed |
| 05/07/2008 | CN101173528A Sullage recovery and recycle system |
| 05/07/2008 | CN101172744A Process method for dimethyl ether production wastewater recycled for cooling water |
| 05/07/2008 | CN101172743A Combination technique for processing and recycling high-cyanogen high-ammonia high-salt organic waste water |
| 05/07/2008 | CN101172742A Method for reducing Fe(III)EDTA in solution and uses thereof |
| 05/07/2008 | CN101172741A Dyeing and printing waste clearing, synthetic wastewater advanced treatment circulation production and recycle technique |
| 05/07/2008 | CN101172740A Sanitary sewage photocatalysis and multi- medium advanced treatment system for single family in countryside |
| 05/07/2008 | CN101172739A Alkaline residue processing method |
| 05/07/2008 | CN101172738A Innocent treatment method for oil-containing sewage sludge |
| 05/07/2008 | CN101172737A Integrated high concentration difficult degradable sewage processor |
| 05/07/2008 | CN101172736A Intermittent aerating biological filter seprobia dephosphorization technique |
| 05/07/2008 | CN101172735A Method for advanced treatment of ammonia nitrogen sewage |
| 05/07/2008 | CN101172734A Eutrophic water process technique |
| 05/07/2008 | CN101172733A High algae-laden water treatment technology |
| 05/07/2008 | CN101172732A Method for renovating groundwater in situ with chemical and biological composite reaction wall |
| 05/07/2008 | CN101172731A Alkali digester and sulammonium process mixed straw pulping black liquor, alkali digester and sulammonium process mixed compression straw pulping black liquor, and preparation method thereof |
| 05/07/2008 | CN101172730A Method for processing wastewater eluting benzene series compounds contaminated soil |
| 05/07/2008 | CN101172729A Physciochemical treatment technique for remained aqueous ammonia of coke-oven plant |
| 05/07/2008 | CN101172728A Chlopyrifos pesticides waste water treatment process |
| 05/07/2008 | CN101172727A Waste hydrochloric acid liquid cleaning treatment technique |
| 05/07/2008 | CN101172726A Method and technological process for treating sewage of oil recovery |
| 05/07/2008 | CN101172725A Method for processing waste alkali liquid in butyl octanol production |
| 05/07/2008 | CN101172724A Method for processing sewage from industrial cycle water |
| 05/07/2008 | CN101172723A Method for processing vinyl acetate-ethylene copolymerization emulsions wastewater |
| 05/07/2008 | CN101172722A Method for wastewater treatment in sodium hypophosphite production process |
| 05/07/2008 | CN100386270C Method for processing kettle-liquid of acrylonitrile quench tower lower portion |
| 05/07/2008 | CA2567435A1 Wastewater treatment system with membrane separators and provision for storm flow conditions |
| 05/06/2008 | US7368058 Separation of boron compounds using reverse osmosis, adsorption |