Patents
Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429)
08/2007
08/29/2007CN101024544A Method for eliminating N-nitroso compound in drinking water and precursor thereof
08/29/2007CN101024537A Electric-plating waste water recovering and utilizing process and apparatus
08/29/2007CN101024528A RF recognition system for fluid treatment system
08/29/2007CN100334018C Deep sewage treatment method and apparatus
08/29/2007CN100334017C BCB combination process of treating organic waste water
08/29/2007CN100334016C Method for treating waste water from meta dinitro benzene production
08/29/2007CN100334015C System and method of anaerobic biological treatment for waste water
08/29/2007CN100334008C Method for treaing organic wastewater containing aminopolycanboxylic acid
08/23/2007WO2007092986A1 Improvements relating to septic tanks
08/23/2007US20070193957 Treatment of waste water or drinking water containing substances that are difficult to decompose (odors, dyes, pesticides) by adding ozone, degassing and removing residual ozone, and irradiating the ozone-free water with ultraviolet radiation in a wavelength 200-300 nm, and in a dose of 50-2,000 J/m2.
08/23/2007US20070193951 Method of processing liquid waste, emission, dust, and ash to solid substances
08/23/2007DE102006006324A1 Vorrichtung zur Aufbereitung von Prozess- oder Industrieabwässern Apparatus for processing process or industrial wastewaters
08/22/2007EP1584605B1 Method of adding active carbon in water purification and method of water purification
08/22/2007CN2937259Y Device for purifying kitchen waste water and recoverying waste oil
08/22/2007CN1332897C Combined alternative flow integrated biological reactor and method for treating waste water therewith
08/22/2007CN1332896C Process for removing nitrogen and phosphor from sewage capable of being built by separate periods
08/22/2007CN1332895C Method for removing ammonia nitrogen in wastewater
08/22/2007CN101023215A Method for removing lignin from water
08/22/2007CN101021077A Non-maintenance water-saving tank
08/22/2007CN101020593A Process of treating sewage with animal's excrement
08/21/2007US7258798 Includes an ozonator; an up flow roughing filter with chemically active layer on top that removes particulates and contributes to the removal of dissolved organics; and a slow sand filter sized and shaped to promote growth of a biomass for water purification that is protected from residuals by the filter
08/21/2007US7258790 Controlled eutrophication system and process
08/21/2007US7258785 Apparatus for separating oil and debris from water run-off
08/16/2007WO2007092145A1 Modular reverse osmosis water treatment system
08/16/2007US20070187331 via flocculating system (water soluble or water swellable polymer of methyl chloride quaternary ammonium salt of dimethyl aminoethyl (meth)acrylate and acrylamide), compressing to form cake
08/16/2007DE102004006378B4 Anordnung und Verfahren zum Befüllen einer Wasserbettmatratze mit Wasser Apparatus and method for filling a water bed mattress with water
08/16/2007DE10005240B4 Verfahren zur Fällung von Uran, Schwermetallen und toxischen Metallen aus karbonat-/hydrogenkarbonathaltigen Wässern, insbesondere aus durch Natururan und seine natürlichen Zerfallsprodukte radioaktiv kontaminierten Wässern Method for the precipitation of uranium, heavy metals and toxic metals from-carbonate / hydrogenkarbonathaltigen waters, in particular by natural uranium and its decay products of natural radioactive contaminated waters
08/15/2007EP1818314A2 Method and biogas facility for the production of biogas from liquids with organic load
08/15/2007EP1432646B1 Self contained water filter having zeolites, filtration membranes and water flow rate control means
08/15/2007CN2934226Y Circulating water car-washer
08/15/2007CN2934225Y Health bathing polluted water circulation purifying apparatus
08/15/2007CN1331782C Method for improving capability of linking up with biomembrane of suspension padding
08/15/2007CN1331762C Water purification system
08/15/2007CN1331558C Pool filter with a pre-filtering unit
08/15/2007CN101018867A Production of biodiesel and other valuable chemicals from wastewater treatment plant sludges
08/15/2007CN101016245A Preparing method for mixed dibasic acid ester from adipic acid production waste liquid and treatment method for the waste liquid
08/14/2007US7255793 Methods for removing heavy metals from water using chemical precipitation and field separation methods
08/09/2007WO2007089168A1 Self-regulatng method for sewage water treatment and a device for carrying out said method
08/09/2007WO2007088138A1 Method for treatment of sludge
08/09/2007US20070181498 Method and a system for purifying water from a basin, in particular a swimming pool
08/08/2007CN1330593C Autocontrolling apparatus for reclaimed water treatment system
08/08/2007CN1330592C Hyperpure water manufacturing systems
08/08/2007CN1330591C Decentralizing treating and utilizing technology for zero discharging sewage
08/08/2007CN1330582C Methods and apparatus for treating animal manure
08/08/2007CN101014544A Fluids fluxion-based method and apparatus for water treatment
