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Simulation of Mercury Capture by Sorbent Injection Using a Simplified Model

Simulation of Mercury Capture by Sorbent Injection Using a Simplified Model

Bingtao Zhao, Zhongxiao Zhang, Jing Jin, Wei-Ping Pan

J Hazard Mater. 2009 Oct 30;170(2-3):1179-85.

PMID: 19541417

Abstract:

Mercury pollution by fossil fuel combustion or solid waste incineration is becoming the worldwide environmental concern. As an effective control technology, powdered sorbent injection (PSI) has been successfully used for mercury capture from flue gas with advantages of low cost and easy operation. In order to predict the mercury capture efficiency for PSI more conveniently, a simplified model, which is based on the theory of mass transfer, isothermal adsorption and mass balance, is developed in this paper. The comparisons between theoretical results of this model and experimental results by Meserole et al. [F.B. Meserole, R. Chang, T.R. Carrey, J. Machac, C.F.J. Richardson, Modeling mercury removal by sorbent injection, J. Air Waste Manage. Assoc. 49 (1999) 694-704] demonstrate that the simplified model is able to provide good predictive accuracy. Moreover, the effects of key parameters including the mass transfer coefficient, sorbent concentration, sorbent physical property and sorbent adsorption capacity on mercury adsorption efficiency are compared and evaluated. Finally, the sensitive analysis of impact factor indicates that the injected sorbent concentration plays most important role for mercury capture efficiency.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP787549262	MOCPAC		787549-26-2	Price

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