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Effect of binder on the properties of iron oxide sorbent for hot gas desulfurization

Journal of Natural gas Chemistry 2010年第2期19卷 169-172页

作者： Fang Zhu Chunhu Li Huilin Fan College of Environmental Science and Technology Taiyuan University of Technology Taiyuan 030024 Shanxi China Key Laboratory of Coal Science and Technology Ministry of Education Institute for Chemical Engineering of Coal Taiyuan University of Technology Taiyuan 030024 Shanxi China Key Laboratory of Marine Chemistry Theory and Technology of Ministry of Education Ocean University of China Qingdao 266100 Shandong China

The most difficult problem in hot gas desulfurization in Integrated Coal gasification Combined Cycle （IGCC） is the pulverization of sulfur removal *** binders for hot gas sulfur removal sorbents can solve the pulverization *** this paper,six sorbents with binders of different argillaceous minerals were prepared by mechanical mixing *** behavior for hot gas desulfurization sorbents was investigated in a fixed-bed *** showed that sorbent NTKW2 with binder of clay had a better sulfidation ***2 had a more stable performance than other sorbents in the continuous sulfidation-regeneration *** capacity of sorbent remained the same in each *** desulfurization efficiency and mechanical strength of NTKW2 were the best among the tested *** behavior of NTKW2 at different temperatures showed different performances,and the best reaction temperature was 550 ℃.Higher heat stability,sulfur capacity and desulfurization efficiency were found on NTKW2 in six continuous sulfidation-regeneration cycles.

关键词： hot gas desulfurization integrated coal gasification combined cycle (IGCC) binder iron oxide sorbent sulfidation

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DEVELOPMENT OF SMOVEN PROCESS FOR hot gas desulfurization

引用

Journal of Coal Science & Engineering(China) 1997年第1期3卷 79-85页

作者：彭万旺步学朋王乃计戢绪国谢可玉

The Beijing Research lnstitute of Coal Chemistry (BRICC) is developing the SMOVEN process for hot gas desulfurization. The SMOVEN process features sulfidation in an entrained bed,regeneration in a low velocity fluid bed or a moving bed with oxygen and sorbent circuIation con-trolled by gas stream. A series of tests on the bench scale unit and the continuous process devel-opment unit were carried out. The regenerable metal oxide sorbents were adopted for the sulfur-related components removing from coal gas at the temperature of 550-650℃. A fluidized bed gasifier of 100 mm (id) generated coal gas for tests. The principle of SMOVEN process has been positively verified.

关键词： hot gas desulfurization SMOVEN process entrained bed fluid bed moving bed

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