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Main Title Sorption of Elemental Mercury by Activated Carbons.
Author Krishnan, S. V. ; Gullett, B. K. ; Jozewicz, W. ;
CORP Author Acurex Environmental Corp., Research Triangle Park, NC.;Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
Publisher c1994
Year Published 1994
Report Number EPA-68-D0-0141; EPA/600/J-94/378;
Stock Number PB95-125522
Additional Subjects Activated carbon ; Mercury(Metal) ; Pollution control ; Sorption ; Chemisorption ; Desorption ; Surface properties ; Stationary sources ; Concentration(Composition) ; Reprints ; Physisorption
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NTIS  PB95-125522 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 10p
Abstract The paper gives results of a study of the mechanisms and rate of elemental mercury (Hg) capture by activated carbons, using a bench-scale apparatus. Three types of activated carbons, two thermally activated (PC-100 and FGD) and one impregnated with elemental sulfur (S) (HGR), were used to study the effects of surface area (approximately 550-1000 sq m/g), sorption temperature (23-140 C), and elemental Hg concentration (30 and 60 ppb of elemental Hg in nitrogen). Investigations revealed that sorption occurs in active sites in PC-100 and FGD which are either depleted or deactivated at 140 C. Desorption studies for PC-100 and HGR revealed the sorption mechanism to be a combination of physisorption and chemisorption at 23 C, whereas chemisorptionis the primary route at 140 C.
Supplementary Notes Pub. in Environmental Science and Technology, v28 n8 p1506-1512 Aug 94. See also PB93-124196 and PB94-101540. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
NTIS Title Notes Journal article Oct 92-Oct 93.
Title Annotations Reprint: Sorption of Elemental Mercury by Activated Carbons.
Category Codes 68C; 68A; 50B; 99B; 91A
NTIS Prices PC A02/MF A02
Primary Description 600/13
Document Type NT
Cataloging Source NTIS/MT
Control Number 432230962
Origin NTIS
Type CAT