Method for preparing coal mixture for cokemaking, coal mixture, and method for producing coke
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United States of America Patent
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Dec 4, 2018
Grant Date -
Feb 12, 2015
app pub date -
Mar 25, 2013
filing date -
Mar 27, 2012
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Abstract
Provided is a method for preparing a coal mixture used for the purpose of producing coke with desired strength by taking into account the compatibility between coals for cokemaking. In the case of preparing a coal mixture, used as at least one portion of a coal blend for cokemaking, containing two or more types of coals with different surface tensions, the blending ratio of each of the coals is adjusted using the surface tension of a semicoke mixture obtained from the coal mixture as an indicator.
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