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Retention of trace elements using fly ash in a coal gasification flue gas

✍ Scribed by Mercedes Díaz-Somoano; M Rosa Martínez-Tarazona

Publisher: Wiley (John Wiley & Sons)
Year: 2002
Tongue: English
Weight: 214 KB
Volume: 77
Category: Article
ISSN: 0268-2575
DOI: 10.1002/jctb.599

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✦ Synopsis

Abstract

A fly ash sample was used as sorbent for trace element (As, Se, Cd and Zn) species at high temperatures in flue gases from coal gasification. The influence of temperature (550 and 750 °C) and gas composition (with and without H~2~S and HCl) on retention capacity was evaluated. It was concluded that this fly ash is an efficient sorbent for retaining As, Se, and Zn compounds in the gas phase from a coal gasification flue gas, retention capacities varying with temperature and gas composition.

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