Systems and methods of separating manure from a manure and bedding mixture

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United States Patent

Menke et al.

(io) Patent No.: (45) Date of Patent:

US 7,552,827 B2 Jun. 30, 2009

(54) SYSTEMS AND METHODS OF SEPARATING MANURE FROM A MANURE AND BEDDING MIXTURE

(75) Inventors: Thomas Menke, Greenville, OH (US);

David Ricke, Greensburg, IN (US)

(73) Assignee: Envirolytic Technologies, LLC,

Centerville, OH (US)

( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 99 days.

(21) Appl.No.: 11/548,044

(22) Filed: Oct. 10, 2006

(65) Prior Publication Data

US 2008/0083659 Al Apr. 10, 2008

(51) Int. CI.

B03B 5/00 (2006.01)
B03B 5/60 (2006.01)

(52) U.S. CI 209/156; 209/155; 209/157;

209/158

(58) Field of Classification Search 209/155,

209/156

See application file for complete search history. (56) References Cited

U.S. PATENT DOCUMENTS

209/155 426/335 426/286

Systems and methods configured to continuously separate manure and bedding comprise a vertical housing without screens, grates, or filters therein, a manure and bedding inlet port coupled to the side of the housing, and a water inlet port coupled to the side of the housing. The system further comprises at least one inlet flow controller. Upon separation of the bedding and manure, the housing comprises a manure outlet port disposed on its upper portion and configured to output a product stream comprising separated manure and water. The housing further comprises a bedding outlet port disposed on its lower portion and configured to output a product stream comprising separated bedding and water.

15 Claims, 3 Drawing Sheets

Page 2

U.S. PATENT DOCUMENTS

OTHER PUBLICATIONS

Bion, "various pages from http://www.biontech.com/technology/index.html" Bion Environmental Technologies, Inc. Norweco.com "Identification of Wastewater Organisms" http:www. morweco .com/html/lab/Identify.htm.

Rich, Linvil G., "Aerated Lagoon Technology" Clemson University Environmental Engineering & Science, http://www.ces.clemson. edu.ees/rich/technotes/.

Rich, Linvil G., "Effluent BOD5—A Misleading Parameter for the Performance of Aerated Lagoons Treating Municipal Wastewaters" Aerated Lagoon Technology, Technical Note No. 1, Clemson University Environmental Engineering & Science, http://www.ces. clemson.edu/ees/rich/technotel.html.

Rich, Linvil G., "Facultative Lagoons: A Different Technology" Aerated Lagoon Technology, Technical Note No. 8, Clemson University Environmental Engineering & Science, http://www.ces.clemson. edu/ees/rich/technotes/technote8.htm.

Farm Pilot Project Coordination, Inc., "Technologies for Nutrient Management, Dairy Projects" http://fppcinc.org/dairy.htm. "Tru-Grit Manure Sand Saver", Parkson Corporation, 2006, pp. 1-2.

* cited by examiner