Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
11/2013
11/21/2013US20130306554 Device for purification of sanitary waste water
11/21/2013US20130306533 Liquid waste treatment device and liquid waste treatment method
11/20/2013EP2664587A2 Biological treatment method and waste-water treatment agent for refractory wastewater
11/20/2013EP2664586A1 Agent for treatment of salt-containing organic liquid waste, salt concentration reducing agent, method for treatment of salt-containing organic liquid waste, and entrapping immobilization carrier
11/20/2013EP2664584A1 Device for filtering grey water from households
11/20/2013EP2663635A2 Microbial compositions and methods
11/20/2013EP2196438B1 Method for load-independent regulation of nitrification and denitrification in waste water treatment facilities with advanced denitrification
11/20/2013EP1873123B1 Sludge concentration device
11/20/2013CN203300748U Turntable type biofilm forming anode mediated ammonia-oxidation microbial fuel cell (AO-MFC)
11/20/2013CN203295268U Multichannel vortex jet aerator
11/20/2013CN203295265U High-efficiency hydrolysis reactor
11/20/2013CN203295264U Energy-saving efficient sewage treatment device
11/20/2013CN203295263U Roller type submerged bed allowing submerged position adjustment
11/20/2013CN203295262U Biological drum reactor
11/20/2013CN203295261U Economic and high-efficiency integrated biological denitrification device
11/20/2013CN203295260U Large-scale annular integrated oxidation ditch
11/20/2013CN203295259U Denitrification and precipitation integrated sewage treatment device
11/20/2013CN203295258U Septic tank made of waste glass
11/20/2013CN203295257U Outer circulating anaerobic reactor
11/20/2013CN203295256U Dual-cycle anaerobic reactor
11/20/2013CN203295255U Water surface jet aerator
11/20/2013CN203295254U Novel aeration biological activated carbon filter
11/20/2013CN203295253U Oxidation tank with good aeration effect
11/20/2013CN103402928A Method of removing recalcitrant organic pollutant
11/20/2013CN103402927A Process, apparatus and membrane bioreactor for wastewater treatment
11/20/2013CN103402926A Methods and systems for treating wastewater
11/20/2013CN103399524A Toxicity prewarning and monitoring device for inlet water of urban wastewater treatment plant
11/20/2013CN103396950A Biogas slurry ecological purification method based on microalgae cultivation
11/20/2013CN103396947A Micro nutrient additive for microbial water treatment
11/20/2013CN103395936A Physical-physicochemical-biological treatment combined water purifier
11/20/2013CN103395895A Multi-micropolar phosphorus transfer supporter tube
11/20/2013CN103395894A Method for intermittent co-substrate-controlled co-metabolism decomposition of difficultly degraded phenol pollutants
11/20/2013CN103395893A Application of Lysinibacillus sp Cr-6
11/20/2013CN103395892A Application of dipeptide compound bacilysin in inhibition of growth and propagation of water bloom algae
11/20/2013CN103395891A Microbial fuel cell type three-dimensional combined ecological floating bed device and application thereof
11/20/2013CN103395890A Microbial preparation for improving freshwater aquaculture water body and preparation method thereof
11/20/2013CN103395889A Application of Jujun grasses in purification of nitrogen and phosphor in domestic wastewater in constructed wetland
11/20/2013CN103395888A Ecological reef island and construction method thereof
11/20/2013CN103395887A Flexible compound multifunctional network partition floating island
11/20/2013CN103395886A Method for treating surface source pollutants in ecological ditch
11/20/2013CN103395885A Artificial wetland composite matrix for nitrogen and phosphorus removal of rural sewage and preparation method thereof
11/20/2013CN103395884A Sewage processing apparatus for depth-type underground soil percolation system
11/20/2013CN103395883A High-efficiency composite filler biological filter and filtration method
11/20/2013CN103395882A Processing method and processing apparatus of high ammonia-nitrogen wastewater
11/20/2013CN103395881A Method for granulating sludge based on pure-oxygen aeration-treated urban sewage
11/20/2013CN103395880A Aeration settling tank test device and aeration method
11/20/2013CN103395879A Aactive sludge electrocatalysis device
11/20/2013CN103395878A Method and apparatus for nitration and nitrate nitrogen enrichment of split-type combined membrane bioreactor
11/20/2013CN103395877A Method and apparatus for nitration and nitrate nitrogen enrichment of one-piece combined membrane bioreactor
11/20/2013CN103395876A Spiral-flow type spherical suspended filler
11/20/2013CN103395875A Active sludge surface type gas stripping micro power reflux apparatus
