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OALib Journal期刊
ISSN: 2333-9721
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甲醇水蒸气重整制氢反应条件的优化
, PP. 116-122
Keywords: 全因子设计,中心旋转组合设计,响应曲面,甲醇水蒸气重整,氢气,优化
Abstract:
？对共沉淀法制备的cuo/zno/ceo2-zro2催化剂在甲醇水蒸气重整制氢反应体系中的性能进行了考察,并利用统计学实验设计方法对该反应的反应条件进行了优化。选择反应温度、水醇比和甲醇气体空速为独立要因,利用全因子实验设计方法,得到反应温度对两个响应值(甲醇转化率和重整气中co物质的量分数)的影响最为显著,甲醇气体空速对重整气中co物质的量分数的影响最小。固定甲醇气体空速为300h-1,利用中心旋转组合设计实验方法对反应温度和水醇比进行优化,得出当反应温度在249~258℃、水醇比在1.76~2.00时,甲醇能全部转化,重整气中co物质的量分数小于0.5%。此模型的计算值与实验结果较为接近,表明采用统计学实验设计方法得出的结论对甲醇水蒸气重整制氢反应条件的优化具有指导意义。
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