Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
02/2013
02/27/2013CN102943178A Method for recovering titanium in wastewater
02/27/2013CN102942973A Method and system for combined air stripping biogas slurry depth treatment and biogas purification and desulfurization
02/27/2013CN102942670A Rubber foam for absorbing metal ions in water and preparation method of rubber foam
02/27/2013CN102942512A Preparation method of sulfide heavy metal trapping agent C2H4N2S4
02/27/2013CN102942296A Water controllable travelling mechanism
02/27/2013CN102942293A Tidal current wetland coupled electrochemical reinforced denitrification and dephosphorization method and system
02/27/2013CN102942291A Process for treating dinitrodiazophenol waste water
02/27/2013CN102942276A Boiler feedwater treatment method and treatment system related to reuse of reclaimed water
02/27/2013CN102942275A Method for treating medicament waste water with organic phosphorous water
02/27/2013CN102942274A Treatment method of saline and alkaline wastewater in copper oxide production process
02/27/2013CN102942273A Non-equilibrium adsorption seawater decalcification treatment method by using plate and frame filter press
02/27/2013CN102942272A Treatment method for sea water decalcification through equilibrium adsorption of centrifuge
02/27/2013CN102942268A Method for treating sulfuric acid wastewater in pyrite production
02/27/2013CN102942263A Sewage treatment method
02/27/2013CN102942262A Horizontal well fracturing wastewater treatment and resource utilization method
02/27/2013CN102942261A Water-saving reverse-osmosis water purifier
02/27/2013CN102942250A Membrane module for novel efficient membrane bioreactor
02/27/2013CN102942247A Reagent and method for reducing COD of wastewater containing bromine and phenol
02/27/2013CN102942246A Process for preparing polyferric flocculant
02/27/2013CN102942245A Purifying agent for water treatment
02/27/2013CN102942244A High-density aquaculture oxygenation purification method and system
02/27/2013CN102942243A Wastewater treatment method combining three-dimensional electrode and electric Fenton
02/27/2013CN102942242A Preparation method of nanometer iron-copper-carbon micro electrolysis material for organic waste water treatment
02/27/2013CN102942241A Method for organic wastewater electro-fenton treatment adopting bentonite
02/27/2013CN102942240A New method for quickly separating As (V) and As (III) in water by using fiber filled micro-column
02/27/2013CN102942239A Novel polymer-based composite material and preparation method of composite material as well as method for deep fluorine removal of water body
02/27/2013CN102942238A Purification device for waste water
02/27/2013CN102942237A Preparation method for water purifier capable of synchronously removing ammonia nitrogen and phosphorus in waste water
02/27/2013CN102942236A Method for treating and reusing waste fluid from citric acid chromatography extraction
02/27/2013CN102942235A Stirring extraction tower-back extraction tower combined device for processing high chemical oxygen demand (COD) waste water and technology of combined device
02/27/2013CN102942234A Method for treating ammonia nitrogen wastewater
02/27/2013CN102942233A Working method for solar system
02/27/2013CN102942232A Rotary self-heating type seawater freshening method
02/27/2013CN102942231A Purification method of coal mine distribution underground reservoir water resource
02/27/2013CN102942230A Emergency treatment method of over-standard chlorine in hemodialysis water
02/27/2013CN102942229A Preparation method of mineral water purifying agent
02/27/2013CN102942228A Polishing system and control method for secondary circuit condensate of inland nuclear power station
02/27/2013CN102941092A Mesoporous alumina supported cobalt oxide catalyst preparation method
02/27/2013CN102941091A Nano-catalyst for photo-aided Fenton oxidation and preparation method thereof
02/27/2013CN102941090A Rod-shaped silver vanadate photocatalytic material and preparation method thereof
02/27/2013CN102941087A Composite silver-titanium catalyst preparation method
02/27/2013CN102941084A Method for preparing double-component metallic oxide catalytic ozonation catalyst
02/27/2013CN102941082A Method for preparing photocatalyst capable of being recycled and efficiently degrading phenol
02/27/2013CN102941078A Compound titanium dioxide nanotube array photocatalyst and preparation method thereof
02/27/2013CN102941070A Polyethylene-methacrylic acid-polyethylene polyamine fiber and method for preparing same
02/27/2013CN102941069A Hydrogel capable of being used as heavy metal absorbent and preparation method of hydrogel
02/27/2013CN102941068A Preparation method of lead ion fungus chaff adsorbent and application
02/27/2013CN102941067A Preparation of propyl amine bonding bagasse and application of propyl amine bonding bagasse on adsorbing Cd2+in water
02/27/2013CN102941065A Carbon-based material adsorbent for removing heavy metals in waste water, its preparation method and application
02/27/2013CN102941064A Zirconium oxide modified active carbon fiber and application of zirconium oxide modified active carbon fiber for removing phosphates from water body
