Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
06/2005
06/29/2005CN1633396A Method for biological purification of water using a carrier material
06/29/2005CN1631976A Modified nano SiOx composite polyurethane foam and its preparation method and use
06/29/2005CN1631822A Method for in-situ utilizing river sludge
06/29/2005CN1631820A Combined treatment method and system for landfill leachate
06/29/2005CN1631819A Process for circulating and reusing wastewater in production of case plank paper by wastepaper
06/29/2005CN1631813A Anaerobic digestion short-cut nitrification and denitrification denitrogenation process for wastewater treatment
06/29/2005CN1631812A Large-scale array type circulation reactor with multiple draft tubes for treating oil refining wastewater
06/28/2005US6911149 Induced sludge bed anaerobic reactor
06/23/2005WO2005056774A1 Microorganism, microbial preparation and methods of treating discharged water using the same
06/23/2005WO2005056484A1 A biological mini sewage treatment plant and use of this plant
06/23/2005WO2005014485A3 Chemically enhanced primary sludge fermentation method
06/23/2005US20050133445 Process for reducing sludge derived from the treatment of wastewater by oxygenation and mechanical action
06/23/2005US20050133444 Self-cleansing media for rotating biological contactors
06/23/2005US20050133443 Wastewater treatment control
06/23/2005US20050133442 Method and apparatus for biosustaining waste activated vermicular environment
06/23/2005DE10353728A1 Process to render farm animal slurry fit for disposal by anaerobic treatment by interruption of process and subsequent restart
06/23/2005DE10310986B4 Verfahren zur In-Situ Grundwasserreinigung A method for in-situ groundwater treatment
06/22/2005EP1544171A1 Process for reducing sludge from water treatment by oxygenation and mechanical action
06/22/2005EP1542934A2 Membrane bioreactor waste water treatment method
06/22/2005EP1542932A1 Method for the treatment of waste water with sludge granules
06/22/2005EP1542931A1 Method and device for reducing production of wastewater treatment station sludge with fixed biological cultures
06/22/2005EP1542928A2 Airlift membrane device and membrane bioreactor and bioreactor process containing same
06/22/2005EP1380544A9 Process and device for the purification of contaminated water
06/22/2005CN2705451Y Floating algae killing water quality purifying cabin
06/22/2005CN2705450Y Micro power waste water processing device
06/22/2005CN1630619A Method of suspended substance separation especially sewage treatment and equipment thereof
06/22/2005CN1629413A Integral septic tank
06/22/2005CN1207218C Separated anaerobic and aerobic domestic sewage treating process and system
06/22/2005CN1207217C Preparation method of preparative membrane for preventing membrane from pollution and maintaining flux of membrane
06/22/2005CN1207216C Process for bio-denitrifying sewage
06/21/2005US6908753 For use in bioreactor or wastewater disposal; immobilization
06/21/2005US6908556 Methods for forming microcultures within porous media
06/21/2005US6908555 Biosolids flow-through thermophilic treatment process
06/21/2005US6908554 Organic waste treatment method
06/21/2005US6908548 Prefabricated biological purification system
06/21/2005US6908547 Membrane module for gas transfer and membrane supported biofilm process
06/21/2005US6908495 Low oxygen organic waste bioconversion system
06/17/2005CA2491253A1 Process for reducing sludge from wastewater treatment through oxygenation and mechanical action
06/16/2005US20050131086 Method of purifying fischer-tropsch derived water
06/16/2005US20050131085 Method of purifying fischer-tropsch derived water
06/16/2005US20050131084 Method of purifying fischer-tropsch derived water
06/16/2005US20050131083 Method of purifying fischer-tropsch derived water
06/16/2005US20050130290 Organic waste material treatment system
06/16/2005US20050127000 Comprises shell with openings for discharging bubbles from upper surface and shape capable of temporarily containing volume of air in fluid communication with the openings; hollow fiber membranes
06/16/2005US20050126997 Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic bottom layer removal
06/16/2005US20050126996 Systems and methods for treating waste water
06/16/2005US20050126995 utilizes aerobic bacteria in two separate compartments to break down and digest waste and is much more efficient than those that use the much slower acting anaerobic bacteria
06/16/2005US20050126994 Method and apparatus for determining weight and biomass composition of a trickling filter
06/16/2005US20050126993 Aerator alarm unit
06/16/2005US20050126992 Treatment of contaminated activated charcoal
06/16/2005US20050126991 Integrated hydroponic and fixed-film wastewater treatment systems and associated methods
06/16/2005US20050126990 Bioremediation
06/16/2005US20050126971 Apparatus for treating organic waste
06/16/2005DE202004017379U1 Ornamental pond liner has thousands of holes packed with barley straw and grain pellets, grape skin residues and charcoal
06/16/2005DE10350667A1 Begasungseinrichtung Gassing
06/16/2005DE10350503A1 Reaktor zur anaeroben Abwasserbehandlung Reactor for anaerobic wastewater treatment
06/16/2005DE102004019669A1 Verfahren und System zur Behandlung von Abwasser, das organische Bestandteile enthält Includes method and system for treating waste water, organic compounds
06/16/2005CA2546666A1 Method of imparting formladehyde-tolerance to plant and method of making plant to absorb environmental formaldehyde
06/15/2005EP1541786A1 Storage container
06/15/2005EP1541532A1 Sewage treatment process by activated-sludge method comprising line atomizing treatment
06/15/2005EP1539325A2 Coconut mesocarp-based biofilter material and its use in a wastewater treatment system.
