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Class Information
Number: 210/629
Name: Liquid purification or separation > Processes > Treatment by living organism > Aerobic treatment > And internally circulating the liquid
Description: Process which includes a step of agitating or imparting movement of material within a vessel, other than mere flow through from inlet to outlet.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7488413 |
Waste water treatment plant and method |
Feb. 10, 2009 |
| 7485232 |
Water treatment method and water treatment apparatus |
Feb. 3, 2009 |
| 7481935 |
Waste water treatment process |
Jan. 27, 2009 |
| 7479224 |
Purification plant to biologically purify waste water |
Jan. 20, 2009 |
| 7465394 |
Wastewater treatment system |
Dec. 16, 2008 |
| 7459083 |
Method for controlling fouling of a membrane filter |
Dec. 2, 2008 |
| 7455776 |
Method for mixing high viscous liquids with gas |
Nov. 25, 2008 |
| 7445714 |
Biological processing of animal waste |
Nov. 4, 2008 |
| 7425269 |
Method to increase lateral oxygen transfer in waste water |
Sep. 16, 2008 |
| 7422688 |
Biological wastewater treatment process and reactor |
Sep. 9, 2008 |
| 7419594 |
Apparatus and method for controlling biomass growth in suspended carrier bioreactor |
Sep. 2, 2008 |
| 7413656 |
Aerobic sewage system |
Aug. 19, 2008 |
| 7329350 |
Filtration system |
Feb. 12, 2008 |
| 7329351 |
Process and apparatus for increasing biological activity in waste treatment in bodies of water |
Feb. 12, 2008 |
| 7300584 |
Treatment of a suspension in a bioreactor with integrated hydraulic bottom layer removal |
Nov. 27, 2007 |
| 7290669 |
Upflow bioreactor having a septum and an auger and drive assembly |
Nov. 6, 2007 |
| 7279104 |
Waste treatment method |
Oct. 9, 2007 |
| 7270751 |
Method for treatment of sewage plant sludges by a fungal process |
Sep. 18, 2007 |
| 7252766 |
Wastewater treatment system and method |
Aug. 7, 2007 |
| 7163632 |
System and method for oxygenation for wastewater treatment |
Jan. 16, 2007 |
| 7150832 |
Apparatus for and a method of treating organic waste |
Dec. 19, 2006 |
| 7147781 |
Backwash system and method for waste water treatment system |
Dec. 12, 2006 |
| 7105091 |
Waste treatment with control over biological solids |
Sep. 12, 2006 |
| 7101483 |
Process for treating a body of water |
Sep. 5, 2006 |
| 7081199 |
Aerobic digester for bodily waste material |
Jul. 25, 2006 |
| RE39203 |
Current and aeration system for wastewater plant |
Jul. 25, 2006 |
| 7060185 |
Sewage treatment apparatus using self-granulated activated sludge and sewage treatment method thereof |
Jun. 13, 2006 |
| 7041219 |
Method and apparatus for enhancing wastewater treatment in lagoons |
May. 9, 2006 |
| 7025883 |
Autotrofic sulfur denitration chamber and calcium reactor |
Apr. 11, 2006 |
| 7018534 |
Apparatus and method for controlling biomass growth in suspended carrier bioreactor |
Mar. 28, 2006 |
| 7014769 |
Method for reducing nitrate concentration in wastewater |
Mar. 21, 2006 |
| 7011757 |
Process for recycling mixed liquor with dual-use jet recirculation pumps to provide highly efficient wastewater treatment |
Mar. 14, 2006 |
| 7008538 |
Single vessel multi-zone wastewater bio-treatment system |
Mar. 7, 2006 |
| 6984325 |
Water and aqueous mix treatment using venturi discharge oxygen |
Jan. 10, 2006 |
| 6958121 |
Aerobic digester for bodily waste material |
Oct. 25, 2005 |
| 6929746 |
Waste stream digestion method |
Aug. 16, 2005 |
| 6926830 |
Combined activated sludge-biofilm sequencing batch reactor and process |
Aug. 9, 2005 |
| 6841072 |
Method and device for the anaerobic purification of a slurry which contains organic constituents |
Jan. 11, 2005 |
| 6833074 |
Waste treatment with control over biological solids |
Dec. 21, 2004 |
| 6821426 |
Process for treating a body of water |
Nov. 23, 2004 |
| 6808629 |
Method for effluent purification |
Oct. 26, 2004 |
| 6802975 |
Method for biological effluent treatment |
Oct. 12, 2004 |
| 6802974 |
Method and device for producing biogas, which contains methane, from organic substances |
Oct. 12, 2004 |
| 6787035 |
Bioreactor for treating wastewater |
Sep. 7, 2004 |
| 6787036 |
Method and apparatus for aerating wastewater |
Sep. 7, 2004 |
| 6780317 |
Method of purifying water, suitable bacteria for the method and use thereof |
Aug. 24, 2004 |
| 6780318 |
Method for recovering a disposal trench with a biomat slime, and method for operating a waste treatment vessel |
Aug. 24, 2004 |
| 6761823 |
System and method for removing contaminants from water |
Jul. 13, 2004 |
| 6743357 |
Waste stream digestion system |
Jun. 1, 2004 |
| 6726838 |
Biofilm carrier, method of manufacture thereof and waste water treatment system employing biofilm carrier |
Apr. 27, 2004 |
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