The pathway of trace elements during oil shale combustion—A clue to their availability for leaching processes |
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| Authors: | Moshe Shirav Yoram Zimmels |
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| Institution: | (1) Geological Survey of Israel, 30 Malkhe Yisrael Street, 95501 Jerusalem, Israel;(2) Technion-Israel Institute of Technology, 32000 Technion City Haifa, Israel |
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| Abstract: | A model for the pathway of some trace elements during fluidized-bed combustion of israeli oil shale is suggested, based both
on pilot plant and laboratory tests. This model demonstrates the role of carbonate matrix in suppressing the volatilization
of trace elements due to fixation of most elements in new-formed silicates. The quality of leachates derived from oil shale
combustion wastes can be predicted on the basis of the proposed model. |
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