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Class Information
Number: 210/609
Name: Liquid purification or separation > Processes > Treatment by living organism > Including dewatering sludge
Description: Process including a step of drying or compression of solids to lower the liquid content.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7455773 |
Package wastewater chemical/biological treatment method |
Nov. 25, 2008 |
| 7455997 |
Production of fermentation product |
Nov. 25, 2008 |
| 7429329 |
Hybrid chemical/mechanical dewatering method for sewage treatment plants |
Sep. 30, 2008 |
| 7422687 |
Biotreatment of As-containing hydroxide sludge |
Sep. 9, 2008 |
| 7410583 |
Process of treating organic waste for anaerobic digestion |
Aug. 12, 2008 |
| 7387727 |
Contaminated liquid filtration system vehicle |
Jun. 17, 2008 |
| 7375173 |
Ecofriendly cationic polyelectrolytes |
May. 20, 2008 |
| 7344648 |
Use of silicones for causing or facilitating the flow of dispersions of solid particulates in liquids |
Mar. 18, 2008 |
| 7332084 |
Process for biological treatment of organic wastewater and apparatus therefor |
Feb. 19, 2008 |
| 7320759 |
Sludge treatment method |
Jan. 22, 2008 |
| 7318894 |
Method and system for treating wastewater |
Jan. 15, 2008 |
| 7294269 |
Organic disposer and method of controlling the same |
Nov. 13, 2007 |
| 7175764 |
Method and device for purifying wastewaters |
Feb. 13, 2007 |
| 7166220 |
Systems and methods for organic wastewater treatment |
Jan. 23, 2007 |
| 7160713 |
Method and apparatus for oxidizing organic matter |
Jan. 9, 2007 |
| 7156998 |
Phased activated sludge system |
Jan. 2, 2007 |
| 7157000 |
Catalytic bioconversion of petroleum-contaminated wastes/wastewaters using kenaf core powder |
Jan. 2, 2007 |
| 7135115 |
Membrane bioreactor waste water treatment method |
Nov. 14, 2006 |
| 7101482 |
Method and facility for treatment of sludge derive from biological water purification facilities |
Sep. 5, 2006 |
| 7087171 |
Method for selective recovery and dewatering sewage sludge by using sludge-coal-oil co-agglomeration |
Aug. 8, 2006 |
| 7083728 |
Method for treating sludge using recycle |
Aug. 1, 2006 |
| 7070693 |
Process for treating septage |
Jul. 4, 2006 |
| 7052607 |
Bioreactor processing method within a tank internally chambered to sequentially perform biological treatment and membrane filtration |
May. 30, 2006 |
| 7045063 |
Treatment of swine wastewater by biological and membrane separation technologies |
May. 16, 2006 |
| 7033503 |
Municipal wastewater treatment apparatus and process with a continuous feed and cyclic aeration |
Apr. 25, 2006 |
| 7005068 |
Method and apparatus for treating animal waste and wastewater |
Feb. 28, 2006 |
| 7001520 |
Method for treating waste-activated sludge using elecroporation |
Feb. 21, 2006 |
| 6966941 |
Sewage sludge treatment |
Nov. 22, 2005 |
| 6921485 |
Two phase anaerobic organic matter treatment and system |
Jul. 26, 2005 |
| 6893566 |
Sewage treatment system |
May. 17, 2005 |
| 6890429 |
Systems and methods for treating waste water |
May. 10, 2005 |
| 6872312 |
Method of using high molecular weight water soluble polymers in membrane bioreactor systems |
Mar. 29, 2005 |
| 6855268 |
Composition useful for conditioning sludge derived from the treatment of an aqueous medium and uses thereof |
Feb. 15, 2005 |
| 6838000 |
Method and device for sewage treatment |
Jan. 4, 2005 |
| 6837999 |
Process for dewatering of sludge |
Jan. 4, 2005 |
| 6830690 |
Two-stage high synthesis activated sludge system with intermediate bio-solids removal |
Dec. 14, 2004 |
| 6808628 |
Membrane bioreactor using non-woven fabric filtration |
Oct. 26, 2004 |
| 6773597 |
Method and apparatus for reducing excess sludge |
Aug. 10, 2004 |
| 6767463 |
Method for minimizing the new water use in the water circulation system of a treatment plant |
Jul. 27, 2004 |
| 6746646 |
Method and apparatus for the disinfecting biosolids |
Jun. 8, 2004 |
| 6733672 |
System and method for the treatment of soot-laden water |
May. 11, 2004 |
| 6709593 |
Method for purifying waste water, and purification plant for carrying out said method |
Mar. 23, 2004 |
| 6709594 |
Method for treating waste-activated sludge using electroporation |
Mar. 23, 2004 |
| 6689274 |
Low oxygen organic waste bioconversion system |
Feb. 10, 2004 |
| 6635178 |
Pathogen inactivation in biosolids with cavitation |
Oct. 21, 2003 |
| 6632362 |
Vacuum retort anaerobic digestion (VRAD) system and process |
Oct. 14, 2003 |
| 6599424 |
Method for lagoon remediation |
Jul. 29, 2003 |
| 6558550 |
Process for treating septage |
May. 6, 2003 |
| 6540919 |
Method of treating waste-activated sludge using electroporation |
Apr. 1, 2003 |
| 6500340 |
Pasteurizing sludge to exceptional quality |
Dec. 31, 2002 |
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