Cyclic redox scheme towards shale gas reforming: a review and perspectives,Reaction Chemistry & Engineering

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Cyclic redox scheme towards shale gas reforming: a review and perspectives
Reaction Chemistry & Engineering ( IF 3.4 ) Pub Date : 2020-10-06 , DOI: 10.1039/d0re00301h
Lang Qin _{1,

2,

3,

4} , Zhuo Cheng _{1,

2,

3,

4} , Deven Baser _{1,

2,

3,

4} , Tyler Goldenbaum _{1,

2,

3,

4} , Jonathan A. Fan _{5,

6,

7,

8,

9} , Liang-Shih Fan _{1,

2,

3,

4}

Affiliation

Alkanes are potential precursors to many value-added chemicals such as olefins and other petrochemicals. However, the conversion of light alkanes can be challenging due to their strong C–H bonds. Chemical looping technology based on cyclic redox schemes is an attractive platform that utilizes metal oxides as oxygen carriers for clean and effective fuel processing. Chemical looping systems can potentially be operated over a wide range of reaction conditions with a lower capital and operating cost under a reduced energy and environmental penalty. The reactivity and long-term performance of the oxygen carriers are key for the successful deployment of the chemical looping technology. This work reviews the recent advances in chemical looping alkane utilization including chemical looping partial oxidation (CLPO) of methane, chemical looping oxidative coupling of methane (CLOCM) and oxidative dehydrogenation (CLODH) of ethane, propane and butane. In particular, material design, mechanistic insights of the reactions, and associated reactor configurations for the reactions are discussed. The perspective viewpoints are also given on the viability of the cyclic redox schemes for shale gas dehydrogenation/reforming applications.

中文翻译：

页岩气重整的循环氧化还原方案：回顾与展望

烷烃是许多增值化学品（例如烯烃和其他石化产品）的潜在前体。但是，由于轻烷烃具有很强的CH键，因此其转化可能具有挑战性。基于循环氧化还原方案的化学循环技术是一个有吸引力的平台，该平台利用金属氧化物作为氧气载体进行清洁有效的燃料处理。化学环化系统可以在广泛的反应条件下以较低的投资和运营成本运行，同时减少能源和环境损失。氧载体的反应性和长期性能是化学环技术成功部署的关键。这项工作回顾了化学环烷利用的最新进展，包括甲烷的化学环部分氧化（CLPO），甲烷的化学环氧化偶联（CLOCM）和乙烷，丙烷和丁烷的氧化脱氢（CLODH）。特别地，讨论了材料设计，反应的机理见解以及用于反应的相关反应器构造。还针对页岩气脱氢/重整应用的循环氧化还原方案的可行性给出了透视图。

更新日期：2020-11-03

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