Title:
METHOD AND APPARATUS FOR UPGRADING LOW-RANK COAL
Document Type and Number:
WIPO Patent Application WO/2011/002187
Kind Code:
A9
Abstract:
The present invention relates to a method and apparatus for upgrading low-rank coal, which upgrade low-rank coal, having a water content of 30% or more, into coal for generating power and having a water content of 10% or less and a calorific value of 6,500 kcal/kg or more, through the use of heavy oil ash and a microwave drying process, which prevents the spontaneous combustion of the coal upgraded into high-rank coal.
Inventors:
KIM JAE KWAN (KR)
LEE HYUN DONG (KR)
LEE HYUN DONG (KR)
Application Number:
PCT/KR2010/004177
Publication Date:
May 05, 2011
Filing Date:
June 28, 2010
Export Citation:
Assignee:
KOREA ELECTRIC POWER CORP (KR)
KIM JAE KWAN (KR)
LEE HYUN DONG (KR)
KIM JAE KWAN (KR)
LEE HYUN DONG (KR)
International Classes:
C10L9/10; C10B47/28; C10L9/08
Attorney, Agent or Firm:
SUH, Man Kyu et al. (KR)
서만규 (KR)
서만규 (KR)
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