11/20/2013CN103395874A Improved structure of deflection type internal circulation biomembrane reactor
11/20/2013CN103395853A Horizontal slit type gas-water separator
11/20/2013CN103392457A Environmental protection method combining eutrophic water body treatment, conservation of water and soil and landscape planting as whole
11/20/2013CN103011380B Preparation method of biodegradable oil absorption plate capable of slowly releasing nitrogen element
11/20/2013CN102976488B Method for zero-valent nano-iron-reinforced biological removal of nitrogen and phosphorus
11/20/2013CN102876617B Pseudomonas and purpose of pseudomonas
11/20/2013CN102849854B Household miniature integrated device for sewage treatment
11/20/2013CN102786145B Multifunctional ecologic stone boat
11/20/2013CN102757906B Strain for degrading benzene hexachloride and application thereof
11/20/2013CN102757134B Vertical reverse umbrella aerator bearing seat
11/20/2013CN102745811B Process control method of modified sequencing batch reactor (MSBR) system
11/20/2013CN102628066B Preparation method and application of microbial flocculant
11/20/2013CN102614786B Preparation method of polyvinylidene fluoride ultramicro-filtration dry membrane for flat-plate MBR (membrane bioreactor)
11/20/2013CN102583767B System for treating sewage and producing biological oil by using microalgae and method
11/20/2013CN102557260B Method for controlling water eutrophication through utilizing special food chain and application thereof
11/20/2013CN102524133B Method for breeding chubs and bighead carps in reservoirs or lakes
11/20/2013CN102432097B Method for quickly starting anaerobic ammonium oxidation in upflow packed bed reactor
11/20/2013CN101970360B Waste activated sludge phosphorus and magnesium stripping process and struvite production system
11/20/2013CN101792244B Nitrite type nitrification-reactive sludge, manufacturing method thereof, manufacturing device thereof and waste water treatment method and apparatus
11/20/2013CN101434915B Method for cultivating nitrosobacteria flora and method for treating wastwater containing ammonia nitrogen
11/19/2013US8585901 Method of continuous in-situ triglyceride stabilization and sulfur reduction of FOG (fats, oil and grease) to optimize fuel extraction
11/19/2013US8585900 Compact upright bioreactor for the elimination of nutrients
11/19/2013US8585899 Prevention and remediation of petroleum reservoir souring and corrosion by treatment with virulent bacteriophage
11/19/2013CA2723331C Water circulation systems for ponds, lakes, and other bodies of water
11/19/2013CA2607827C Chlorine dioxide treatment compositions and processes
11/16/2013CA2777470A1 Device for the purification of sanitary waste water
11/14/2013WO2013169091A1 Zero discharge treatment system of palm oil mill effluent (pome)
11/14/2013WO2013168680A1 Wastewater treatment system and treatment method therefor
11/14/2013WO2013167109A1 Strip diffuser
11/14/2013WO2013167108A1 Securing of a strip diffuser
11/14/2013WO2013167107A1 Device and method for bioelectrochemical material conversion (inducing a reduction/oxidation/redox reaction)
11/14/2013WO2013166611A1 Method for simultaneous biological removal of nitrogen compounds and xenobiotics of wastewaters
11/14/2013US20130299422 Treatment agent for salt-containing organic waste liquid, salt concentration-reducing agent, treatment method for salt-containing organic waste liquid, and entrapment immobilization carrier
11/14/2013US20130299421 Biological treatment method and waste-water treatment agent for refractory wastewater
11/14/2013US20130299420 Phosphate recovery from acid phase anaerobic digesters
11/14/2013US20130299401 System and method for enhancing a wastewater treatment process
11/14/2013US20130299400 Bio-electrochemical system for treating wastewater
11/13/2013EP2661510A1 Apparatus and method for controlling autotroph cultivation
11/13/2013CN203284393U Biochemical culture bag for processing domestic sewage
11/13/2013CN203284257U Urban polluted surface water body purification device
11/13/2013CN203284256U Microbial water purification device
11/13/2013CN203284255U Pendular carrier and biological treatment device of organic water draining using same
11/13/2013CN203284254U Water flow metering device for constructed wetland
11/13/2013CN203284253U Landscape water body purification device
11/13/2013CN203284252U Unpowered domestic sewage treatment device
11/13/2013CN203284251U Self-cleaning activated bio-filter
11/13/2013CN203284250U Sewage treatment device by anaerobic-aerobic alternate granular sludge
11/13/2013CN203284249U Sewage and wastewater shunting treatment system for southern flushing pig farm
11/13/2013CN203284248U Pulse water distribution device for UASB
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