随着全球工业化的迅猛发展,CO2的排放量逐年增加,带来严重的生态问题.探索和实现废弃物中CO2的高值化利用,对推动循环经济和促进可持续发展具有重大意义.从可持续发展的观点来看,CO2 是一种重要的C1资源,由于其丰富、廉价、易得和可再生等特点,引起了全球的广泛关注.在双碳目标的驱动下,开发将CO2转化为具有高附加值化学品的新技术和新工艺,是实现CO2资源化利用的有效途径.通过先进催化技术将CO2转化为高附加值产品,不仅可以优化能源结构,还可以实现碳资源的高效利用.本文系统地介绍了使用热催化、光催化、电催化和生物耦合技术高效地将 CO2 转化为 C1 化学品、C2 化学品、多碳化学品、富含能量的碳基长链分子和环状碳酸酯的最新进展;详细地介绍了催化剂的设计思路和性能调控方法;概述了CO2转化反应器的设计和优化策略.最后,对CO2转化技术的发展趋势和可能面临的挑战进行展望.
Recent Advances in Carbon Dioxide Conversion Technology for the Preparation of High Value Chemicals
With the rapid development of global industrialization,CO2 emissions are rising year by year,bringing about serious ecological problems.Exploring and realizing the high-value utilization of CO2 from waste is of great significance in promoting circular economy and sustainable development.From the viewpoint of sustainable development,as an important C1 resource,CO2 has attracted extensive global attention due to its remarkable features such as abundance,cheapness,easy availability and renewability.Driven by the dual-carbon target,the development of new technologies and processes for converting CO2 into chemicals with high added value is an effective way to realize the resourceful use of CO2.The conversion of CO2 into high value-added products through advanced catalytic technology can not only optimize the energy structure,but also realize the efficient use of carbon resources.In this paper,the recent progress in the efficient conversion of CO2 into C1 chemicals,C2 chemicals,multi-carbon chemicals,energy-rich carbon-based long chain molecules and cyclic carbonates using thermal catalysis,photocatalysis,electrocatalysis and bio-coupling techniques are systematically reviewed.The design idea and performance control method of catalyst are introduced in detail.The design and optimization strategy of CO2 conversion reactor are summarized.Finally,the development trend and possible challenges of CO2 conversion technology are prospected.
CO2 resource utilizationcatalytic conversionhigh value-added chemicals
万方数据
维普
