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利用氧载体中的晶格氧代替分子氧进行的甲烷化学链重整制合成气,是一种新颖的甲烷制合成气技术,具有较高经济效益和环境效应。它具有省却纯氧设备、能自热、合适的氢碳比、有用的副产物以及过程易于工业化等优点,因此受到国内外研究者的普遍关注。本文介绍了化学链重整技术的基本原理及其特点;重点总结了用于甲烷化学链重整的单金属氧载体和复合金属氧载体的研究进展;同时,探讨了几种具有典型代表的甲烷化学链重整反应装置,并指出串行流化床反应器是实现化学链重整技术工业化最有效的装置;最后对化学链重整技术的拓展应用以及与其他技术交叉运用等发展趋势进行了展望。
The reforming of syngas using methane oxygen instead of molecular oxygen in oxygen carrier is a novel methane syngas technology with high economic and environmental benefits. It has the common concern of domestic and foreign researchers that it has the advantages of saving pure oxygen equipment, self-heating, suitable hydrogen-carbon ratio, useful by-products and easy industrialization of the process. This paper introduces the basic principles and characteristics of chemical chain reforming technology. The research progress of single metal oxygen carriers and composite metal oxygen carriers for the chemical chain reforming of methane are summarized. At the same time, several typical representative methane It is pointed out that the serial fluidized bed reactor is the most effective device for industrialization of chemical chain reforming. Finally, the development trend of chemical chain reforming technology and its application to other technologies are also discussed Outlook.