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Chloroaluminate ionic liquid catalyzed isomerization of n-pentane in the presence of product distribution improver
  • 时间:0
  • 分类:O627.31[理学—有机化学;理学—化学] O646.1[理学—物理化学;理学—化学]
  • 作者机构:[1]State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
  • 相关基金:Financial support was provided by the National Science Foundation of China (Grant Nos. 20806091, 20976194, and 21036008).
中文摘要:

离子的液体 Et3NHCl-2AlCl3 能催化 n 戊烷的异构化。这份报纸调查离子的液体有在一个压热器的几产品分发 improvers 的 n 戊烷的催化异构化性能。n 戊烷异构化的产品分发能被象苯,环己烷,和甲基环己烷的如此的 improvers 在损坏 n 戊烷的变换的情况下改进。最佳的产品分发 improver 决心是环己烷。而 n 戊烷的变换减少了, isomerate 和液体 isoalkanes 的选择的收益增加了,与增加环己烷数量。在 n 戊烷的一样的变换,与 0.5 wt% 的环己烷数量,没有环己烷,液体产品的研究辛烷数字(RON ) 比那高是大约 1.3。以一样的反应条件,环己烷的存在提高了 isomerate,液体 isoalkanes 的选择,和液体产品的 RON 的收益,但是减少了 n 戊烷的变换。

英文摘要:

The ionic liquid Et3NHC1-2AIC13 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, cyelohexane, 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.

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