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System and method for producing substitute natural gas from coal

United States Patent

August 7, 2012
View the Complete Patent at the US Patent & Trademark Office
The present invention provides a system and method for producing substitute natural gas and electricity, while mitigating production of any greenhouse gasses. The system includes a hydrogasification reactor, to form a gas stream including natural gas and a char stream, and an oxygen burner to combust the char material to form carbon oxides. The system also includes an algae farm to convert the carbon oxides to hydrocarbon material and oxygen.
Hobbs; Raymond (Avondale, AZ)
Arizona Public Service Company (Phoenix, AZ)
11/ 672,699
February 8, 2007
GOVERNMENT LICENSE RIGHTS This invention was made with Government support under DOE Contract No. DE-FC26-06NT42759 awarded by the Department of Energy. The Government has certain rights in this invention.