High conversion of coal to transportation fuels for the future with low HC gas production. Final report, September 28, 1992--September 27, 1996
Technical Report
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OSTI ID:10112706
The objective of this research is to produce transportation fuel, low in aromatics but exhibiting a satisfactory octane rating, from coal-derived liquids. Since coal-derived liquids are high in aromatics, the work has first focused on conversion of aromatics to other compounds, which are observed to exhibit high octane numbers. The studies were initiated using 1-methylnaphthalene as a model compound representative of aromatic compounds found in coal-derived liquids. Different hydrogenation, hydroprocessing and hydrotreatment catalysts were examined with this feed material. Different temperatures, ranging from 200 c to 450 C and different pressures, ranging from 600 psi to 1,500 psi, were investigated. Experiments were conducted in two forms in a stirred batch reactor: single-stage operation and two-stage operation. In the single-stage operation, the model compound was treated with different catalysts at different temperatures. In the two-stage operation, 1-methylnaphthalene was first hydrogenated to methyldecalins and subsequently treated with different hydrocracking catalysts at different reaction conditions to obtain compounds having satisfactory octane numbers. The work performed in this project is described in two sections with the following sub-titles: Task A--Design, Construction and Operation of a Continuous System for Conversion of Coal to Liquids in Very Short times and with Low Hydrogen Consumption; and Task B--Production of High-Octane Gasoline Components by Hydro-Processing of Coal-Derived Aromatic Hydrocarbons.
- Research Organization:
- Univ. of Utah, Dept. of Chemical and Fuels, Salt Lake City, UT (United States)
- Sponsoring Organization:
- USDOE Assistant Secretary for Fossil Energy, Washington, DC (United States)
- DOE Contract Number:
- AC22-92PC92121
- OSTI ID:
- 10112706
- Report Number(s):
- DOE/PC/92121--16; ON: TI99020112
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:10108584