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Syngas into Fuel

The Ohio State University
Pilot Scale Testing of Carbon-Negative, Product-Flexible Syngas Chemical Looping
Graphic of Ohio State's technology
Program: 
ARPA-E Award: 
$7,099,904
Location: 
Columbus, OH
Project Term: 
04/01/2010 to 09/30/2014
Project Status: 
ALUMNI
Technical Categories: 
Critical Need: 
Coal-fired power plants provide nearly 50% of all electricity in the U.S. While coal is a cheap and abundant natural resource, its continued use contributes to rising carbon dioxide (CO2) levels in the atmosphere. Capturing and storing this CO2 would reduce atmospheric greenhouse gas levels while allowing power plants to continue using inexpensive coal. Carbon capture and storage represents a significant cost to power plants that must retrofit their existing facilities to accommodate new technologies. Reducing these costs is the primary objective of ARPA-E's carbon capture program.
Project Innovation + Advantages: 
The Ohio State University has developed an iron-based material and process for converting syngas--a synthetic gas mixture--into electricity, H2, and/or liquid fuel with zero CO2 emissions. Traditional carbon capture methods use chemical solvents or special membranes to separate CO2 from the gas exhaust from coal-fired power plants. Ohio State's technology uses an iron-based oxygen carrier to generate CO2 and H2 from syngas in separate, pure product streams by means of a circulating bed reactor configuration. The end products of the system are H2, electricity, and/or liquid fuel, all of which are useful sources of power that can come from coal or syngas derived from biomass. Ohio State is developing a high-pressure pilot-scale unit to demonstrate this process at the National Carbon Capture Center.
Potential Impact: 
If successful, Ohio State's chemical looping process would enable significant reductions in greenhouse gas emissions while helping position the U.S. as the leader in advanced carbon capture technologies.
Security: 
Enabling continued use of domestic coal for electricity generation will preserve the stability of the electric grid.
Environment: 
Carbon capture technology could prevent more than 800 million tons of CO2 from being emitted into the atmosphere each year.
Economy: 
Improving the cost-effectiveness of carbon capture methods will minimize added costs to homeowners and businesses using electricity generated by coal-fired power plants for the foreseeable future.
Contacts
ARPA-E Program Director: 
Dr. Eric Rohlfing
Project Contact: 
Prof. Liang-Shih Fan
Partners
Clear Skies Consulting
PSRI
CONSOL Energy, Inc.
Release Date: 
10/26/2009