Flash hydropyrolysis of coal (FHP)

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The present studies concentrate on the rapid gas phase non-catalytic hydrogenation of a non-caking coal (lignite) maximizing liquid hydrocarbon yields for distillate fuels and chemical feedstock. The features of a non-catalytic process and direct hydrogenation in one step to liquid distillates tend to improve the efficiency and reduce capital and operating costs compared to other liquefaction processes such as Fischer-Tropsch. The basis of the process is to rapidly heat pulverized lignite to elevated temperatures in a hydrogen atmosphere. This devolatilizes the coal and opens up molecular bonds in the coal structure subsequently forming smaller molecular fragments which add on hydrogen ... continued below

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Pages: 42

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Steinberg, M. & Fallon, P.T. January 1, 1977.

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Description

The present studies concentrate on the rapid gas phase non-catalytic hydrogenation of a non-caking coal (lignite) maximizing liquid hydrocarbon yields for distillate fuels and chemical feedstock. The features of a non-catalytic process and direct hydrogenation in one step to liquid distillates tend to improve the efficiency and reduce capital and operating costs compared to other liquefaction processes such as Fischer-Tropsch. The basis of the process is to rapidly heat pulverized lignite to elevated temperatures in a hydrogen atmosphere. This devolatilizes the coal and opens up molecular bonds in the coal structure subsequently forming smaller molecular fragments which add on hydrogen to form hydrocarbon products. Rapid cooling of the products prevents further degradation of the hydrocarbons to char. For development and design requirements it is necessary to obtain process chemistry information.

Physical Description

Pages: 42

Notes

Dep. NTIS, PC A03/MF A01.

Source

  • Fossil Energy/ERDA crosscut meeting, Upton, NY, USA, 15 Sep 1977

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  • Report No.: BNL-23282
  • Report No.: CONF-770996-1
  • Grant Number: EY-76-C-02-0016
  • Office of Scientific & Technical Information Report Number: 5364110
  • Archival Resource Key: ark:/67531/metadc1065783

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1977

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 20, 2018, 6:50 p.m.

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Steinberg, M. & Fallon, P.T. Flash hydropyrolysis of coal (FHP), article, January 1, 1977; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc1065783/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.