Main Title |
Chemical Desulfurization of Coal: Report of Bench-Scale Developments. Volume 1. |
Author |
Hamersm, J. W. ;
Koutsouko, E. P. ;
Kraf, M. L. ;
Meyer, R. A. ;
Ogl, G. J. ;
|
CORP Author |
TRW Systems Group, Redondo Beach, Calif. |
Year Published |
1973 |
Report Number |
EHSD-71-7; R2-73-173a; |
Stock Number |
PB-221 405 |
Additional Subjects |
( Coal preparation ;
Desulfurization) ;
Chemical cleaning ;
Leaching ;
Pyrite ;
Iron chlorides ;
Iron sulfate ;
Cost estimates ;
Capitalized costs ;
Operating costs ;
Air pollution ;
Process variables ;
Sulfur organic compounds ;
Design ;
Air pollution control ;
Meyers process ;
Sulfur content
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB-221 405 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
184p |
Abstract |
Bench-scale and laboratory tests were conducted for chemical removal of sulfur (S) from coal to produce a low sulfur coal to meet air quality standards. The method used was the Meyer's process in which pyritic sulfur is oxidized by ferric compounds to a water soluble form. Approximately 100% of pyritic S was removed, using aqueous ferric salt solutions which, for the four coals tested, corresponded to an absolute removal of 1-3.5% by coal weight of S. The heat content of the coal increased and the ash content decreased as a result of pyrite removal. The pyritic S was removed from the coal as elemental S (40 mole %) and iron sulfate (60 mole %). Process operating temperatures of 50-130C, pressures of 1-10 atm, residence times of 1-16 hrs, and coal top sizes from 1/4-in. to 100 mesh were evaluated. Preliminary process design and cost estimation for a 100-ton/hr coal desulfurization plant are given. |
Supplementary Notes |
See also Volume 2, PB-221 406. |
Highlights Notes |
In 2 volumes describes the Meyers Process and gives cost estimates. |
NTIS Title Notes |
Final rept.. |
PUB Date Free Form |
Feb 73, |
Category Codes |
21D; 7A; 68A; 59B; 97F#; 81D |
NTIS Prices |
PC A09/MF A01 |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
326563696 |
Origin |
NTIS |
Type |
CAT |