Coal blends having improved ash viscosity
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United States of America Patent
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Nov 15, 1994
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app pub date -
Jul 31, 1991
filing date -
Jul 31, 1991
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Abstract
Coal blends suitable for combustion in a slagging-type combustion apparatus comprise blends of (1) a bituminous coal which forms ash slag having unacceptably high viscosity with (2) a lignitic coal which forms ash slag having marginal viscosity characteristics or T.sub.cv whereupon combustion of the blends results in formation of ash slag having viscosity which is synergistically lowered and acceptable for slagging.
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