Low sulfur coal additive for improved furnace operation
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United States of America Patent
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Dec 30, 2014
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app pub date -
Jul 18, 2003
filing date -
Jun 26, 2000
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Abstract
The present invention is directed to additives for coal-fired furnaces, particularly furnaces using a layer of slag to capture coal particles for combustion. The additive(s) include iron, mineralizer(s), handling aid(s), flow aid(s), and/or abrasive material(s). The iron and mineralizers can lower the melting temperature of ash in low-iron, high alkali coals, leading to improved furnace performance.
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