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OALib Journal期刊
ISSN: 2333-9721
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镍基整体式催化剂上生物质粗燃气重整调变的特性研究
, PP. 692-697
Keywords: ni基整体式催化剂,生物质燃气,重整反应
Abstract:
？采用浸渍法制备了ni基整体式催化剂,考察了不同条件(温度、时间、空速、水蒸气添加等)对催化剂上生物质粗燃气重整反应性能的影响。结果表明,催化剂在较低温度下(≤500℃)只具有co加氢反应活性,随着反应温度的升高粗燃气重整反应逐渐进行,在800℃以上,ch4和c2转化率均高达95%以上,co2转化率达到92%,但随着反应空速和水蒸气添加量的增加,ch4和co2等转化率呈现缓慢降低的趋势。此外,通过改变水蒸气添加量可对合成气中h2/co体积比在0.85~4.00进行较好调节。结合xrd表征发现,ni基整体式催化剂中ni°的生成可较好地促进重整反应的进行。
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