Coal-to-coal adhesiveness evaluation method
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United States of America Patent
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Oct 13, 2020
Grant Date -
Jan 18, 2018
app pub date -
Sep 26, 2017
filing date -
Mar 27, 2012
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Abstract
In order to evaluate the compatibility of coals used in coke production and to produce cokes with desired strength by blending coals in consideration of the compatibility, the invention provides a technique which evaluates the adhesion strength obtained when two kinds of coals are carbonized based. on properties of the coals. Surface tensions of two kinds of semicokes obtained by heat treating two kinds of coals are measured. Based on the difference between the two measured values of surface tension, the quality of the adhesiveness between the two kinds of coals is evaluated.
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