Title:
【発明の名称】炭質燃料を品質改良する方法及び装置
Document Type and Number:
Japanese Patent JP2725890
Kind Code:
B2
Abstract:
The present invention is concerned with upgrading the BTU values of carbonaceous materials. The carbonaceous material is introduced into a heat exchanger and is injected with gas such as an inert gas or carbon dioxide at a high pressure to raise the pressure at which the upgrading process is carried out. The carbonaceous material is then heated to the desired temperature by circulating a heat exchange medium throughout at least one vessel which is in contact with the carbonaceous material. Water and other by-products such as tar and gases are recovered during this process. The heated water may be used as a source of pre-heating feed material in another vessel.
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Inventors:
KOPPELMAN EDWARD (US)
Application Number:
JP50914394A
Publication Date:
March 11, 1998
Filing Date:
September 21, 1993
Export Citation:
Assignee:
KEI EFU EKUSU INC
International Classes:
C10L5/00; C10L7/00; C10L9/00; F28D7/12; F28D7/16; (IPC1-7): C10L5/00; C10L7/00; C10L9/00
Attorney, Agent or Firm:
Akira Asamura (3 outside)