Removal of Mercury from Simulated Coal Combustion Flue Gas by Iron Sulfide-AC Adsorbent

Sheng Ji Wu; Wei Yang; Jie Zhou; Zheng Miao Xie

doi:10.4028/www.scientific.net/AMR.1004-1005.603

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1004-1005Removal of Mercury from Simulated Coal Combustion...

Removal of Mercury from Simulated Coal Combustion Flue Gas by Iron Sulfide-AC Adsorbent

Abstract:

Iron sulfide-AC adsorbents were prepared and their mercury removal capabilities were evaluated in the simulated coal combustion flue gases. The FeS₂ has much higher mercury removal rate than AC although it has much lower BET surface area than AC. FeS₂ also shows higher mercury removal rate than FeS, which is probably due to its higher free sulfur content on the FeS₂. The mercury removal capability of AC modified FeS₂ decreases with increasing of AC content. Temperature programmed desorption/decomposition process (TPDD) shows FeS and FeS₂ have more desorption peak than AC and the main peaks of FeS and FeS₂ are at around 240°C. The desorption peaks of AC modified FeS₂ are shifted to the higher temperature compared with that of FeS₂ and more mercury compositions are desorbed by AC modified FeS₂.

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Periodical:

Advanced Materials Research (Volumes 1004-1005)

Pages:

603-607

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1004-1005.603

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Online since:

August 2014

Authors:

Sheng Ji Wu, Wei Yang, Jie Zhou, Zheng Miao Xie

Keywords:

AC Modified FeS₂ Adsorbent, FeS₂, Mercury Remove, TPDD

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