Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 3 - Biological treatment of water, waste water, or sewage
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
12/2007
12/11/2007US7306732 Sulfate reduction to sulfide ; oxidation to sulfur
12/11/2007US7306724 Wastewater treatment
12/11/2007US7306719 Water circulation systems for ponds, lakes, and other bodies of water
12/11/2007US7306717 Water treatment apparatus
12/07/2007CA2550121A1 Biomass carrier promoting simultaneous nitrification-de-nitrification
12/06/2007WO2007139374A1 Apparatus having a bioreactor and membrane filtration module for treatment of an incoming fluid
12/06/2007WO2007138342A1 Treatment of aqueous liquid
12/06/2007WO2007117255A3 Stabilization of biosolids using iron nanoparticles
12/06/2007WO2007110051B1 Method and device for the controlled and self-regulating release of nutrients in media
12/06/2007WO2007076449A3 Biomedia apparatus and method of use
12/06/2007US20070278150 System and methods for biological selenium removal from water
12/06/2007DE202007012188U1 Wasser- oder Abwasserbehälter Water or wastewater tank
12/06/2007DE102006025393A1 Small-scale wastewater clarification plant comprises structurally identical biological containers with inlet, outlet and sludge recirculation pipeline, and sludge collection tank with pump, which is connected with sludge recirculation line
12/06/2007CA2659657A1 Treatment of aqueous liquid
12/06/2007CA2652940A1 Method for cleaning membranes and an inlet side of a membrane filtration module of an apparatus having a bioreactor and membrane filtration module for treatment of an incoming fluid
12/05/2007CN200985305Y Impeller for surface aerator
12/05/2007CN200985304Y Matrix-less underwater floating plant sewage treatment bed
12/05/2007CN200985303Y Cyclic suspending surface aeration active sludge and sewage treating system
12/05/2007CN200985302Y Novel decanter
12/05/2007CN200985301Y Novel biological carrier for water treatment
12/05/2007CN200985300Y Bristle charcoal biological contacting oxidizing reaction device
12/05/2007CN200985299Y Large-scale film biological reactor set
12/05/2007CN200985298Y Diaphragm aeration biologic suspending reactor
12/05/2007CN200985297Y Bow-shaped plastic shack rapid percolating bed
12/05/2007CN200985296Y Small-sized sewage treating system
12/05/2007CN101084165A Device to treat liquid and foam
12/05/2007CN101082039A Preparation of disinfection bacterium and method for restoring aquaculture environment
12/05/2007CN101082038A Preparation of holothurian-benefit bacterium and method for restoring sea cucumber cultivation pool environment
12/05/2007CN101082035A Preparation of dotey bacterium and method for restoring shellfish culture environment
12/05/2007CN101082034A Preparation of phycomycetes bacterium and method for restoring aquaculture environment
12/05/2007CN101082033A Preparation of living-benefit bacterium and method for restoring aquaculture environment
12/05/2007CN101082032A Preparation of ammonia nitrogen degradation bacterium and method for restoring aquaculture environment
12/05/2007CN101082031A Preparation of straw-protecting bacterium and method for restoring aquaculture environment
12/05/2007CN101082030A Preparation of sea manure bacterium and method for restoring aquaculture environment
12/05/2007CN101082029A Preparation of water purification bacterium and method for restoring aquaculture environment
12/05/2007CN101082028A Preparation of water-adjusting bacterium and method for restoring aquaculture environment
12/05/2007CN101082027A Preparation of holothurian-fertilizing bacterium and method for restoring sea cucumber cultivation pool environment
12/05/2007CN101082026A Preparation of holothurian-nourishing bacterium and method for restoring sea cucumber cultivation pool environment
12/05/2007CN101082025A Preparation of holothurian-protecting bacterium and method for restoring sea cucumber cultivation pool environment
12/05/2007CN101082024A Preparation of holothurian pool bacterium and method for restoring sea cucumber cultivation pool environment
12/05/2007CN101081748A Animal dung urine handling method
12/05/2007CN101081713A Composite artificial marshland water quality clarification system in north low-temperature area
12/05/2007CN100352777C Waste-water treatment system and treatment for cosmetic production
12/04/2007US7303916 Using nutrient broth comprisied of auxins and cytokinins for propagation of preferential plant tissues; tissue engineering and heterologous gene expression
12/04/2007US7303907 Transmissible spongiform encephalopathy agent inactivated by exposing the TSE agent to a thermostable proteolytic enzyme at elevated temperatures; infectivity determined by detection of dimers of prion protein
12/04/2007US7303686 Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same
12/04/2007US7303678 Method for treating wastewater
12/04/2007US7303677 Supported biofilm process
12/04/2007US7303676 Supported biofilm apparatus and process
12/04/2007US7303668 Filtering device
11/2007
11/29/2007WO2007136970A2 Method and apparatus for enhancing aquatic environments
11/29/2007WO2007136296A1 Method for biologically treating waste waters and recycling sludge
11/29/2007WO2007135087A1 Aerating device for a water filtering system with immersed membranes, including a floor provided with means for injecting a gas and at least one pressure balancing system
