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煤气化过程痕量元素迁移实验研究

, PP. 21-30

Keywords: 煤气化,痕量元素,迁移,金属丝网反应器,气流床

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Abstract:

煤气化过程痕量元素排放引起的环境问题是成为关注的热点之一。为了研究和掌握气流床气化炉中的痕量元素排放规律,利用高温高压金属丝网(wire-meshreactor,WMR)反应器模拟气流床气化不同的气化和热解条件,对煤样及反应器产生的煤焦样中的As、Se、Pb、V、Co、Ba、Cr、Mn.痕量元素进行电感耦合等离子体-质谱(inductivelycoupledplasma-massspectrometry,ICP-MS)分析。WMR实验结果与气化炉中试装置试验煤、灰、渣样品中数据及热力学模型

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