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Coal Desulfurization by Low-Temperature Chlorinolysis

Hsu, George C. and Kalvinskas, John J. and Ganguli, Partha S. and Gavalas, George R. (1977) Coal Desulfurization by Low-Temperature Chlorinolysis. In: Coal Desulfurization: Chemical and Physical Methods. ACS Symposium Series. No.64. American Chemical Society , Washington, DC, pp. 206-217. ISBN 9780841204003. http://resolver.caltech.edu/CaltechAUTHORS:20151008-112331561

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Abstract

Since most of the coals in this country, particularly the eastern and mid-western coals, have a high sulfur content (>2%), there is a need for an economical process of converting high-sulfur coals to clean fuel (<1.2 lbs of SO_2 emission per million Btu by EPA standards) so that coal can be used as a source of energy without causing serious air pollution. Among the three principal methods for precombustion desulfurization of coal - physical depyriting, chemical desulfurization, and coal conversion to low-sulfur liquid and gaseous fuels, the potential of chemical methods looks promising in terms of both total sulfur removal and processing cost. The principal chemical methods for coal desulfurization involve treatment with either oxidizing agents or basic media at elevated temperature and pressure. For example, the method of oxidation by contacting an aqueous slurry of coal with air at pressures up to 1000 psi and temperatures.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/bk-1977-0064.ch017DOIArticle
http://pubs.acs.org/doi/abs/10.1021/bk-1977-0064.ch017PublisherArticle
ORCID:
AuthorORCID
Gavalas, George R.0000-0003-1468-6835
Additional Information:© 1977 American Chemical Society. This paper presents the results of one phase of research carried out at the Jet Propulsion Laboratory, California Institute of Technology, under Contract No. NAS 7-100, sponsored by the National Aeronautics and Space Administration.
Funders:
Funding AgencyGrant Number
NASANAS 7-100
NASA/JPL/CaltechUNSPECIFIED
Record Number:CaltechAUTHORS:20151008-112331561
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20151008-112331561
Official Citation:Coal Desulfurization by Low—Temperature Chlorinolysis GEORGE C. HSU, JOHN J. KALVINSKAS, PARTHA S. GANGULI, and GEORGE R. GAVALAS Coal Desulfurization. June 1, 1977, 206-217 DOI:10.1021/bk-1977-0064.ch017
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:60902
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:13 Oct 2015 22:21
Last Modified:13 Feb 2019 18:06

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