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Closing the Anthropogenic Chemical Carbon Cycle toward a Sustainable Future via CO_2 Valorization

机译：通过CO_2 VALORIZ化关闭人为化学碳循环朝向可持续的未来

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摘要

Concerns over the massive increase in CO2 emissions induced by overconsumption of fossil fuels have driven the rapid development of CO2 valorization techniques. Carbon capture and utilization (CCU) technology, which emerged as a promising strategy to relieve increasing environmental concerns and create more carbon feedstocks simultaneously, hold great promise to close the anthropogenic chemical carbon cycle. Herein, recent breakthroughs related to the two predominant techniques involved in returning CO2 into a useful state, namely CO2 capture and CO2 conversion are systematically overviewed. Initially, CO2 capture principles, recent advances, as well as future challenges of state-of-the-art absorbents/adsorbents and membrane separation technology are summarized. Furthermore, innovative catalysts related to the CO2 conversion technologies (including thermo-driven CO2 hydrogenation, photo-and electrochemical CO2 reduction, and enzymatic CO2 conversion) are discussed, emphasis is focused on the catalytic performance, design principles, and economic efficiency. Finally, a perspective regarding the future research opportunities toward CCU technologies is provided. This review aims to stimulate innovation and accelerate interdisciplinary integrations toward CCU related technologies via a discussion of fundamental mechanisms, recent breakthroughs, current associated difficulties as well as future directions.
机译：对化石燃料过度发射引起的二氧化碳排放量大规模增加的担忧推动了CO2算法技术的快速发展。碳捕获和利用（CCU）技术被出现为缓解越来越多的环境问题并同时创造更多碳原料的有希望的策略，对缩放人为化学碳循环保持良好的承担。这里，系统概述了近期返回二氧化碳的两种主要技术与有用状态相关的突破，即CO 2捕获和CO2转化。最初，总结了CO2捕获原则，最近的进展以及最先进的吸收剂/吸附剂和膜分离技术的未来挑战。此外，讨论了与CO 2转化技术（包括热驱动的CO2氢化，光纤和电化学CO2还原和酶）CO 2转化有关的创新催化剂，重点是催化性能，设计原则和经济效率。最后，提供了关于未来对CCU技术的研究机会的观点。本综述旨在通过讨论基本机制，近期突破，当前相关困难以及未来方向，刺激创新，加速对CCU相关技术的跨学科融合与CCU相关技术。

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