C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/11
C10G 1/04 (2006.01) C10G 1/00 (2006.01) C10G 25/00 (2006.01)
Patent
CA 1080649
ABSTRACT A two stage coal solubilization process is described comprising a relatively mild first stage operation followed by a second stage operation. the severity of which is controlled as a function of the final product desired - thereby providing at least a three product mode operation. The first stage comprises the thermal solubilization of coal in a hydrogen donor material at a temperature less than 800°F and a residence time restrict- ing the formation of aromatics and the loss of hydrogen. In- sufficiently dissolved material and ash is thereafter separated. such as by filtration before processing in a second stage. generally more severe operation. The severity of the second stage operation and conditions employed are selected to produce one of desulfurized coke. a solid product which upon heating is a flowable fluid or a hydrogenated product boiling in the boiling range of turbine fuel.
243479
Farcasiu Malvina
Whitehurst Darrel D.
LandOfFree
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