02/27/2013CN102941063A Method for adsorbing and removing phosphates from water body by using zirconium oxide modified carbon nano tubes
02/27/2013CN102941060A Manganese oxide and infusorial earth composite adsorbent for treating lead-containing wastewater and preparation method
02/27/2013CN102941059A Hydrotalcite coated sulfate and fabricating method for the same
02/27/2013CN102941057A Preparation method and application of magnetic compound arsenic adsorption agent
02/27/2013CN102940983A Defecator for desulfurization wastewater treatment
02/27/2013CN102939973A Compound type sterilizing algaecide and application thereof
02/27/2013CN102939968A Quaternary ammonium salt germicidal algicide and synthetic method and application thereof
02/27/2013CN102939965A Cinnamyl aldehyde algicide
02/27/2013CN102503007B Oil-base mud discharge treatment method
02/27/2013CN102502943B Heat accumulating type burning supercritical water gasification and oxidation device
02/27/2013CN102452692B Aeration blowing method in case of sudden volatile halogenated alkane organic substance pollution of drinking water
02/27/2013CN102351288B Floc coagulant aid and method for preparing floc coagulant aid from water plant operating waste
02/27/2013CN102336496B Method for treating and recycling ash water in dry coal dust gasification device
02/27/2013CN102329036B High-efficiency method for recovery treatment of saliferous wastewater under zero emission through residual heat utilization
02/27/2013CN102295382B Treatment method of two-step wet acrylic fiber production wastewater
02/27/2013CN102284284B Method for preparing molecularly imprinted TiO2/WO3 composite photocatalyst with visible light response through direct method
02/27/2013CN102276050B Device for controlling ozonization byproduct bromate in packaged drinking water
02/27/2013CN102247805B Novel active carbon and preparation method thereof
02/27/2013CN102240542B Visible-light-responsive composite oxide photochemical catalyst Li2SrNb(2-x)TaxO7 and preparation method thereof
02/27/2013CN102234161B Method for treating high-concentration arsenic-containing wastewater
02/27/2013CN102234160B Method for treating low-concentration arsenic-containing wastewater
02/27/2013CN102211832B Method for treating cutting fluid wastewater by photocatalytic oxidation
02/27/2013CN102206757B Heavy metal recycling method based on municipal solid waste incineration (MSWI) fly ash
02/27/2013CN102199246B Three-element copolymerized hydrogel, preparation method thereof and application thereof in water treatment
02/27/2013CN102180534B Paramagnetic resonance field device for changing boiler water molecular conformation and application thereof
02/27/2013CN102167454B Device and method for recovering ammonia during wastewater treatment
02/27/2013CN102120658B Treatment and recycling method of ammonia nitrogen in electrolytic manganese production end wastewater
02/27/2013CN102050499B Clearance type cross-current liquid-liquid separation device
02/27/2013CN101903294B Washing device and method for deodorizing washing water
02/27/2013CN101774715B System and method for advanced treatment and reuse of dyeing wastewater
02/27/2013CN101665275B Automatic control method of water treatment device
02/27/2013CN101143737B Microwave resonant cavity in water treatment device
02/26/2013US8386303 Sparse data environmental equipment threshold compliance alarm system and method
02/26/2013US8382992 Reducing waterborne bacteria and viruses by a controlled electric field
02/26/2013US8382991 Method of sorbing discolored organic compounds from water
02/26/2013US8382990 Method of removing mercury and/or arsenic from water or mercury from a gas using an extruded onium ion intercalated silane coupling agent reacted layered phyllosilicate
02/26/2013US8382989 Process for separating a charged species from an aqueous system
02/26/2013DE202013001082U1 Chemiefreie Wasseraufbereitung für Portalwaschanlagen, durch Belebung und Beckenausrüstung Chemical-free water treatment for over washes, the vitality and tank equipment
02/26/2013CA2697277C Compositions, systems, and/or methods involving chlorine dioxide ("cio2")
02/26/2013CA2615986C Storm water runoff treatment system
02/26/2013CA2576206C Ozone sterilizing system for water dispensing system
02/21/2013WO2013026068A1 Method for the continuous recovery of carbon dioxide form acidified seawater
02/21/2013WO2013026014A1 Compositions and methods for remediation of chlorinated polyaromatic compounds
02/21/2013WO2013025660A1 Portable ozone disinfection system
02/21/2013WO2013025389A2 Control of immersed membrane system considering energy cost fluctuations
02/21/2013WO2013025375A2 Hollow fiber membrane module for use in a tubular pressure vessel
02/21/2013WO2013025374A1 Mobile water treatment and resin transfer hub
02/21/2013WO2013025162A1 System for treating water
02/21/2013WO2013025012A1 Forward osmotic desalination device using membrane distillation method in which part of draw solution is fed directly into forward osmostic type separator
02/21/2013WO2013024816A1 Method for separating out and recovering microalgae