Abstract Naphtha catalytic reforming is a key process for oil refining in terms of production of gasoline with a high octane number. In the present research, the gradual and sudden effect of operating conditions changes on the products of the catalytic reforming unit and the octane number, as well as how to neutralize their negative effects were investigated. Also, kinetic parameter optimisation and unit operation optimisation, using the Levenberg–Marquardt algorithm were performed. For these purposes, a suitable dynamic model was solved within a three-lump kinetic network that included a model of the reactors, furnaces, and catalyst deactivation functions. In addition, two cases were considered for operationalizing the optimization to maintain the octane number at its highest value during the catalyst lifetime. In the first case, the optimization parameters were the inlet temperature of the three reactors along with the recycle flow rate; in the second case, the optimised parameters were the inlet temperature of the three reactors, the recycle rate, and the feed flow rate.

中文翻译：

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石脑油催化重整装置运行条件渐变和突变影响的拟动态优化与研究

摘要 石脑油催化重整是炼油生产高辛烷值汽油的关键工艺。在本研究中，研究了操作条件变化对催化重整装置产品和辛烷值的渐进和突然影响，以及如何抵消它们的负面影响。此外，还进行了使用 Levenberg-Marquardt 算法的动力学参数优化和单元操作优化。出于这些目的，在包括反应器、熔炉和催化剂失活函数模型的三块动力学网络中求解了一个合适的动态模型。此外，考虑了两种情况来实施优化以在催化剂寿命期间将辛烷值保持在其最高值。在第一种情况下，优化参数为三个反应器的入口温度和循环流量；在第二种情况下，优化的参数是三个反应器的入口温度、循环率和进料流速。