基于Ni/Al2O3催化的异丁烯二聚反应精馏过程的动力学研究
Isooctane is a promising gasoline additive that could be produced by dimerization of isobutene（IB） with subsequent hydrogenation.In this work,the dimerization of IB has been carried out in a batch reactor over a temperature range of 338-383 K in the presence of laboratory prepared Ni/Al2O3 as a cata...
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| Veröffentlicht in: | 中国化学工程学报：英文版 2015, Vol.23 (3), p.520-527 |
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| container_title | 中国化学工程学报：英文版 |
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| creator | Liwei Tong Lifang Chen Yinmei Ye Zhiwen Qi |
| description | Isooctane is a promising gasoline additive that could be produced by dimerization of isobutene（IB） with subsequent hydrogenation.In this work,the dimerization of IB has been carried out in a batch reactor over a temperature range of 338-383 K in the presence of laboratory prepared Ni/Al2O3 as a catalyst and n-pentane as solvent.The influence of various parameters such as temperature,catalyst loading and initial concentration of IB was examined.A Langmuir-Hinshelwood kinetic model of IB dimerization was established and the parameters were estimated on the basis of the measured data.The feasibility of oligomerization of IB based on the reactive distillation was simulated in ASPEN PLUS using the kinetics developed.The simulation results showed that the catalyst of Ni/Al2O3 had higher selectivity to diisobutene（DIB） and slightly lower conversion of IB than ion exchange resin in the absence of polar substances. |
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| ispartof | 中国化学工程学报：英文版, 2015, Vol.23 (3), p.520-527 |
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| language | eng |
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| subjects | Ni/Al2O3 Ni／Al2O3催化剂 丁烯二聚 催化剂装填 动力学模型 反应精馏过程 温度范围 离子交换树脂 |
| title | 基于Ni/Al2O3催化的异丁烯二聚反应精馏过程的动力学研究 |
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