US 7,468,132 B2
Method for treatment of animal waste
Jay William Zotter, Macungie, Pa. (US); Jason David Wert, Centre Hall, Pa. (US); and Christopher Anthony Quentin Harvey, Macungie, Pa. (US)
Assigned to Air Products and Chemicals, Inc., Allentown, Pa. (US); and Herbert, Rowland & Grubic, Inc., State College, Pa. (US)
Filed on Oct. 24, 2006, as Appl. No. 11/585,572.
Prior Publication US 2008/0093292 A1, Apr. 24, 2008
Int. Cl. C02F 3/00 (2006.01)
U.S. Cl. 210—603  [210/609; 210/605; 210/748] 11 Claims
OG exemplary drawing
 
1. A method of treating manure from a plurality of concentrated animal feed operations, said method comprising:
receiving said manure at a central location;
digesting said manure and thereby producing combustible gases, solid matter and water containing dissolved organic pollutants;
drawing off said combustible gases;
separating a portion of said water from said solid matter; and
converting said dissolved organic pollutants into bacteria, carbon dioxide and additional water by treating said portion of said water using an activated sludge aeration system.