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Title:
METHOD FOR PRODUCING ASHLESS COAL
Document Type and Number:
WIPO Patent Application WO/2015/098506
Kind Code:
A1
Abstract:
Provided is a method for producing ashless coal in which the thermal energy of a vaporous solvent that is generated in an extraction step (for example, an extraction tank) and/or in an ashless coal acquisition step (for example, a flasher) is: used as a heat source (in a slurry dewatering heater) in at least one step for producing ashless coal, for example, in a slurry dewatering step (dewatering tank); and recovered as thermal energy comprising water vapor in an exhaust heat recovery boiler.

Inventors:
KINOSHITA SHIGERU
OKUYAMA NORIYUKI
YOSHIDA TAKUYA
SAKAI KOJI
Application Number:
PCT/JP2014/082590
Publication Date:
July 02, 2015
Filing Date:
December 09, 2014
Export Citation:
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Assignee:
KOBE STEEL LTD (JP)
International Classes:
C10L5/00
Foreign References:
JP2013249360A2013-12-12
JP2012172076A2012-09-10
JP2014234453A2014-12-15
Attorney, Agent or Firm:
HAMADA Yuriko et al. (JP)
Yuriko Hamada (JP)
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