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US 8,349,034 B2Granted
Engineered fuel feed stock useful for displacement of coal in coal firing plants
AssigneeRe Community Energy, LLC
InventorsPaula A. Calabrese, Dingrong Bai
Life of this patent
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Abstract
Disclosed are novel engineered fuel feed stocks, feed stocks produced by the described processes, and methods of making the fuel feed stocks. Components derived from processed MSW waste streams can be used to make such feed stocks which are substantially free of glass, metals, grit and noncombustibles. These feed stocks are useful for a variety of purposes including co-firing with coal and as substitutes for coal.
Claims10
A fuel feed stock, consisting essentially of MSW, the MSW, prior to thermal conversion, having
- a carbon content of about 70% (w/w) to about 80% (w/w);
- a hydrogen content of about 5 (w/w) to 10% (w/w);
- a moisture content of less than 10% (w/w);
- wherein the feed stock has an O/C ratio of between about 0.05 to about 0.12;
- wherein the MSW contains biodegradable and non-biodegradable materials;
- and
- wherein the feed stock contains substantially no glass, metals, grit, and noncombustible waste.
4 more elements
Dependencies are inferred from the claim text.