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化工进展  2015 

异丁烷/丁烯烷基化固体酸催化剂的再生方法研究进展

DOI: 10.16085/j.issn.1000-6613.2015.09.014, PP. 3296-3302

Keywords: 固体酸,催化剂,异丁烷,丁烯,烷基化,失活,再生

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Abstract:

阐述了固体酸烷基化催化剂在异丁烷/丁烯烷基化中的再生方法研究进展,包括金属临氢再生、氧化煅烧再生、超临界流体再生、洗涤再生,同时对固体酸烷基化催化剂的失活原因和失活形式进行了分析评述。这些方法在一定条件下可以实现催化剂不同程度的再生,但由于操作以及成本等原因都停留在实验室阶段,本文综合比较了各种再生方法的再生工艺过程以及再生效果,分析各种再生方法的优劣。固体酸烷基化催化剂失活较快是阻碍异丁烷/丁烯固体酸烷基化工艺工业化的关键因素,研究探索操作简单、成本低、有效的固体酸烷基化催化剂再生方法仍将是今后该领域的研究热点。

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