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Title: Direct use of methane in coal liquefaction

Abstract

This invention relates to a process for converting solid carbonaceous material, such as coal, to liquid and gaseous hydrocarbons utilizing methane, generally at a residence time of about 20 to 120 minutes at a temperature of 250 to 750/sup 0/C, preferably 350 to 450/sup 0/C, pressurized up to 6000 psi, and preferably in the 1000 to 2500 psi range, preferably directly utilizing methane 50 to 100% by volume in a mix of methane and hydrogen. A hydrogen donor solvent or liquid vehicle such as tetralin, tetrahydroquinoline, piperidine, and pyrolidine may be used in a slurry mix where the solvent feed is 0 to 100% by weight of the coal or carbonaceous feed. Carbonaceous feed material can either be natural, such as coal, wood, oil shale, petroleum, tar sands, etc., or man-made residual oils, tars, and heavy hydrocarbon residues from other processing systems. 1 fig.

Inventors:
;
Issue Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
OSTI Identifier:
5674192
Application Number:
ON: DE86013732
Assignee:
Dept. of Energy
DOE Contract Number:  
AC02-76CH00016
Resource Type:
Patent
Resource Relation:
Other Information: Portions of this document are illegible in microfiche products
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; BITUMINOUS COAL; ALKYLATION; COAL LIQUEFACTION; METHANE; CHEMICAL REACTIONS; FLOWSHEETS; HIGH PRESSURE; HIGH TEMPERATURE; HYDROGEN; HYDROGEN TRANSFER; NATURAL GAS; ORGANIC SOLVENTS; TIME DEPENDENCE; ALKANES; BLACK COAL; CARBONACEOUS MATERIALS; COAL; DIAGRAMS; ELEMENTS; ENERGY SOURCES; FLUIDS; FOSSIL FUELS; FUEL GAS; FUELS; GAS FUELS; GASES; HYDROCARBONS; LIQUEFACTION; MATERIALS; NONMETALS; ORGANIC COMPOUNDS; SOLVENTS; THERMOCHEMICAL PROCESSES; 010405* - Coal, Lignite, & Peat- Hydrogenation & Liquefaction

Citation Formats

Sundaram, M S, and Steinberg, M. Direct use of methane in coal liquefaction. United States: N. p., 1985. Web.
Sundaram, M S, & Steinberg, M. Direct use of methane in coal liquefaction. United States.
Sundaram, M S, and Steinberg, M. Wed . "Direct use of methane in coal liquefaction". United States.
@article{osti_5674192,
title = {Direct use of methane in coal liquefaction},
author = {Sundaram, M S and Steinberg, M},
abstractNote = {This invention relates to a process for converting solid carbonaceous material, such as coal, to liquid and gaseous hydrocarbons utilizing methane, generally at a residence time of about 20 to 120 minutes at a temperature of 250 to 750/sup 0/C, preferably 350 to 450/sup 0/C, pressurized up to 6000 psi, and preferably in the 1000 to 2500 psi range, preferably directly utilizing methane 50 to 100% by volume in a mix of methane and hydrogen. A hydrogen donor solvent or liquid vehicle such as tetralin, tetrahydroquinoline, piperidine, and pyrolidine may be used in a slurry mix where the solvent feed is 0 to 100% by weight of the coal or carbonaceous feed. Carbonaceous feed material can either be natural, such as coal, wood, oil shale, petroleum, tar sands, etc., or man-made residual oils, tars, and heavy hydrocarbon residues from other processing systems. 1 fig.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1985},
month = {6}
}