Title:
ASHLESS COAL PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/053332
Kind Code:
A1
Abstract:
An ashless coal production method whereby, when producing ashless coal, coal is extracted using a solution having a coal extraction accelerant (e.g., acenaphthene, fluorene, or dibenzofuran) added at normal temperature to a solvent having a liquid bicyclic aromatic compound (e.g., 1-methylnaphthalene) as the main component thereof, said coal extraction accelerant not including nitrogen and having two benzene rings and at least one ring structure not having a double bond.
Inventors:
SAKAI KOJI
OKUYAMA NORIYUKI
KINOSHITA SHIGERU
YOSHIDA TAKUYA
OKUYAMA NORIYUKI
KINOSHITA SHIGERU
YOSHIDA TAKUYA
Application Number:
PCT/JP2014/076982
Publication Date:
April 16, 2015
Filing Date:
October 08, 2014
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
C10L5/00
Domestic Patent References:
| WO2013129607A1 | 2013-09-06 |
Attorney, Agent or Firm:
HAMADA Yuriko et al. (JP)
Yuriko Hamada (JP)
Yuriko Hamada (JP)
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