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Class Information
Number: 210/630
Name: Liquid purification or separation > Processes > Treatment by living organism > Aerobic treatment > And anaerobic treatment
Description: Process wherein additionally the liquid is acted upon by living organisms which thrive in the absence of oxygen.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7628919 |
Method for treating water contaminated with methanol and boron |
Dec. 8, 2009 |
| 7625490 |
Use of a magnetic separator to biologically clean water |
Dec. 1, 2009 |
| 7604740 |
Waste activated sludge stripping to remove internal phosphorus |
Oct. 20, 2009 |
| 7604741 |
Method for on-site production of nitrate ions |
Oct. 20, 2009 |
| 7563374 |
Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment process |
Jul. 21, 2009 |
| 7560027 |
Method for treating wastewater and sludge |
Jul. 14, 2009 |
| 7550087 |
Apparatus and method for treating FGD blowdown or similar liquids |
Jun. 23, 2009 |
| 7550082 |
Process and equipment for treating ammonium containing liquid |
Jun. 23, 2009 |
| 7544299 |
Biological nutrient removal process and process control for same |
Jun. 9, 2009 |
| 7537698 |
Process and equipment for treating ammonium containing liquid |
May. 26, 2009 |
| 7527736 |
Method for generating fracturing water |
May. 5, 2009 |
| 7524419 |
Mixer for use with media in wastewater treatment |
Apr. 28, 2009 |
| 7513998 |
"In-situ" ballast water treatment method |
Apr. 7, 2009 |
| 7510656 |
Waste water treatment method |
Mar. 31, 2009 |
| 7497948 |
Method for remediation of soil and groundwater |
Mar. 3, 2009 |
| 7481935 |
Waste water treatment process |
Jan. 27, 2009 |
| 7473365 |
Method and installation for the biological treatment of water using activated sludge and comprising aeration regulation |
Jan. 6, 2009 |
| 7442306 |
Autotrofic sulfur denitration chamber and calcium reactor |
Oct. 28, 2008 |
| 7439054 |
Bioreactor system for biological degradation of oily sludge |
Oct. 21, 2008 |
| 7431839 |
Low oxygen biologically mediated nutrient removal |
Oct. 7, 2008 |
| 7416669 |
Biological nutrient removal process and process control system for same |
Aug. 26, 2008 |
| 7413654 |
Wastewater treatment control |
Aug. 19, 2008 |
| 7410584 |
Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane |
Aug. 12, 2008 |
| 7393452 |
Compositions and methods for the treatment of wastewater and other waste |
Jul. 1, 2008 |
| 7374683 |
Biofilter and method for filtering a waste liquid |
May. 20, 2008 |
| 7371323 |
System and method for reducing wastewater contaminants |
May. 13, 2008 |
| 7318896 |
Method and apparatus for utilization of recovered magnesium ammonium phosphate |
Jan. 15, 2008 |
| 7314563 |
Membrane coupled activated sludge method and apparatus operating anoxic/anaerobic process alternately for removal of nitrogen and phosphorous |
Jan. 1, 2008 |
| 7309433 |
Fluid bed expansion and fluidisation |
Dec. 18, 2007 |
| 7309434 |
Apparatus and method for wastewater treatment |
Dec. 18, 2007 |
| 7306733 |
Autotrophic denitrification chamber and calcium reactor |
Dec. 11, 2007 |
| 7294272 |
Method for the treatment of waste |
Nov. 13, 2007 |
| 7279100 |
Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane |
Oct. 9, 2007 |
| 7267764 |
Apparatus for removing nitrogen |
Sep. 11, 2007 |
| 7235178 |
Process and assembly for the treatment of waste water on ships |
Jun. 26, 2007 |
| 7211429 |
Organic waste material treatment process |
May. 1, 2007 |
| 7208090 |
Wastewater treatment control |
Apr. 24, 2007 |
| 7195712 |
Wastewater treatment apparatus and method for removing nitrogen and phosphorus |
Mar. 27, 2007 |
| 7172699 |
Energy efficient wastewater treatment for nitrogen and phosphorus removal |
Feb. 6, 2007 |
| 7144509 |
Process and apparatus for waste water treatment |
Dec. 5, 2006 |
| 7105091 |
Waste treatment with control over biological solids |
Sep. 12, 2006 |
| 7087170 |
Method and system for treating wastewater containing organic compounds |
Aug. 8, 2006 |
| 7087169 |
Combined tidal vertical flow and horizontal flow wastewater treatment system and method |
Aug. 8, 2006 |
| 7060186 |
Method and apparatus for the treatment of wastewater |
Jun. 13, 2006 |
| 7056438 |
Flood and drain wastewater treatment system and associated methods |
Jun. 6, 2006 |
| 7033503 |
Municipal wastewater treatment apparatus and process with a continuous feed and cyclic aeration |
Apr. 25, 2006 |
| 7025883 |
Autotrofic sulfur denitration chamber and calcium reactor |
Apr. 11, 2006 |
| 7014769 |
Method for reducing nitrate concentration in wastewater |
Mar. 21, 2006 |
| 7008538 |
Single vessel multi-zone wastewater bio-treatment system |
Mar. 7, 2006 |
| 7005068 |
Method and apparatus for treating animal waste and wastewater |
Feb. 28, 2006 |
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