Patents
Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
10/2005
10/27/2005WO2005080276B1 Removal of carbon, nitrogen and phosphorus from waste water using fluidized beds
10/27/2005US20050238561 Process for the production of highly organized crystals by means of Sol-Gel methods
10/27/2005US20050236327 Wastewater treatment
10/27/2005US20050236326 Coarse bubble diffuser for aeration of deep tanks (20 feet or more) at a sufficient flow to to prevent settling of the solids without the need for a mechanical mixer, and for oxygen supply to microorganism within the aeration tank
10/27/2005DE10221362B4 Verfahren zur Oxidation von in Abwasser gelöstem Sulfid A process for the oxidation of dissolved sulphide in wastewater
10/27/2005DE102004017499A1 Process and assembly to dissolve oxygen in water with array of venturi tubes for aerobic waste water treatment process
10/27/2005CA2561426A1 Device for injecting gas into a liquid
10/27/2005CA2560193A1 Method and apparatus providing improved throughput and operating life of submerged membranes
10/26/2005EP1588988A1 Three-phase separator for an upflow sludge bed reactor
10/26/2005EP1588987A1 Water treatment plant having concentric basins
10/26/2005EP1587763A2 Small-scale wastewater treatment installation comprising concentric treatment stages
10/26/2005EP1587762A2 Process for treating a body of water
10/26/2005EP1309517B1 Method for purifying waste water, and purification plant for carrying out said method
10/26/2005CN1688687A Novel microorganism and method of treating organic solid matters with the use of the microorganism
10/26/2005CN1688513A Method and apparatus for treating organic waste
10/26/2005CN1688512A Reactor with two gas separators and method for the anaerobic treatment of liquids
10/26/2005CN1686868A Method for treating home wastewater through artificial wetland combined vertical current with surface current
10/26/2005CN1686867A Method for controlling algae growth by using plant of scirpus maritimus and lotus leaves
10/26/2005CN1686866A Artificial ecologic island and preparation method thereof
10/26/2005CN1686865A Method in trophic level for controlling alga in preliminary sedimentation tank of waterworks
10/26/2005CN1686864A Treatment method for home wastewater
10/26/2005CN1686863A Technique of biological treatment for wastewater of carbonization
10/26/2005CN1686862A Improved type alternated technique for wastewater treatment of activated sludge process and equipment
10/26/2005CN1686861A Static pressure type device for decanting water
10/26/2005CN1686860A Combination type wetland system for wastewater treatment and technique of wastewater treatment
10/26/2005CN1686859A Specific biologic enzyme for waterwater treatment
10/26/2005CN1686858A Deep-processing method of using starch watewater
10/26/2005CN1224580C Composite microbe process for treating high-concentration sewage from high concentration starch chemical plant or sugar refinery
10/25/2005US6958121 Aerobic digester for bodily waste material
10/25/2005US6957743 Fluid water is passed through a purification material composed of apatite and absorption media in a fixed binder matrix.
10/20/2005WO2005097688A1 Water treatment
10/20/2005WO2005097629A1 Membrane-covered reservoir having a hatchway therein
10/20/2005WO2005097500A1 Title: membrane cover having a protective layer to prevent deterioration of uv stabilizers therein.
10/20/2005US20050230310 Compact Sewage Secondary Treatment System
10/20/2005US20050230309 Functional water with deodorization activity and sterilization activity against multi-drug resistent bacteria, and a preparation method thereof
10/20/2005US20050230308 Induced sludge bed anaerobic reactor
10/20/2005US20050230307 Periphyton filtration pre- and post-treatment system and method
10/20/2005DE202005008113U1 Rotating sprinkler, to distribute mechanically prepared sewage over the surface of a drip body, has slit openings covered by adjustable rubber lips at distribution plates to prevent flow blockages
10/19/2005EP1585590A2 Methods for cleaning and maintaining membrane surface during filtration
10/19/2005EP1272434B1 Method and device for producing ultrapure water
10/19/2005CN2734746Y Multiporous microbe carrier structure
10/19/2005CN1684913A Wastewater treatment method by membrane bioreactor
10/19/2005CN1684912A Controlling wastewater treatment processes
10/19/2005CN1683518A High anti-mercury offensive smell pseudomonas strain CHY-7 and use in treating mercury pollution
10/19/2005CN1683258A Method for purifying rich nutritive water
10/19/2005CN1683257A Anaerobic ammonia oxidation test device and method for biological denitrification treatment for waste water
10/19/2005CN1683256A Asymmetrical type surface aerating propeller
10/19/2005CN1223673C Erythro micrococcus Em and usage for generating biologic emulsifier as well as degrading polycyclic aromatic hydrocarbon
