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Biofilm media, treatment system and method of wastewater treatment |
Joshua P. Boltz, David C. H. Austin, Bruce Johnson |
2018-11-27 |
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Method and system for treating wastewater |
Julian Sandino, Steven J. Goodwin |
2014-05-13 |
| 8105490 |
Low phosphorus water treatment systems |
— |
2012-01-31 |
| 7927493 |
Low phosphorus water treatment methods |
— |
2011-04-19 |
| 7833415 |
Method for treating raw sludge including a simultaneous or pulsed aerobic/anoxic digestion process |
Sudhir N. Murthy, John T. Novak, Walter F. Bailey, Jr., Perry Schafer, Christopher Peot |
2010-11-16 |
| 7435340 |
Wastewater treatment system |
Bruce Johnson, George V. Crawford |
2008-10-14 |
| 7404897 |
Method for nitrogen removal and treatment of digester reject water in wastewater using bioaugmentation |
Walter F. Bailey, Jr., Sudhir N. Murthy, Leonard Benson, Timothy Constantine, Thomas Sadick +1 more |
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| 7279102 |
Method of treating wastewater |
Bruce Johnson, George V. Crawford |
2007-10-09 |
| 6946073 |
Method for treating wastewater in a membrane bioreactor to produce a low phosphorus effluent |
Edwin J. Fleischer, Albert M. Wollmann |
2005-09-20 |
| 6863818 |
Method and apparatus for treating wastewater using membrane filters |
Albert M. Wollmann, Sudhir N. Murthy, Edwin J. Fleischer, Thomas A. Broderick |
2005-03-08 |
| 6517723 |
Method and apparatus for treating wastewater using membrane filters |
Albert M. Wollmann, Sudhir N. Murthy, Edwin J. Fleischer, Thomas A. Broderick |
2003-02-11 |
| 5480548 |
Wastewater biological phosphorus removal process |
Joseph Stephenson, Daniel A. Nolasco, Dalton R. Stafford, Douglas M. Kaupp |
1996-01-02 |
| 4867883 |
High-rate biological waste water treatment process using activated sludge recycle |
James R. Borberg, Liliana M. Morales |
1989-09-19 |