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筛板塔中多组分丙酮-丁醇-乙醇精馏过程的建模与模拟

Modelling and simulation of multicomponent acetone-butanol-ethanol distillation process in a sieve tray column.

作者信息

Pudjiastuti Lily, Widjaja Tri, Iskandar Kornelius Kevin, Sahid Fikran, Nurkhamidah Siti, Altway Ali, Putra Atha Pahlevi

机构信息

Industrial Chemical Engineering Department, Institut Teknologi Sepuluh Nopember, Sukolilo, Surabaya 60111, Indonesia.

Chemical Engineering Department, Institut Teknologi Sepuluh Nopember, Sukolilo, Surabaya 60111, Indonesia.

出版信息

Heliyon. 2021 Apr 8;7(4):e06641. doi: 10.1016/j.heliyon.2021.e06641. eCollection 2021 Apr.

DOI:10.1016/j.heliyon.2021.e06641
PMID:33869863
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8045003/
Abstract

Renewable energy sources are prospective solutions for addressing future energy needs arising from the ever-increasing population and dwindling petroleum reserves. Biobutanol is one of the most efficient biofuels for use as a mixture with motor vehicle fuels. Biobutanol is produced from the acetone-butanol-ethanol (ABE) fermentation process and is separated into the pure components via multicomponent distillation. Mathematical modelling of the continuous multicomponent distillation of ABE was carried herein out using an equilibrium-based model with the modified Hang-Wanke method in MATLAB R2020a programming language and compared with the simulation results using Aspen Plus V9. The variables of this study were the feed stage, number of trays, reflux ratio to butanol purity, butanol recovery, and energy load of the reboiler and condenser. Based on the simulation results, the operating conditions in columns 1 and 2 were recommended based on the butanol purity, recovery, and reboiler load; the recommended operating conditions for column 1 are as follows-feed stage: 4, reflux ratio: 4, number of trays: 20 trays, with a column efficiency of 55.43%. The recommended operating conditions for column 2 are as follows-feed stage: 2, reflux ratio: 0.4, number of trays: up to 10, with a column efficiency of 54.94%.

摘要

可再生能源是满足因人口不断增长和石油储量减少而产生的未来能源需求的潜在解决方案。生物丁醇是用作机动车燃料混合物的最有效的生物燃料之一。生物丁醇通过丙酮 - 丁醇 - 乙醇（ABE）发酵工艺生产，并通过多组分蒸馏分离成纯组分。本文使用基于平衡的模型和MATLAB R2020a编程语言中的改进Hang - Wanke方法对ABE的连续多组分蒸馏进行了数学建模，并与使用Aspen Plus V9的模拟结果进行了比较。本研究的变量包括进料阶段、塔板数、回流比与丁醇纯度、丁醇回收率以及再沸器和冷凝器的能量负荷。根据模拟结果，基于丁醇纯度、回收率和再沸器负荷，推荐了第1列和第2列的操作条件；第1列的推荐操作条件如下：进料阶段：4，回流比：4，塔板数：20块塔板，塔效率为55.43%。第2列的推荐操作条件如下：进料阶段：2，回流比：0.4，塔板数：最多10块，塔效率为54.94%。

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本文引用的文献

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Acetone-butanol fermentation process development and economic evaluation.丙酮-丁醇发酵工艺开发与经济评估
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J Ind Microbiol Biotechnol. 2001 Nov;27(5):292-7. doi: 10.1038/sj.jim.7000123.
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Acetone-butanol fermentation revisited.丙酮-丁醇发酵再探讨。
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