Patents
Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429)
11/2008
11/12/2008CN201148389Y Urea industrial production waste water treatment apparatus
11/12/2008CN201148388Y Methanol production waste water treatment apparatus
11/12/2008CN201148387Y Yeast oil field wastewater pretreatment apparatus
11/12/2008CN201148386Y Ozone/active carbon integrated waste water treatment apparatus
11/12/2008CN201148385Y Apparatus for preparing purified water from non-pressure water source
11/12/2008CN101302402A Method for reclaiming rosin and terebinth using resin plant residue waste liquor
11/12/2008CN101302073A Electroplating sewerage advanced treatment process
11/12/2008CN101302072A Dye pesticide waste water reverse osmosis-nanofiltration combined membrane separation material recovery process and apparatus
11/12/2008CN101302071A Method for processing palm oil waste water and use thereof
11/12/2008CN101302070A Coked and petrochemical wastewater treatment process having deep biochemical treatment and physicochemical treatment
11/12/2008CN101302069A Technological system and method for removing carbon, nitrogen and sulphur in waste water synchronously
11/12/2008CN101302068A Multi-stage refluxing load control biological process and matched facilities
11/12/2008CN101302067A Innocent treatment technological process for water-based system drilling waste slurry solid-liquid separating medium
11/12/2008CN101302066A Methods and facilities for processing domestic sewage
11/12/2008CN101302065A Method for processing oil-gas field fracturing waste liquor
11/12/2008CN101302064A Sewage treating apparatus
11/12/2008CN101302063A Industrial sewage processing unit and industrial sewage process method
11/12/2008CN101302062A Sewerage environment-protective processing process for low-polluted vermicelli production process
11/12/2008CN101302054A Method for removing sulfate ion in oil-contaminated water and apparatus thereof
11/12/2008CN100431986C Tanning technology for treatment and reuse of waste chrome liquor of bate without discharge and its treatment device
11/12/2008CN100431654C Pre-treating process for sewage from thick oil refining
11/11/2008US7449117 Filtration unit, installation method for a filtration unit and filtration apparatus
11/11/2008US7449090 Electrochemical apparatus with retractable electrode
11/11/2008CA2631080A1 Wastewater ammonium extraction and electrolytic conversion to nitrogen gas
11/06/2008WO2008132296A2 Method and equipment for processing waste water containing sulphides and ammonium
11/06/2008US20080272051 Contact with water; supplying soap with emulsifier, lactate ester, lactate polymer, alcohol and acids; water pollution control
11/06/2008US20080272035 System for Water Treatment
11/06/2008US20080272033 Water filter and treatment system and component
11/05/2008EP1986962A1 Modular reverse osmosis water treatment system
11/05/2008EP1986954A1 Hydrogen sulfide treatment system
11/05/2008CN201144456Y Circulating water flushing lavatory
11/05/2008CN201144443Y Domestic waste water recycling device
11/05/2008CN201144438Y Recovery, process and reuse box for domestic sewage
11/05/2008CN201144436Y Water supply system
11/05/2008CN201144182Y Domestic sewage regeneration and recovery device
11/05/2008CN201144181Y Waste water preprocess device for molasses alcohol
11/05/2008CN201144180Y Emergency water supply cart
11/05/2008CN101298351A Precipitation and filtration integrated water treatment equipment
11/04/2008US7445718 Arsenic present in water is adsorbed using metal salt hydroxidegels, which can effectively be filtered through a diatomaceous earth (DE) filtration bed
11/04/2008US7445717 Process for treating waste from the production of energetics
11/04/2008US7445708 Plant for purifying water contaminated by droplets of hydrocarbonaceous liquid
11/01/2008CA2586805A1 A rainwater treatment process
10/2008
10/30/2008WO2008129573A1 System and process for the treatment of waste water
10/30/2008WO2008129551A1 Filter medium
10/30/2008WO2008099158A3 Fluid transport apparatus
10/30/2008US20080264874 Pure Water Treatment Method
10/30/2008US20080264840 Fluids Fluxion Method and Plant for Wastewater Treatment
10/30/2008DE202008011661U1 Kanne mit Wasseraufbereitungsmodul Jug with water treatment module
10/30/2008DE202008011162U1 Abwasserreinigungsvorrichtung Wastewater treatment device
10/30/2008CA2684298A1 Filter medium
10/29/2008EP1985589A1 Water purifying apparatus
10/29/2008CN201141141Y Self-controlled water saving device for toilet and bathroom
