Binder for metallurgical coke and a process for making same
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United States of America Patent
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Feb 14, 2017
Grant Date -
Dec 24, 2015
app pub date -
Jun 24, 2014
filing date -
Jun 24, 2014
priority date (Note) -
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Abstract
A binder for making metallurgical coke and a process for making the binder. The binder is thermally hydrocracked pitch which has been de-ashed. The binder may be mixed with low rank bituminous coal, heated to make coke which is acceptable as a metallurgical coke. The thermally hydrocracked pitch may be de-ashed by mixing with a solvent, and separating the insoluble portions from the soluble portions using a centrifuge. The soluble portions may be separated from the solvent, for example, in a fractionating section, and used as the binder with poor coking coal to make metallurgical coke.
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