06/15/2005EP1538911A1 Functional water with deodorization activity and sterilization activity against multi-drug resistent bacteria, and a preparation method thereof
06/15/2005EP1387815A4 Periphyton filtration pre- and post-treatment system and method
06/15/2005EP1337477B1 Improved aerator and mixer
06/15/2005EP1183093B1 Counterbalanced dual submarine-type liquid mixer pairs
06/15/2005CN1626460A Bioreactor for treating wastewater
06/15/2005CN1626459A Microbe method for treating wastewater from washing coke using gasified biomass
06/15/2005CN1626458A Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic bottom layer removal
06/15/2005CN1626457A Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic top scum treatment
06/15/2005CN1626450A Method for treating reciculated cooling water containing out oil product
06/15/2005CN1626021A Sanitary privy without need of water
06/15/2005CN1206174C Microbe capable of degradation removing microcystin from water bloom
06/15/2005CN1206173C Active microorganism carrier for use in biological treatment
06/14/2005US6905864 Paenibacillus naphthalenovorans that degrades naphthalene
06/14/2005US6905863 Aerobic method of removing total dissolved solids (TDS) from tannery wastewaters
06/14/2005US6905603 Treatment of contaminated activated charcoal
06/14/2005US6905602 Method and apparatus to enhance denitrification of effluent
06/14/2005US6905600 Sizing; mixing with base; thermal hydrolysis; forming methane
06/14/2005US6905599 Prefilter for water treatment
06/09/2005WO2005051853A1 Alkaline stabilisation of residual sludge in closed systems with optional ammonia recycling
06/09/2005WO2005026062A3 Process and reactor for intensified and energy-efficient, biological (waste-)water treatment
06/09/2005US20050123727 Membrane modules and integrated membrane cassettes
06/09/2005DE20320908U1 Process to operate small-scale waste water treatment process in a sequential batch reactor or water retained by a lagoon dam, using depth pressure measurements
06/09/2005DE19904493B4 Verfahren und Vorrichtung zur Aufbereitung von mit Schadstoffen belasteten pumpfähigen Medien Method and apparatus for treating contaminated with pollutants pumpable media
06/09/2005DE10350502B3 Reaktor und Verfahren zur anaeroben Abwasserbehandlung Reactor and method for anaerobic wastewater treatment
06/08/2005CN2703400Y Floating-island type biological biochemical water-purifying apparatus
06/08/2005CN1625531A Aerator
06/08/2005CN1625530A Method and plant for biological treatment of aqueous effluents for purification thereof
06/08/2005CN1624108A Bdellovibrio sp. and its application
06/08/2005CN1624107A Saprospira sp. and its application
06/08/2005CN1624105A Saccharomycetes and its appalication
06/08/2005CN1624101A Naegleria sp. and its application
06/08/2005CN1623940A Process for comprensive treating waste water of paper making by grass pulp
06/08/2005CN1623935A Method for recovering aquatic ecology system of nutrition-enriched water of lake
06/08/2005CN1623934A Method for treating soil and aquatic lead, zinc, cadmium pollution by long pubescence potentilla chinensis
06/08/2005CN1623933A Method for treating soil and aquatic lead, zinc, cadmium pollution by cone south mustard
06/08/2005CN1623932A Apparatus and application for enhancing treating efficiecy of up flowing type anaerobic sludge bed by cathode hydrogen
06/08/2005CN1623931A Composite type biological additive and its preparation method and application thereof
06/08/2005CN1623930A Process for treating waste water of producing refined terephthalic acid
06/08/2005CN1623929A Apparatus on ship for purifying water