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Analysis of Reactivity of Zn-Based Desulfurization Sorbents for Reducing Power, Water Vapor Content and H2S Content of the Coal Gas in a Batch-Type Fluidized-Bed Reactor  

Park, Young Cheol (Greenhouse Gas Research Center, Korea Institute of Energy Research)
Jo, Sung-Ho (Greenhouse Gas Research Center, Korea Institute of Energy Research)
Son, Jae-Ek (The Graduate School of Energy & Environment, Seoul National University of Technology)
Yi, Chang-Keun (Greenhouse Gas Research Center, Korea Institute of Energy Research)
Publication Information
Korean Chemical Engineering Research / v.47, no.6, 2009 , pp. 710-714 More about this Journal
Abstract
In this study, we analyzed the desulfurization performance of Zn-based dry sorbents according to the reducing power, water vapor content and $H_2S$ inlet concentration of coal gas in a batch-type fluidized-bed reactor. We used three different coal gas composition with different reducing power such as KRW air-blown coal gas, Shell oxygenblown coal gas and IAE coal gas. The experiments were performed by changing the inlet concentration of water vapor and $H_2S$ in a coal gas. Water vapor content was varied from 5% to 30% and $H_2S$ inlet concentration from 0.5% to 2.0%. As both the water vapor content and $H_2S$ inlet concentration increased, desulfurization performance of Zn-based sorbents decreased regardless of the reducing power of the coal gas. The minimum desuflurization performance was, however, above 99.5% for all experimental conditions, which implied that Zn-based dry sorbents could be used to remove $H_2S$ up to 99%.
Keywords
Zn-Based Dry Sorbents; Desulfurization Performance; Reducing Power; Water Vapor Content; $H_2S$ Inlet Concentration; Fluidized-Bed Reactor;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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