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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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液相中镍催化剂催化合成气甲烷化的初步研究
, PP. 952-957
Keywords: 合成气甲烷化,十氢萘,供氢溶剂,镍催化剂
Abstract:
？采用液相还原法制备非负载型镍催化剂，将非负载型镍催化剂分散在液相供氢溶剂十氢萘中，催化合成气甲烷化反应。在高压反应釜内，考察了反应温度、物质的量比等操作条件下，镍催化剂催化合成气甲烷化反应的反应活性。并对催化剂进行xrd、sem、h2-tpr表征分析。研究结果表明，在330℃、催化剂用量为2%时，产品气中甲烷含量可达89.39%，co和h2的转化率分别为94.56%和92.60%；催化剂用量为4%时，产品气中甲烷含量可高达94.26%，co的转化率可达到99%以上。合成气甲烷化反应的最佳操作温度为330℃，h2/co物质的量比最佳为2.20~2.67。
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