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Solvent treatment of coal for improved liquefaction

Patent ·
OSTI ID:875242
 [1];  [2];  [3]
  1. Pitcairn, PA
  2. Bethel Park, PA
  3. Pittsburgh, PA
+ Show Author Affiliations

Increased liquefaction yield is obtained by pretreating a slurry of solid carbonaceous material and a liquid hydrocarbonaceous solvent at a temperature above 200.degree. C. but below 350.degree. C. for a period of 10 minutes to four hours prior to exposure to liquefaction temperatures.

Research Organization:
Pittsburgh Energy Technology Center (PETC), Pittsburgh, PA (United States)
Sponsoring Organization:
USDOE
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
H000069
Application Number:
06/795,302
OSTI ID:
875242
Country of Publication:
United States
Language:
English

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Related Subjects

/208/201/
10
200
350
below
carbonaceous
carbonaceous material
coal
degree
exposure
hours
hours prior
hydrocarbonaceous
improved
improved liquefaction
increased
liquefaction
liquid
liquid hydrocarbon
liquid hydrocarbonaceous
material
minutes
obtained
period
pretreating
prior
slurry
solid
solid carbon
solid carbonaceous
solvent
solvent treatment
statutory invention registration
temperature
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yield