Record Display for the EPA National Library Catalog

RECORD NUMBER: 6 OF 8

OLS Field Name OLS Field Data
Main Title Rate Controlling Processes and Enhancement Strategies in Humidification for Duct SO2 Capture.
Author Moyeda, D. K. ; Newton, G. H. ; La Fond, J. F. ; Payne, R. ; Kramlich, J. C. ;
CORP Author Energy and Environmental Research Corp., Irvine, CA.;Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.;PEI Associates, Inc., Cincinnati, OH.
Year Published 1988
Report Number EPA-68-02-3995; EPA/600/2-88/047;
Stock Number PB88-245915
Additional Subjects Electric power plants ; Sulfur dioxide ; Air pollution control ; Flue gases ; Humidification ; Sorbents ; Calcium ; Gas dynamics ; Kinetics ; Chemical reactivity ; Ducts ; Scrubbers ; Stationary sources ; Air pollution control equipment
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB88-245915 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 12/29/1988
Collation 131p
Abstract
The report gives results of an investigation of the fundamental rate processes that govern sulfur capture in power plant ducts during humidification of flue gases. The specific application was the reactivation of partially sulfated calcium-based sorbents from in-furnace injection. The results suggest that physical contacting between the spray water and the sorbent particles is necessary to achieve significant reaction rates. Several ways to promote such contacting were investigated, and a general approach to contacting was proposed. These hypothetical predictions were tested in a subscale rig using laser-based measurements. The reactivity of slurry drops was investigated in a dilute-phase reactor. The results indicate that calcium availability (i.e., dissolution into the liquid) and droplet lifetime were the principal constraints on sulfur capture.