11/29/2007WO2007135018A1 Bacterial composition for the treatment of sludge containing animal fats
11/29/2007WO2007134529A1 Aeration apparatus
11/29/2007WO2007103499A3 Multivalent metal ion management for low sludge processes
11/29/2007WO2007027952A3 Fats, oil and grease interceptor
11/29/2007WO2007024737A3 Denitrification process and system
11/29/2007WO2006130853A3 Process and apparatus for increasing biological activity in waste treatment in bodies of water
11/29/2007US20070275450 Method For Stabilization Of Biological Cultures To Allow Biological Treatment Of Brines
11/29/2007US20070272611 aerobic and anaerobic processes, nitrification of ammonia (impurity) to nitrate under the influence of a microorganism in presence of oxygen, denitrification to form N2 through addition of a carbon-containing component
11/29/2007US20070272610 Efficiently collect highly active anaerobic ammoxidizing bacteria from water treated, can carry out acclimatization in a short time; ammonium used as a hydrogen donor can considerably reduce the amount of methanol used for denitrification and reduce the amount of sludge produced
11/29/2007US20070272609 Reuse of waste materials via manure additive
11/29/2007DE102006024717A1 Verfahren zum Betrieb eines Drucklufthebersystems für eine Kleinkläranlage und Drucklufthebersystem Method for operating an air lift system for a small sewage treatment and air lift system
11/29/2007DE102006022502A1 Filtereinheit für die Abwasseraufbereitung und die Trinkwassergewinnung Filter unit for wastewater treatment and drinking water production
11/29/2007CA2650694A1 Aerating device for a water filtering system with immersed membranes, including a floor provided with means for injecting a gas and at least one pressure balancing system
11/28/2007EP1860074A2 Apparatus and method for treating wastewater
11/28/2007EP1860073A1 Method for operating a compressed air-lift system for a small purification plant and compressed air-lift system
11/28/2007EP1858813A1 Sewage treatment plant, in particular for domestic purposes
11/28/2007EP1858812A2 Biodestruction of blended residual oxidants
11/28/2007CN200981840Y Novel undercurrent artificial wet land
11/28/2007CN200981839Y Artificial arch canopy wet land
11/28/2007CN200981838Y Filtering material supporting layer structure for water treatment filtering tank
11/28/2007CN200981837Y Impeller for aeration machine
11/28/2007CN200981836Y Concentric nesting active oxidation channel
11/28/2007CN200981835Y Circumjacent water distribution baffle composite hydrolysis acidifying reactor
11/28/2007CN101078307A Design method for interpenetrating sewage treatment facilities into building
11/28/2007CN101078004A Microorganism preparation for modifying water body by using bacterial and manufacturing method thereof
11/28/2007CN101078003A Preparation for comprehensive treatment of cultivation water body by using multiple bacterial and manufacturing method thereof
11/28/2007CN101077818A Apparatus and method for treating wastewater
11/28/2007CN101077817A Method for processing paper-making waste water of regenerative paper
11/28/2007CN101077809A Method for processing reclaimed water by HM dominant bacteria
11/28/2007CN101077808A Aeration-less water treatment system
11/28/2007CN101077807A Sewage treatment composite bioreactor
11/28/2007CN101077806A Highly effective aerobic biochemical water purification agent
11/28/2007CN101077805A Treatment system for artificial wetland sewage and sludge
11/28/2007CN100351187C Method for anaerobic sludge digestion and a digester
11/28/2007CN100351186C Melthod of implementing low carbon nitrogen ratio high concentriation ammonia nitrogen waste water nitration
11/27/2007US7300592 Fluorine removal unit separates a substance to be removed from for-treatment water; electrochemical treatment unit in which electrodes are submerged; treatment of nitrogen compounds
11/27/2007US7300584 Treatment of a suspension in a bioreactor with integrated hydraulic bottom layer removal
11/27/2007US7300583 Dispenser comprising hollow cylindrical tubular body defining an interior cavity for delivery of remediation agents into waste systems; controlled release of concentrated a remediation composition throughout the delivery cycles; water pollution control; sewage and water treatment
11/27/2007US7300577 Wastewater treatment and dispersal system
11/27/2007US7300571 Supported biofilm apparatus
11/27/2007US7300570 Apparatus and method for treating wastewater using contact media
11/27/2007US7300039 Environmental remediation method and apparatus
11/24/2007CA2547890A1 Reciprocating biological contactor and method of use
11/22/2007WO2007011890A3 Conditioning system for activated sludge wastewater treatment processes
11/22/2007US20070267347 Decomposing effluent by microorganisms in a biological treatment zone, the biomass fractionis subjected to a very high pressure, then reinjected into a biological treatment zone
11/22/2007US20070267346 using proteobacteria bacteria colonize upon the sulfur granules and upon the mollusk shell pieces to biodegrade the toxic chemicals; cost-effective process for reducing perchlorate and/or nitrogen in waste water treatment from industrial processes; water pollution control
11/22/2007US20070267345 Aeration-less water treatment system
1 ... 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 ... 465