High capacity sorbents and optimization of existin.. (MERCURYCAP)
High capacity sorbents and optimization of existing pollution control technologies for mercury capture in industrial combustion systems
Start date: Oct 1, 2007,
End date: Sep 30, 2016
This proposal addresses the global problem of mercury (Hg) emissions from coal-fired plants and the current position of conventional air pollution control devices (APCDs) only providing partial solution for oxidized Hg capture, particularly for low-rank coals.Our previous work has shown that (1) low-cost gasification chars have superior mercury capture performance than current benchmark carbons; and (2) manganese oxide compounds sorbs mercury and also act as catalysts to promote mercury oxidation, that can then be subsequently captured in existing APCDs.Accordingly, the two-fold objective is to further develop low-cost injection sorbents, and maximize mercury oxidation and its subsequent capture in existing APCDs. Fundamental studies will be followed by extensive testing in pilot and full scale systems to evaluate the performance of the developed materials under actual plant conditions.
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