Determining the Optimum Temperature Path Versus the Catalyst Working Time in a Trickle Bed Diesel Hydrodesulfurization Reactor

IF 1.6 4区 生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Hamid Reza Homayonfar, H. A. Ebrahim, M. Azarhoosh
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引用次数: 0

Abstract

This study consists of four main parts. First, a heterogeneous reactor model was developed to simulate a diesel hydrodesulfurization (HDS) reactor with catalyst deactivation. Second, operating conditions were investigated. Third, the simulation results from the first part were modeled using the response surface method and artificial neural networks (ANNs) to shorten the temperature path optimization time. Among the different modeling methods, the feed-forward ANN method employing the Bayesian Regularization (BR) training method with 10 neurons in the hidden layer demonstrated the highest accuracy. Finally, the temperature path of the trickle bed reactor was optimized. A three-dimensional curve depicting sulfur output content versus temperature and catalyst operation time was plotted using the most effective ANN approach as a fitness function. When the sulfur content met the Euro-6 requirement, the temperature path versus catalyst working period was optimized.
确定涓流床柴油加氢脱硫反应器中催化剂的最佳温度路径和工作时间
本研究包括四个主要部分。首先,开发了一个异相反应器模型,用于模拟催化剂失活的柴油加氢脱硫(HDS)反应器。其次,研究了运行条件。第三,利用响应面法和人工神经网络(ANN)对第一部分的模拟结果进行建模,以缩短温度路径优化时间。在不同的建模方法中,采用贝叶斯正则化(BR)训练方法的前馈式人工神经网络方法(隐层有 10 个神经元)精度最高。最后,对涓流床反应器的温度路径进行了优化。使用最有效的 ANN 方法作为拟合函数,绘制了硫含量与温度和催化剂运行时间的三维曲线。当硫含量达到欧 6 要求时,温度路径与催化剂工作时间的关系得到优化。
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来源期刊
Chemical and Biochemical Engineering Quarterly
Chemical and Biochemical Engineering Quarterly 工程技术-工程:化工
CiteScore
2.70
自引率
6.70%
发文量
23
审稿时长
>12 weeks
期刊介绍: The journal provides an international forum for presentation of original papers, reviews and discussions on the latest developments in chemical and biochemical engineering. The scope of the journal is wide and no limitation except relevance to chemical and biochemical engineering is required. The criteria for the acceptance of papers are originality, quality of work and clarity of style. All papers are subject to reviewing by at least two international experts (blind peer review). The language of the journal is English. Final versions of the manuscripts are subject to metric (SI units and IUPAC recommendations) and English language reviewing. Editor and Editorial board make the final decision about acceptance of a manuscript. Page charges are excluded.
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