Title:
METHOD FOR PRODUCING ASH-FREE COAL AND APPARATUS FOR PRODUCING ASH-FREE COAL
Document Type and Number:
WIPO Patent Application WO/2018/030161
Kind Code:
A1
Abstract:
This method for producing an ash-free coal comprises: a step for mixing a coal and a solvent with each other; a step for eluting a coal component soluble in the solvent from the coal in a slurry obtained in the above-described mixing step; a step for separating a solution obtained in the above-described eluting step from the slurry, said solution being obtained by dissolving the coal component in the solvent; and a step for evaporating the solvent from the solution, which is separated in the above-described separating step. A liquid cyclone separator is used for the separation of the solution in the above-described separating step.
Inventors:
SAKAI KOJI
KINOSHITA SHIGERU
YOSHIDA TAKUYA
OKUYAMA NORIYUKI
KINOSHITA SHIGERU
YOSHIDA TAKUYA
OKUYAMA NORIYUKI
Application Number:
PCT/JP2017/027178
Publication Date:
February 15, 2018
Filing Date:
July 27, 2017
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
C10L5/00
Domestic Patent References:
| WO2014157409A1 | 2014-10-02 |
Foreign References:
| JPS52132001A | 1977-11-05 | |||
| JPS5927984A | 1984-02-14 | |||
| JPS61247791A | 1986-11-05 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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