Varotto Alessio, Pasqual Laverdura Umberto, Feroci Marta, Grilli Maria Luisa
Energy Technologies and Renewable Sources Department, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Via Anguillarese 301, 00123 Rome, Italy.
Department of Fundamental and Applied Sciences for Engineering (SBAI), Sapienza University of Rome, Via Castro Laurenziano, 7, 00161 Rome, Italy.
Materials (Basel). 2024 Aug 1;17(15):3809. doi: 10.3390/ma17153809.
Dry reforming of methane (DRM) is considered one of the most promising technologies for efficient greenhouse gas management thanks to the fact that through this reaction, it is possible to reduce CO and CH to obtain syngas, a mixture of H and CO, with a suitable ratio for the Fischer-Tropsch production of long-chain hydrocarbons. Two other main processes can yield H from CH, i.e., Steam Reforming of Methane (SRM) and Partial Oxidation of Methane (POM), even though, not having CO as a reagent, they are considered less green. Recently, scientists' challenge is to overcome the many drawbacks of DRM reactions, i.e., the use of precious metal-based catalysts, the high temperatures of the process, metal particle sintering and carbon deposition on the catalysts' surfaces. To overcome these issues, one proposed solution is to implement photo-thermal dry reforming of methane in which irradiation with light is used in combination with heating to improve the efficiency of the process. In this paper, we review the work of several groups aiming to investigate the pivotal promoting role of light radiation in DRM. Focus is also placed on the catalysts' design and the progress needed for bringing DRM to an industrial scale.
由于通过该反应可以将一氧化碳和甲烷转化为合成气（一种氢气和一氧化碳的混合物，其比例适合费托合成生产长链烃），甲烷干重整（DRM）被认为是高效温室气体管理最有前景的技术之一。甲烷转化制氢还有另外两个主要过程，即甲烷蒸汽重整（SRM）和甲烷部分氧化（POM），不过，由于它们不使用一氧化碳作为反应物，所以被认为绿色程度较低。最近，科学家面临的挑战是克服DRM反应的诸多缺点，即使用贵金属基催化剂、该过程的高温、金属颗粒烧结以及催化剂表面的积碳。为克服这些问题，一种提出的解决方案是实施甲烷光热干重整，其中将光照射与加热结合使用以提高该过程的效率。在本文中，我们综述了几个研究小组旨在研究光辐射在DRM中的关键促进作用的工作。同时也关注催化剂的设计以及将DRM扩大到工业规模所需的进展。
