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MERCURY MASS DISTRIBUTION DURING LABORATORY AND SIMULATED IN-SITU OIL SHALE RETORTING
Citation:
Hodgson, A., M. Pollard, G. Harris, D. Girvin, AND J. Fox. MERCURY MASS DISTRIBUTION DURING LABORATORY AND SIMULATED IN-SITU OIL SHALE RETORTING. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/2-84/073 (NTIS PB84166982), 1984.
Description:
Total mercury mass in oil shale retort offgas was quantified in a series of laboratory retorting experiments and in a simulated modified in-situ (MIS) retorting experiment. Accurate quantitative determinations of offgas Hg mass were made possible by the use of a continuous on-line Hg monitor. Total Hg mass in the raw shale feedstock and in the processed shale was quantified for all experiments. In addition, total Hg mass in the product oil and water was quantified for the laboratory experiments. The results of the laboratory and simulated in-situ retorting experiments provided evidence which suggests that adsorption of Hg on unretorted or partially retorted shale ultimately controls the movement and final release of Hg to the offgas during MIS retorting.