10/29/2008CN201141002Y Sullage circulating and processing device
10/29/2008CN201141001Y Printing and dyeing wastewater recycling and processing equipment
10/29/2008CN201140992Y Purifier with low wastewater discharging
10/29/2008CN101294405A Reclaimed water bathing room
10/29/2008CN101293726A Method for processing and separate-recycling printing and dyeing wastewater
10/29/2008CN101293725A Simple general use sewage treatment system
10/29/2008CN101293724A Miniature general use sewage treatment system
10/29/2008CN101293723A Advanced treatment method for sewage water and slurry-water rotational flow predissociation type membrane bioreactor
10/29/2008CN101293722A Municipal sewage treatment system and equipment built on river
10/29/2008CN101293721A Method for processing highly salt containing organic waste water
10/29/2008CN101293720A Sequencing batch reactor for automatic dephosphorization and operation thereof
10/29/2008CN101293719A Recovery processing technique for organic waste water of plating pretreatment
10/29/2008CN101293718A Immediate processing method for sewage water
10/29/2008CN101293717A Method for processing and recycling wastewater containing fluorine, chromium ion
10/29/2008CN101293716A Method for processing waste liquor in preparation of ethyl alcohol with manioc fermentation
10/29/2008CN101293715A Micelle reinforced hyperfiltration advanced water purifying method and equipment thereof
10/29/2008CN101293714A Advanced treatment method and equipment for printing and dyeing wastewater
10/29/2008CN101293713A Case body special for modularized wastewater treatment
10/29/2008CN101293712A Laminar current reaction tank employing standardizing box
10/29/2008CN100429164C Method of treating domestic sewage dispersively and its reactor
10/29/2008CN100429163C Dispersed spot source sewage treating and grading reusing system and its operation process
10/29/2008CN100429162C Physical and biological and chemical treatment system for water cycle in swimming pool or natatorium
10/29/2008CN100429161C Water treatment process and tubular water treatment apparatus
10/29/2008CN100429157C Method for treating ammonia nitrogen wastewater
10/29/2008CN100428981C Treatment of waste emulsion
10/28/2008US7442309 Methods for reducing boron concentration in high salinity liquid
10/28/2008US7442295 Water purification and treatment apparatus and treatment process using the apparatus
10/28/2008US7441664 Water treatment devices and cartridges therefor
10/23/2008WO2008127357A2 Upflow bioreactor with septum and pressure release mechanism
10/23/2008US20080257828 Systems and methods for reduction of metal contaminants in fluids
10/23/2008US20080257826 Apparatus; column of a vertically oriented conduit having a harvesting section, an inlet for wastewater in the column; a recycling path extending from an outlet in an upper portion of the conduit to the inlet; flow velocity in excess of 100 cm/min in a lowermost one of the sections
10/23/2008US20080257810 Water or Wastewater System and Method for Removing BOD and Suspended Solids Through an Activated Sludge Process and a Ballasted Flocculation Process
10/23/2008US20080257805 High Rate Filtration System
10/23/2008DE202008009583U1 Wasseraufbereitungsvorrichtung und System zur Aufbereitung von Wasser Water treatment apparatus and system for treatment of water
10/23/2008DE102007017613A1 Verfahren und Vorrichtung zur Aufbereitung von Flüssigkeiten Method and apparatus for treatment of liquids
10/22/2008EP1259466B1 A method for processing lignocellulosic material
10/22/2008EP1218294B1 Water treatment apparatus
10/22/2008CN201137178Y Domestic reclaimed water processing and reusing device
10/22/2008CN201137174Y Storey water saving system
10/22/2008CN201137171Y Quality dividing water supply system for family
10/22/2008CN201137169Y Rainwater leaf-removing and desmutting device
10/22/2008CN201136829Y Biological-ecological composite sewage treatment pool
10/22/2008CN201136828Y Ozone treatment system for oil-containing alkaline waste water
10/22/2008CN201136827Y Device for preparing multifunctional active water
10/22/2008CN201135079Y Aquariums float grass cylinder externally hung type filtering apparatus
10/22/2008CN101289264A Combined denitrification apparatus and method by shortcut nitrification and anaerobic ammonium oxidation of sludge-digestion liquid
10/22/2008CN101289263A Integral sewage disposal process for strengthening sludge filtrating technology
10/22/2008CN101289262A Air-float comprehensive treatment method and special device thereof for circulating water of aquaculture