Rendering coal as an environmentally carbon dioxide neutral fuel and a regenerative carbon source
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United States of America Patent
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Jun 11, 2013
Grant Date -
Oct 14, 2010
app pub date -
Apr 7, 2010
filing date -
Apr 10, 2009
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Abstract
The invention provides a method for rendering coal as an environmentally essentially carbon dioxide-neutral fuel. Carbon dioxide produced from coal combustion is captured, purified, combined with coalbed methane or any other natural methane or natural gas source, or with hydrogen, and reacted under reaction conditions sufficient to form methanol and/or dimethyl ether, which can be used as fuel or feedstock for derived synthetic hydrocarbons and products.
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