OLS : Record


Main Title Advantage of Illinois Coal for FGD Removal of Mercury.
Author Ghorishi, S. B.; Jozewicz, W. S.; Gullett, B. K.;
CORP Author ARCADIS Geraghty and Miller, Durham, NC.;Environmental Protection Agency, Research Triangle Park, NC. National Risk Management Research Lab.
Publisher May 2002
Year Published 2002
Report Number EPA/600/A-02/075;
Stock Number PB2002-107514
Subjects Air pollution control; Coal; Mercury(Metal); Flue gases; Illinoi; Combustion; Stationary sources; Mercuric chloride; Active residues; Flue gas desulfurization; Gas-phase elemental mercury; Coal combustion flue gases
Library   Call Number Additional Info Location Date Modified
NTIS PB2002-107514 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 10/23/2002
Collation 18p
Abstract The paper gives results of an investigation conducted to characterize and modify mercury speciation in Illinois coal combustion flue gas so that a mercury control strategy can be implemented in conventional flue gas desulfurization (FGD) units. Mercury, in trace concentration in coal, is readily volatilized during coal combustion and leaves the high-temperature zone as gas-phase elemental mercury (Hgo). Previous results have shown that, as the flue gas is cooled, a portion of the Hgo is converted, primarily to mercuric chloride (HgC12), in the presence of catalytically active surfaces such as certain fly ashes. Unlike Hgo, HgC12 is highly soluble in water and has a high affinity for alkaline sorbents; it can, therefore, be easily removed in wet scrubbers and spray dryers (FGD units). This two-task study examined the effect of injecting Illinois coal combustion residues (ICCRs) on the conversion of Hgo to HgC12 in coal combustion flue gases. Task I studied Hgo oxidation using a fixed-bed, bench-scale reactor in a simulated Illinois coal combustion environment.
Supplementary Notes Sponsored by Environmental Protection Agency, Research Triangle Park, NC. National Risk Management Research Lab.
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Category Codes 68A; 97R; 99B
NTIS Prices PC A03/MF A01
Document Type NT
Control Number 029500370
Cataloging Source NTIS/MT
Origin NTIS
Type CAT