Patents
Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429)
09/2007
09/26/2007CN101041527A Wastewater treatment technique for PMIDA preparation process
09/26/2007CN101041526A Method for wastewater treatment by comprehensive utilization of frequency mixing ultrasonic and ozone
09/26/2007CN101041525A Method for wastewater treatment by comprehensive utilization of frequency mixing ultrasonic and non-reducing gas
09/26/2007CN101041524A Method for wastewater treatment by comprehensive utilization of frequency mixing ultrasonic, ozone and other non-reducing gas
09/26/2007CN101041523A Tertiary treatment technique for sensitive material flushing waste fluid
09/26/2007CN101041522A Treating method and treating apparatus of waste water containing organic material
09/26/2007CN101041521A H acid waste water by natrium chloratum addition process
09/26/2007CN101041520A Treatment method for circular utilizing of zinc electrolyzation flushing waste water
09/26/2007CN101041519A Sewage treatment method
09/26/2007CN101041518A Improved device for supplying and treating water for a dishwashing machine
09/26/2007CN100339494C A process for reclaiming phosphorus
09/26/2007CN100339318C Process for removing arsenic from aqueous streams
09/26/2007CN100339313C Method for clarifying waste water containing organic material
09/25/2007CA2436390C Water purifying apparatus
09/20/2007WO2007044415A3 Method and apparatus for treating wastewater
09/20/2007US20070215551 Method And Device For Treatment And Loop-Processing Of Waste Waters
09/20/2007DE4307468B4 Verfahren zur Fällung von Schwermetallen, Uran und toxischen Metallen bei der Sanierung von bergbaulichen Anlagen, insbesondere aus kontaminierten Wässern Process for the precipitation of heavy metals, uranium and toxic metals in the rehabilitation of mining facilities, particularly from contaminated waters
09/20/2007DE202007009615U1 Elektrolyseur mit Kondensatorelektroden in einer Magnetfeldpassage zum Entsalzen von Meerwasser Electrolyser with capacitor electrodes in a magnetic passage for the desalination of sea water
09/20/2007DE102006006743A1 Verfahren zur energetischen Nutzung von organisch belasteten Abwässern durch Erzeugung von Biogas Process for the energy use of organically polluted wastewaters by generating biogas
09/19/2007CN200949082Y Water purifier
09/19/2007CN200949081Y Multilayer three-dimensional structural hyperfiltration sea-water distillator
09/19/2007CN200948377Y Filter in the sewage processing
09/19/2007CN101037655A High-effective microorganism complex agent and method of using the same for treating city sewage
09/19/2007CN101037284A Dejecta treatment method and system
09/19/2007CN101037283A Treatment method of hydroxybenzene-containing wastewater
09/19/2007CN101037282A Water treatment new combined technique with high purification function
09/19/2007CN101037281A Zero-discharging treatment method of regenerated waste water for paper making
09/19/2007CN101037280A Treatment method and device of rice lees wastewater
09/19/2007CN101037279A Ultrasonic-electrical catalyzing treatment azo dyes waste water processing device and reaction conditions
09/19/2007CN101037278A Combined technique for fluorobenzene production waste water treatment
09/19/2007CN101037277A Floating depositing pool
09/19/2007CN101037276A Aerating reinforced active carbon adsorption water source quality improving apparatus
09/19/2007CN101037275A Biology and engineering composite ecological control method for harnessing natural water body
09/19/2007CN100337947C Process for printing and dyeing waste water treating tower
09/19/2007CN100337946C Method for treating ephedrine wastewater by combined use of flocculation and electrochemical oxidation
09/19/2007CN100337945C Aqueous ink waste water disposal process
09/19/2007CN100337944C Paper making waste water disposal method by coagulant precipitation and coke filtration disposal
09/19/2007CN100337937C Integrated water treatment installation including a sedimentation basin built-in type reactor
09/19/2007CN100337933C City sewage treating process and system
09/18/2007US7270754 Rotating filter thickener; screw press thickener; dissolved air flotator; conductor for mixing incoming wastewater and filtrate output from the screw press thickener to produce input to the rotating filter thickener; conductor for branching off a part of the first filtrate output to a spray cleaner
09/18/2007CA2297938C Process for the purification of nutrients from food process streams
09/13/2007WO2007103409A2 Wastewater treatment system and method
09/13/2007WO2007103056A2 Water intake and methods of use
09/13/2007WO2007101833A1 Use of an adsorbent for the removal of liquid, gaseous and/or dissolved constituents from a process stream
09/13/2007WO2007101344A1 Integrated apparatus and system for the treatment of waste fluids and drain networks
09/13/2007US20070210889 Inductively powered apparatus
09/13/2007US20070210111 Method and apparatus for disinfecting a refrigerated water cooler reservoir
