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Petroleum Science >2011,??Issue 2:??219-223 DOI: https://doi.org/10.1007/s12182-011-0138-9

Chloroaluminate ionic liquid catalyzed isomerization of n-pentane in the presence of product distribution improver Open?Access

文章信息

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作者：Xia Rong′an,Zhang Rui,Meng Xianghai,Liu Zhichang,Meng Jiaying and Xu Chunming
作者單位：

State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China;State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China;State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China;State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China;State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China;State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China

投稿時(shí)間：2010-11-06
引用方式：Xia, R., Zhang, R., Meng, X. et al. Pet. Sci. (2011) 8: 219. https://doi.org/10.1007/s12182-011-0138-9

文章摘要

The ionic liquid Et3NHCl-2AlCl3 can catalyze the isomerization of n-pentane. This paper investigates the ionic liquid catalyzed isomerization performance of n-pentane with several product distribution improvers in an autoclave. The product distribution of n-pentane isomerization could be improved by such improvers as benzene, cyclohexane, and methyl cyclohexane at the expense of conversion of n-pentane. The optimal product distribution improver was determined to be cyclohexane. The yield of isomerate and the selectivity of liquid isoalkanes increased, whereas the conversion of n-pentane decreased, with increasing cyclohexane amount. At the same conversion of n-pentane, the research octane number (RON) of liquid product, with cyclohexane amount of 0.5 wt%, was about 1.3 higher than that without cyclohexane. At the same reaction conditions, the presence of cyclohexane enhanced the yield of isomerate, the selectivity of liquid isoalkanes, and the RON of the liquid product, but reduced the conversion of n-pentane.

關(guān)鍵詞

    Isomerization, ionic liquid, improver, pentane, cyclohexane