University of Lille, CNRS, Centrale Lille, University of Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, Lille, France.
Direction Recherche & Développement, TotalEnergies SE, TotalEnergies One Tech Belgium, Zone Industrielle Feluy C, B-7181 Seneffe, Belgium.
Chem Soc Rev. 2022 Sep 20;51(18):7994-8044. doi: 10.1039/d1cs01036k.
Light olefins are important feedstocks and platform molecules for the chemical industry. Their synthesis has been a research priority in both academia and industry. There are many different approaches to the synthesis of these compounds, which differ by the choice of raw materials, catalysts and reaction conditions. The goals of this review are to highlight the most recent trends in light olefin synthesis and to perform a comparative analysis of different synthetic routes using several quantitative characteristics: selectivity, productivity, severity of operating conditions, stability, technological maturity and sustainability. Traditionally, on an industrial scale, the cracking of oil fractions has been used to produce light olefins. Methanol-to-olefins, alkane direct or oxidative dehydrogenation technologies have great potential in the short term and have already reached scientific and technological maturities. Major progress should be made in the field of methanol-mediated CO and CO direct hydrogenation to light olefins. The electrocatalytic reduction of CO to light olefins is a very attractive process in the long run due to the low reaction temperature and possible use of sustainable electricity. The application of modern concepts such as electricity-driven process intensification, looping, CO management and nanoscale catalyst design should lead in the near future to more environmentally friendly, energy efficient and selective large-scale technologies for light olefin synthesis.
低碳烯烃是化学工业的重要原料和平台分子。它们的合成一直是学术界和工业界的研究重点。这些化合物的合成方法有很多种，它们的区别在于原料、催化剂和反应条件的选择。本文的目的是强调低碳烯烃合成的最新趋势，并使用几个定量特征对不同的合成路线进行比较分析：选择性、生产率、操作条件的苛刻程度、稳定性、技术成熟度和可持续性。传统上，在工业规模上，通过裂解油馏分来生产低碳烯烃。甲醇制烯烃、烷烃直接或氧化脱氢技术在短期内具有很大的潜力，已经达到了科学和技术的成熟阶段。在甲醇介导的 CO 和 CO 直接加氢制低碳烯烃领域应该取得重大进展。从长远来看，电催化还原 CO 制低碳烯烃是一个非常有吸引力的过程，因为反应温度低，并且可以使用可持续的电力。在不久的将来，应用现代概念，如电驱动过程强化、循环、CO 管理和纳米级催化剂设计，应该会导致更环保、更节能和更具选择性的大规模低碳烯烃合成技术。
