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RECORD NUMBER: 91 OF 871

Main Title Calcination and sintering of sorbents during boiler injection for dry sulfur dioxide control. {microfiche}
Author Kirshgessner, D.A. ; Kirchgessner, D. A. ; Jozewicz., W.
CORP Author Acurex Corp., Research Triangle Park, NC.;Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
Publisher Acurex Corporation for US Environmental Protection Agency
Year Published 1991
Report Number EPA-68-02-4701; EPA/600/D-90/218
Stock Number PB91-136648
Additional Subjects Coal ; Combustion products ; Sulfur dioxide ; Pollution control ; Furnaces ; Calcium hydroxides ; Roasting ; Sintering ; Sorbents ; Particle size ; Cost effectiveness ; Stationary sources ; Calcium lignosulfonate
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NTIS  PB91-136648 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 16 p.: ill. ; 29 cm.
Abstract The paper discusses the calcination and sintering of sorbents during boiler injection for dry sulfur dioxide (SO2) control, with emphasis on calcium hydroxide--Ca(OH)2--because of its superior reactivity with SO2 and its wide commercial availability. Calcination and sintering are of particular interest because they produce the surface area, pore volume, and pore size distribution which are responsible for reactivity of the sorbent with SO2. Particle size is also a significant factor. Considerable EPA work has been directed toward increasing the calcium utilization of Ca(OH)2 during furnace injection. Hydroxides have been produced using a variety of surfactants in the water of hydration in an attempt to reduce particle size by preventing agglomeration. Calcium lignosulfonate was shown to be the most cost effective material for reducing particle size in laboratory-scale hydrations.
Notes "EPA 600/D-90/218".
Place Published Research Triangle Park, NC.,
Supplementary Notes Presented at International Conference on Processing/Utilization of High Sulfur Coals (3rd), Ames, IA., November 14-17, 1989. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
PUB Date Free Form 1990.
NTIS Prices PC A03/MF A01
BIB Level m
Cataloging Source OCLC/T
OCLC Time Stamp 20001226170138
Language eng
Origin NTIS
Type MERGE
OCLC Rec Leader 00815nam 2200205Ka 45020