滴流床反应器中强化参数对优化性能的影响

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摘要

滴流床反应器性能的提升是通过改变工艺流体力学和原料来获得均匀的反应区域。本综述研究的主要目的是开发新的经验方法,仅举例说明反应设置和流体动力学,以获得更好的反应器性能。从单相到中间相再到产品的转变很大程度上取决于原料特性和反应器的几何特征。这些反应堆的主流是在高压下供气的。滴流床反应器的流动区域取决于压降、固定床温和液相流体力学。反应速率的实验与反应相间的传质扩散有关。观察到,随着液体循环的增加,扩散速率降低。因此,反应速率降低,影响了滴流床反应器的总产率。综上所述,本文综述了流体动力学及其与颗粒孔隙率、产物收率、反应流区和液相速度等因素的关系。它得到了一种新颖的解决方案,阐述了复杂的反应和相动力学。从滴流床反应器塔柱上记录的激波证实了催化床上的反应。滴流床反应器有助于处理高压、高温工艺。这项工作预测了该模型更好的工艺选择性,使其在商业上取得成功。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficacy of Intensified Parameters in the Trickle Bed Reactors Towards an Optimum Performance
The up-gradation in Trickle bed reactors performance obtained by varying process hydrodynamics and raw feed materials to acquire a uniform reactive region. The primary objective of this review study is to develop novel empirical approach which solely exemplifies the reaction setup and hydrodynamics for better reactor performance. The transformation of single phase into the intermediate phase and then to product is quite dependent on raw material characteristics and reactor’s geometrical features. The main streams in these reactors are fed at high pressure. The flow region in Trickle bed reactor depends upon pressure drop, fixed bed temperature and hydrodynamics of the liquid phases. The experiments on reaction rate are concerned with mass transfer diffusion between the reactive phases. It is observed that diffusion rate is decreased by increasing the liquid recycling. Hence, the reaction rate becomes lower and it effects the overall yield of the Trickle bed reactor. In conclusion, this review study gives the understanding of the hydrodynamics and its dependencies on various factors such as particles void fraction, product yield, reactive flow region and liquid phase velocity. It results in a novel solution which elaborates the complex reaction and phase dynamics. The shock waves recorded from the Trickle bed reactor column confirm reaction on catalyst bed. The Trickle bed reactor is helpful in dealing the processes with high pressure and temperature. This work forecasts better process selectivity for this model which makes it commercially successful.
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