We remind you of our recent report, as accessible via:
USDOE and Arizona Coal to Methane + Electricity | Research & Development | News; concerning: "United States Patent 8,236,072 - System and Method for Producing Substitute Natural Gas from Coal; 2012; Inventor: Raymond Hobbs, AZ; Assignee: Arizona Public Service Company, Phoenix; Abstract: 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. ... Government Interests: 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. Claims: A system for producing substitute natural gas and electricity, the system comprising: a hydrogasification reactor for reacting hydrogen with coal. ... The system for producing substitute natural gas and electricity ... wherein the algae farm includes material to convert carbon oxides from the oxygen burner to hydrocarbon material and oxygen";