A Biogas - Tolerant Engine - Generator for Advanced Agricultural Waste Management Systems

Award Information
Agency: Department of Agriculture
Branch: N/A
Contract: N/A
Agency Tracking Number: 2010-01877
Amount: $79,999.00
Phase: Phase I
Program: SBIR
Awards Year: 2008
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
200 YELLOW PL, Rockledge, FL, 32955
DUNS: 175302579
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Paul Yelvington
 Principal Investigator
 (321) 631-3550
 pyelvington@mainstream-engr.com
Business Contact
 Michael Rizzo
Title: Controller
Phone: (321) 631-3550
Email: mar@mainstream-engr.com
Research Institution
N/A
Abstract
Anaerobic digesters are capable of producing methane-rich biogas from animal manure and also offer the advantages of controlling odors, reducing pathogens, and minimizing the environmental impact of the waste. The biogas produced from anaerobic digesters is a renewable, distributed source of energy that can be used to generate electricity to offset power consumption on farms. Unfortunately, biogas is highly corrosive and quickly embrittles the cast iron and steel used for many engine components. As a result, conventional engines fail after several months of exposure to biogas. The objective of this project is to develop an inexpensive, low-maintenance, high-efficiency, biogas-tolerant engine that can be used for generators at these biodigester installations. Our approach will be to modify the engine to minimize the flow of corrosive gases into the crankcase and to replace critical engine components with ones fabricated from corrosion-resistant materials.

* Information listed above is at the time of submission. *

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