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首页> 外文期刊>Journal of industrial and engineering chemistry >A novel configuration of decalin and hydrogen loop in optimized thermally coupled reactors in GTL technology via differential evolution method
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A novel configuration of decalin and hydrogen loop in optimized thermally coupled reactors in GTL technology via differential evolution method

机译：GTL技术中优化的热耦合反应器中十氢化萘和氢回路的新构型，采用差分进化法

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In this study, decalin and hydrogen looping approach is proposed in optimized thermally coupled membrane ternary reactors in gas-to-liquid technology (GTL). This novel configuration is named thermally coupled membrane ternary reactor (TCMTR), in which decalin dehydrogenation reaction is coupled with Fischer-Tropsch synthesis (FTS) reactions. Three different reactors are fabricated and integrated with membrane reactor where decalin and hydrogen are produced and utilized simultaneously. Under the optimized operating conditions of TCMTR via differential evolution method, decalin can be properly utilized in this novel configuration as a hydrogen carrier and the required decalin can be produced within the continuous loop and a slight amount of decalin is required for supplementation. 4.77% of the produced hydrogen in the first reactor is utilized in FTS reactions in the second reactor and the remaining 95.23% is utilized in hydrogenation reaction of naphthalene in the third reactor which leads to decalin production as a reactant of the first reactor. A comparison is made between the performances of optimized TCMTR (OTCMTR), conventional tubular reactor (CR) and thermally coupled membrane dual-type reactor (TCMDR). Significant decrease in decalin consumption rate can be achieved in this new scheme, and the hydrogen storage problem and no requirement for injection of fresh feed in each process. The results demonstrate the superiority of OTCMTR to all previously proposed configurations. Furthermore, the hydrogen storage problem is properly addressed by OTCMTR and significant decrease in decalin consumption rate can be achieved in this new scheme.
机译：在这项研究中，在气液技术（GTL）中，在优化的热耦合膜三元反应器中提出了十氢化萘和氢气循环方法。这种新颖的配置称为热耦合膜三元反应器（TCMTR），其中十氢萘脱氢反应与费托合成（FTS）反应耦合。制备了三种不同的反应器并将其与膜反应器整合，在膜反应器中同时生产和利用十氢化萘和氢气。在TCMTR通过差异演化方法优化的操作条件下，十氢化萘可适当地以这种新颖构型作为氢载体使用，并且所需的十氢化萘可在连续回路内生产，并且需要少量的十氢化萘进行补充。在第一反应器中产生的氢气的4.77％用于第二反应器的FTS反应中，其余的95.23％用于第三反应器中的萘的氢化反应，这导致萘烷作为第一反应器的反应物产生。在优化的TCMTR（OTCMTR），常规管式反应器（CR）和热耦合膜双反应器（TCMDR）的性能之间进行了比较。在该新方案中，十氢化萘消耗率可显着降低，并且存在氢存储问题，并且无需在每个过程中注入新鲜饲料。结果证明了OTCMTR优于所有先前提出的配置。此外，OTCMTR可以适当地解决储氢问题，并且在该新方案中可以实现十氢化萘消耗率的大幅降低。

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