08/08/2007CN101012093A Integral synchronous denitrification dephosphorizing bioreactor
08/08/2007CN101012092A Process for treating furfural waste water
08/08/2007CN101012091A Technique for treating mine water utilizing mine underground tunnel space
08/08/2007CN101011041A Enclosure-type fish pond management system
08/07/2007US7253011 Fabrication method of semiconductor integrated circuit device
08/07/2007US7252771 Method and device for decontaminating waters which are loaded with organic halogen compounds (halogenated hydrocarbons)
08/07/2007US7252763 Point-of-use water treatment system
08/07/2007US7252096 Methods of simultaneously cleaning and disinfecting industrial water systems
08/07/2007CA2390978C Wastewater purifying apparatus
08/07/2007CA2136943C Installation for making water potable with submerged filtering membranes
08/02/2007US20070175825 System for the treating biomaterial waste streams
08/01/2007CN1329322C Membrane treatment system for separating virus
08/01/2007CN1329321C Pretreating process and device for treating coked waste water by coagulating, adsorption and electrolytic decoloring
08/01/2007CN1329320C Processing method of waste water containing fluorine arsenic and lead
08/01/2007CN1329319C Method and apparatus for treatment of gaseity chemical waste
08/01/2007CN1329295C Method for preparing sodium metasilicate by discharched waste liquid from production of zirconium oxychloride
08/01/2007CN101007694A Process for treating alcohol waste water
08/01/2007CN101007693A Method for anerobic aerobic granular sludge treating high concentration waste water from paper-making method tobacco slice production
08/01/2007CN101007692A Synchronous denitrification and dephosphorization process for city sewage
08/01/2007CN101007691A Treatment technology for dying waste water and slag
08/01/2007CN101007690A Multiple phase catalytic oxidation-coagulation precipitation method for processing active dye printing waste water
07/2007
07/31/2007US7250111 Pressurized system that contains a particle filtration system, a flow through chamber, a disinfectant chamber, mixing chamber, contact chamber and carbon filtration system, for treating water
07/26/2007US20070171681 Adaptive inductive power supply
07/26/2007US20070170122 Wastewater treatment apparatus
07/25/2007CN2926214Y Water treater for carwash house
07/25/2007CN1328192C Method for comprehensive treatment of high-concentration organic wastewater
07/25/2007CN1328191C Treatment apparatus and method of treating water to be treated using the same
07/25/2007CN1328190C Biological purifying process of seriously polluted river water
07/25/2007CN101003980A System for handling architecture source point invisible returned back
07/25/2007CN101003414A Technique for treating wastewater of molasses alcohol
07/25/2007CN101003413A Vacuum treatment technique for wastewater from plating
07/25/2007CN101003412A Method and system unit for flue gas desulfurization and wastewater treatment
07/25/2007CN101003411A Technique for treating industrial wastewater of containing sodium sulfate
07/25/2007CN101003364A Techniques for recovering simple sulfur substance from waste water of molasses alcohol
07/24/2007US7247726 Generating chemiluminescence by reaction with peroxidase compound and detection of signal with analyzing compound
07/19/2007WO2007080179A1 Waste treatment process
07/19/2007WO2006112974A3 Regeneration of adsorption media within an electrodeionization device
07/19/2007US20070163966 On-site waste water treatment; filtration, treatment with antimicrobial solution to destroy microorganisms
07/19/2007US20070163930 Multiple barrier filter apparatus
07/18/2007CN2923690Y Domestic neutral water treating device
07/18/2007CN1327039C Technology for treating electroplating effluent by biochemical process
07/18/2007CN1326788C A/O type biological aeration capacity-enlarging method for sewage water treatment factory
07/18/2007CN1326787C Small-town sewage treating process
07/18/2007CN100999370A Treatment method of high alkalinity organic waste water
07/18/2007CN100999369A Advanced treatment method of organic pigment waste water
07/18/2007CN100999368A Electric deionization method used for recovering noble metal waste water and its device
07/18/2007CN100999367A Automatic waste water batch treatment method and equipment suitable for small flow multikind and complex reaction process
07/18/2007CN100999366A Coking waste water reuse treatment method
07/18/2007CN100999365A Treatment method of water washing waste water in synthetic vinegar production
07/18/2007CN100999364A Comprehensive utilization high advantage zero discharge seawater desalination production technology
07/18/2007CN100999327A Method of extracting industrial anhydrous sodium sulfate from waste water in silicone dioxide production using precipitation method
07/17/2007US7244362 coagulation-flocculation-decantation device; eliminates 20% of hexane extractable material without the need for distinct degreasing means by flotation.
07/17/2007US7244357 Pumps for filtration systems
07/12/2007WO2007077575A2 A waste water treatment plant
07/12/2007WO2007055842A3 Redundant ultrafiltration devices