Low-sulfur fuels from coals

Carl W Kruse; Jimmie D. Cooper; Neil L. Shimp; Roy J. Helfinstine

Low-sulfur fuels from coals

Carl W Kruse (Inventor), Jimmie D. Cooper (Inventor), Neil L. Shimp (Inventor), Roy J. Helfinstine (Inventor)

Illinois State Geological Survey

Research output: Patent

Abstract

Fine particles of solid fossil fuels are pyrolyzed by passage in a thin layer through a heating zone at successively higher temperatures in a non-oxidizing atmosphere while rapidly separating and removing volatile pyrolysis products. The resulting char may be first treated with mineral acid or employed directly in the hydroprocessing of additional solid fossil fuel to liquid fuels. Alternatively, the acid-washed char may be hydrotreated to afford an improved char product having a low sulfur and mineral content.

Original language	English (US)
U.S. patent number	4758331
Filing date	2/27/84
State	Published - Jul 19 1988

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title = "Low-sulfur fuels from coals",

abstract = "Fine particles of solid fossil fuels are pyrolyzed by passage in a thin layer through a heating zone at successively higher temperatures in a non-oxidizing atmosphere while rapidly separating and removing volatile pyrolysis products. The resulting char may be first treated with mineral acid or employed directly in the hydroprocessing of additional solid fossil fuel to liquid fuels. Alternatively, the acid-washed char may be hydrotreated to afford an improved char product having a low sulfur and mineral content.",

author = "Kruse, {Carl W} and Cooper, {Jimmie D.} and Shimp, {Neil L.} and Helfinstine, {Roy J.}",

note = "The invention described herein was made in the course of work under U.S. Environmental Protection Agency Contract No. 68-02-2130. The Government of the United States has certain rights in this invention.; 4758331",

year = "1988",

month = jul,

day = "19",

language = "English (US)",

type = "Patent",

}

TY - PAT

T1 - Low-sulfur fuels from coals

AU - Kruse, Carl W

AU - Cooper, Jimmie D.

AU - Shimp, Neil L.

AU - Helfinstine, Roy J.

N1 - The invention described herein was made in the course of work under U.S. Environmental Protection Agency Contract No. 68-02-2130. The Government of the United States has certain rights in this invention.

PY - 1988/7/19

Y1 - 1988/7/19

N2 - Fine particles of solid fossil fuels are pyrolyzed by passage in a thin layer through a heating zone at successively higher temperatures in a non-oxidizing atmosphere while rapidly separating and removing volatile pyrolysis products. The resulting char may be first treated with mineral acid or employed directly in the hydroprocessing of additional solid fossil fuel to liquid fuels. Alternatively, the acid-washed char may be hydrotreated to afford an improved char product having a low sulfur and mineral content.

AB - Fine particles of solid fossil fuels are pyrolyzed by passage in a thin layer through a heating zone at successively higher temperatures in a non-oxidizing atmosphere while rapidly separating and removing volatile pyrolysis products. The resulting char may be first treated with mineral acid or employed directly in the hydroprocessing of additional solid fossil fuel to liquid fuels. Alternatively, the acid-washed char may be hydrotreated to afford an improved char product having a low sulfur and mineral content.

M3 - Patent

M1 - 4758331

Y2 - 1984/02/27

ER -

Low-sulfur fuels from coals

Abstract

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