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Report on 1981 result of Sunshine Project. Research on direct liquefaction reactor of coal; 1981 nendo sekitan no chokusetsu ekika hannoki no kenkyu seika hokokusho

Abstract

This paper explains the results of research on direct liquefaction reaction of coal in fiscal 1981. The direct liquefaction is a reaction of three phases, gas-liquid-solid, under high temperature and high pressure. A tube type was employed in order to increase volume efficiency of the reactor, the continuous phase disperse number was decreased in order to bring it close to plug flow, and the paste Re number was increased to some extent in order to prevent sedimentation of coal particles. Hydrogen was supplied from the tube halfway for the purpose of supplementing the lowering of hydrogen partial pressure with the progress of reaction. A gas-liquid separator was installed so that increase in gas quantity was controlled in the rear stage of the reactor. As for catalysts, iron ore-sulfur system was examined which was promising as a disposable catalyst in place of the conventional iron system. Effect of catalytic addition was clearly recognizable in comparison with non-catalytic, with an exothermic peak observed comparable to the coal hydrogenation reaction of 350-420 degree C. Its catalytic effect was also presumable from the high pressure differential thermal analysis curve. The catalytic mechanism in the case where sulfur is added to hematite and limonite is  More>>
Authors:
"NONE"
Publication Date:
Jul 01, 1981
Product Type:
Technical Report
Report Number:
JP-NEDO-010017573
Resource Relation:
Other Information: PBD: 1981
Subject:
01 COAL, LIGNITE, AND PEAT; SUNSHINE PROJECT; COAL LIQUEFACTION; CHEMICAL REACTORS; TUBES; EFFICIENCY; FLUID MECHANICS; SEDIMENTATION; SEPARATION EQUIPMENT; CATALYSTS; IRON ORES; SULFUR; HYDROGENATION; DIFFERENTIAL THERMAL ANALYSIS; PARTICLE SIZE
OSTI ID:
20123622
Research Organizations:
New Energy and Industrial Technology Development Organization, Tokyo (Japan)
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
TRN: JN0040734
Availability:
Available to ETDE participating countries only(see www.etde.org); commercial reproduction prohibited; OSTI as DE20123622
Submitting Site:
NEDO
Size:
22 pages
Announcement Date:

Citation Formats

Report on 1981 result of Sunshine Project. Research on direct liquefaction reactor of coal; 1981 nendo sekitan no chokusetsu ekika hannoki no kenkyu seika hokokusho. Japan: N. p., 1981. Web.
Report on 1981 result of Sunshine Project. Research on direct liquefaction reactor of coal; 1981 nendo sekitan no chokusetsu ekika hannoki no kenkyu seika hokokusho. Japan.
1981. "Report on 1981 result of Sunshine Project. Research on direct liquefaction reactor of coal; 1981 nendo sekitan no chokusetsu ekika hannoki no kenkyu seika hokokusho." Japan.
@misc{etde_20123622,
title = {Report on 1981 result of Sunshine Project. Research on direct liquefaction reactor of coal; 1981 nendo sekitan no chokusetsu ekika hannoki no kenkyu seika hokokusho}
abstractNote = {This paper explains the results of research on direct liquefaction reaction of coal in fiscal 1981. The direct liquefaction is a reaction of three phases, gas-liquid-solid, under high temperature and high pressure. A tube type was employed in order to increase volume efficiency of the reactor, the continuous phase disperse number was decreased in order to bring it close to plug flow, and the paste Re number was increased to some extent in order to prevent sedimentation of coal particles. Hydrogen was supplied from the tube halfway for the purpose of supplementing the lowering of hydrogen partial pressure with the progress of reaction. A gas-liquid separator was installed so that increase in gas quantity was controlled in the rear stage of the reactor. As for catalysts, iron ore-sulfur system was examined which was promising as a disposable catalyst in place of the conventional iron system. Effect of catalytic addition was clearly recognizable in comparison with non-catalytic, with an exothermic peak observed comparable to the coal hydrogenation reaction of 350-420 degree C. Its catalytic effect was also presumable from the high pressure differential thermal analysis curve. The catalytic mechanism in the case where sulfur is added to hematite and limonite is similar to that of Fe{sub 2}O{sub 3} - sulfur catalyst, with the center of activity supposed to be Fe{sub 1-x}S. The catalytic effect is largely dependent on the particle size. (NEDO)}
place = {Japan}
year = {1981}
month = {Jul}
}