09/13/2007US20070209999 Wastewater treatment system and method
09/13/2007CA2642434A1 Use of an adsorbent for the removal of liquid, gaseous and/or dissolved constituents from a process stream
09/13/2007CA2642302A1 Integrated apparatus and system for the treatment of waste fluids and drain networks
09/12/2007EP1832554A1 Use of an adsorbent for the removal of liquid, gaseous and/ or dissolved constituents from a process stream
09/12/2007EP1832333A1 Method for recovery of impure fluids
09/12/2007EP1105350B1 Removing metal ions from wastewater
09/12/2007CN200946308Y Energy-saving water tank
09/12/2007CN200946304Y Waste water utilization device for high-building
09/12/2007CN200946298Y Equipment for repeatedly utilizing water
09/12/2007CN101033626A Water self-circulation washing intelligence environment protection toilet
09/12/2007CN101033107A Separator and immersion membrane bioreactor combined water purifying device and system
09/12/2007CN101033106A Domestic sewage resource treatment process and device with zero discharge of biological sludge
09/12/2007CN101033105A Photoelectromagnetism integrated waste water advanced oxidization method and device thereof
09/12/2007CN101033104A Waste water treatment reusing complete plant for water spraying loom
09/12/2007CN101033103A Method of treating weave printing and dyeing wastewater by slurries production technology
09/12/2007CN100336750C Eutrophication waters comprehensive treatment method
09/12/2007CN100336749C Garbage percolation liquid treating system and method
09/12/2007CN100336748C High density aquatic plant ditch sewage treatment system
09/12/2007CN100336747C Small molecule water and its prepn process and preparing activator
09/12/2007CN100336746C Method of preparing pure water using metallurgic sewage
09/11/2007US7267777 Formation of insoluble ferrites of heavy metals, precipitation of insoluble ferrites from the aqueous solution and separation of insoluble ferrites from the aqueous solution, wherein at least formation of insoluble ferrites is carried out in the presence of a magnetic field, base and ferrite crystals
09/11/2007US7267769 Water purification system utilizing a carbon block pre-filter
09/06/2007US20070205730 Inductively powered secondary assembly
09/06/2007US20070205162 Water treatment method and apparatus
09/05/2007EP1597205B1 Method and system for the treatment of liquid effluents containing pollutants in a suspension
09/05/2007EP1187638B2 Shower head provided with an ultraviolet lamp
09/05/2007CN200943221Y Multi-times utilization water purifying saving device
09/05/2007CN200943059Y Treating apparatus for fouling raw water
09/05/2007CN101030047A Anticorrdant stripping waste liquor regeneration method and device
09/05/2007CN101030046A Anticorrdant stripping waste liquor regeneration method and device
09/05/2007CN101028962A Complete process for treating coated industrial waste water
09/05/2007CN101028961A Method for pre-treating seawater by membrane biological reactor
09/05/2007CN101028960A Method for pre-treating seawater by flow-raising aeration biological filtering pool
09/05/2007CN101028959A Method for pre-treating sewater by flow-raising biological active carbon filtering pool
09/05/2007CN101028958A Method for treating industrial waste water
09/05/2007CN101028581A Direct-connected swing spider immersible impeller of motor
09/05/2007CN100335428C Method for removing phosphorus in wastewater
09/05/2007CN100335424C Two phase anaerobic organic matter treatment and system
09/05/2007CN100335149C Process for mixing treatment additives to contaminated liquids
09/04/2007US7264732 Ion-exchange medium, a brine source, and an oxidative reactor with ozone as an oxidant and bromide as an oxidation catalyst; brine recycles continuously from the reactor
09/04/2007US7264729 Adding cationic melamine formaldehyde coagulant, then adding cationic mannich-tannin coagulant, then filtering the condensate with a continuous-backwash, fluidized bed upflow filter
09/04/2007US7264720 Pool filter with a pre-filtering unit
09/04/2007US7264718 Fluid filter apparatus and method
09/04/2007CA2510672C Process for the complete treatment of animal excreta and odours within the livestock building
09/03/2007CA2580153A1 Integrated particulate filtration and dewatering system
08/2007
08/30/2007US20070199896 Water Treatment Method And Apparatus Using Pretreatment And Membranes
08/30/2007US20070199875 Portable water purification system
08/30/2007DE102006043736A1 Tropfkörperanlage zur Abwasserreinigung Trickling filter plant for wastewater treatment
08/30/2007DE102006007859A1 Halophiler Schwachlast MBR Halo audiophile-peak MBR
08/29/2007EP1824790A1 Water purifier
08/29/2007CN200940102Y Settling and regulating pond before treatment of wastewater from poultry farming or animals farming
08/29/2007CN101024546A Copper etching liquid regeneration circulation method and apparatus
08/29/2007CN101024545A Alcohol tank liquid-screen filtering purifying apparatus