10/19/2005CN1223524C Method for repairing rich nutrition water body by plants
10/19/2005CN1223523C Method for purifying pollutant in water by using active carbon-catalytic ozonizing biological active carbon
10/18/2005US6955757 Apparatus for processing fluids
10/18/2005US6955275 Wastewater trickle tower with curtain(s)
10/15/2005CA2464384A1 Micro bubble low turbulence sewage treatment method and apparatus
10/13/2005WO2005095579A1 Process
10/13/2005WO2005095290A1 Device and method for the treatment of water
10/13/2005WO2005095289A1 Method for treating ammonia-containing wastewater
10/13/2005WO2005095288A1 Three-phase separator for an upflow sludge bed reactor
10/13/2005WO2005095287A1 Water treatment
10/13/2005WO2005095009A1 Manure treatment process
10/13/2005WO2005016826A3 Supported biofilm apparatus and process
10/13/2005US20050224095 Parts washing system
10/13/2005DE102004011993A1 Anaerober Abbau von Polyorganosiloxanen und Organosilanen Anaerobic degradation of polyorganosiloxane and organosilanes
10/13/2005CA2561149A1 Process using pulsed electromagnetic field treatment to produce a composition comprising dried microorganisms
10/12/2005EP1584606A1 Method for biological recovering water from waste water by means of a fluidized bed reactor
10/12/2005CN2732849Y Device for reclaiming and reusing domestic waste water
10/12/2005CN2732729Y Internal-circulation anaerobic reactor
10/12/2005CN2732727Y Novel aeration blower for sewage treatment
10/12/2005CN2732332Y Integral micro-filtering water-purifying equipment
10/12/2005CN1222609C Decolour yeast of manganese producing depended pervxidase and its application
10/12/2005CN1222477C Method for inhibiting pollutant releasement in water body
10/11/2005US6953685 Process for removing dye from dye containing water or soil using white rot-lignin-modifying fungus flavadon flavus
10/06/2005US20050221468 Method, process, apparatus, and product for remediation of hydrocarbon contamination
10/06/2005US20050218533 Diffuser and an aeration apparatus equipped with such a diffuser
10/06/2005US20050218074 Method and apparatus providing improved throughput and operating life of submerged membranes
10/06/2005US20050218071 Integrated tidal wastewater treatment system and method
10/06/2005US20050217204 Membrane cover having a protective layer to prevent deterioration of UV stabilizers therein
10/06/2005DE202005008118U1 Treatment assembly for water discharged from fishponds has three or more tanks arranged in cascade
10/06/2005DE19737691B4 Anlage zur Reinigung von Abwässern ohne Entstehung von Klärschlamm Plant for the treatment of waste water, without the formation of sludge
10/06/2005DE102004021022B3 Effluent water anaerobic treatment reactor has cylindrical housing with water inlet at base and water outlet just under water surface
10/06/2005CA2503256A1 Membrane cover having a protective layer to prevent deterioration of uv stabilizers therein
10/05/2005CN2730864Y Device for adding material to treatment pool of urban sewage treatment plant
10/05/2005CN2730863Y Fixator for aeration soft pipe
10/05/2005CN2730862Y Alternatively biological filter pool waste gas treatment equipment
10/05/2005CN1678537A Method of reducing volume of sludge and apparatus therefor
10/05/2005CN1678536A Combined activated sludge-biofilm sequencing batch reactor and process
10/05/2005CN1676475A Method for starting anaerobic ammoxidation reactor
10/05/2005CN1221478C Waste water/water treatment method using membrane separation bioreactor
10/05/2005CN1221477C Waste water/water treatment method using microorganism fixed on porous carrier
10/04/2005US6951615 Grease removal system
10/01/2005CA2463120A1 Method, process, apparatus, and product for remediation of hydrocarbon contamination
09/2005
09/29/2005WO2005090243A1 Pressurized biological wastewater purification process
09/29/2005WO2005089920A1 Aerator for oxygenating a liquid
09/29/2005US20050215619 Pure culture of Pseudomonas putida TX2 (BCRC 910232) with capacity to grow on alkylphenol polyethoxylates or alkylphenols as sole source of carbon and energy; bioremediation of these nonionic surfactants
09/29/2005US20050211644 Mixed bed trickling reactor using microbeads
09/29/2005US20050211638 water treatment by applying pulse discharge of a capacitor powered from a dc power supply; modifying physicochemical and biologic characteristics of microorganisms
09/29/2005US20050211629 Method and apparatus of removing nitrogen
09/29/2005US20050211610 Apparatus for in-situ microbial seeding
09/29/2005US20050210941 Biofertilizers and reusable water; geophagus earthworm pheretima elongata culures; simple, low cost
09/29/2005DE102004020235A1 Process to abstract potable water from effluent water by sedimentation, fluidised bed reactor, microfiltration and ultraviolet light disinfection
09/28/2005EP1580169A1 Method and apparatus of removing nitrogen from wastewater