Low rank coal or peat having impurities removed by a drying process
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United States of America Patent
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Mar 7, 1989
Issued Date -
N/A
app pub date -
Dec 3, 1987
filing date -
Nov 12, 1985
priority date (Note) -
Expired
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Abstract
A low rank coal or peat has various impurities removed therefrom by a drying process. The impurities may be removed in a subsequent operation. The dried coal or peat will not absorb substantial moisture when stored or transported.
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