化工进展 ›› 2016, Vol. 35 ›› Issue (12): 3848-3857.DOI: 10.16085/j.issn.1000-6613.2016.12.017

• 能源加工与技术 • 上一篇    下一篇

新型太阳能辅助碳捕集技术进展综述与性能比较

刘一楠, 邓帅, 赵睿恺, 赵力, 何俊南   

  1. 中低温热能高效利用教育部重点实验室, 天津大学, 天津 300350
  • 收稿日期:2016-04-22 修回日期:2016-06-06 出版日期:2016-12-05 发布日期:2016-12-05
  • 通讯作者: 邓帅,讲师,主要从事热致混合气体分离和碳捕集研究。E-mail:sdeng@tju.edu.cn。
  • 作者简介:刘一楠(1991-),女,硕士研究生。
  • 基金资助:
    国家自然科学基金青年科学基金(51506149)及天津市应用基础与前沿技术研究计划青年基金(15JCQNJC06700)项目。

Progress overview and performance comparison of innovative solar-assisted carbon capture technologies

LIU Yinan, DENG Shuai, ZHAO Ruikai, ZHAO Li, HE Junnan   

  1. Key Laboratory of Efficient Utilization of Low and Medium Grade Energy, Tianjin University, Tianjin 300350, China
  • Received:2016-04-22 Revised:2016-06-06 Online:2016-12-05 Published:2016-12-05

摘要: 近年来,CO2捕集技术正在从定向分离的单一过程向同步存储或利用的集成过程快速过渡。这种发展趋势也对太阳能辅助碳捕集的集成形式提出了更高的要求。本文综述了化学链燃烧、水合物法和热化学循环三种新型太阳能辅助碳捕集技术,从辅助方式、操作条件和性能等方面展开深入分析。围绕理想分离最小功和二次定律效率两个参数,对新技术和传统技术进行了性能评价和对比。结果说明了对于CO2体积分数在5%~20%的混合气体,吸收法和热化学循环法的二次定律效率较高,发展较为成熟,而水合物法的分离最小功最小,理论上较易实现分离。新型太阳能辅助碳捕集技术可促进碳产品的生产,为全球碳循环的搭建完成了重要的一环。

关键词: 二氧化碳, 二氧化碳捕集, 系统集成, 太阳能

Abstract: In recent years,CO2 capture technologies are going through a rapid development stage from single process of CO2 separation to integrated synergy processes of CO2 separation,storage or utilization. Such a development trend also poses a higher challenge to the integration solution of solar-assisted CO2 capture technologies. This paper overviewed three innovative solar-assisted CO2 capture technologies(chemical looping combustion,hydrate-based CO2 capture and thermal chemical cycle)and made an in-depth analysis in terms of integration solution,operational parameters and performance,et al. Then based on the theory of ideal separation minimum work and second-law efficiency,a performance evaluation and comparison are conducted between innovative and conventional technologies. The results showed that,for gas mixtures with CO2 concentration from 5%~20%,absorption and thermal chemical cycle are relatively mature applications with higher second-law efficiency,and it is easy to achieve separation for hydrate-based CO2 capture because of the lowest minimum work. The innovative solar-assisted CO2 capture technologies can promote the production of carbon products and take an important step for the construction of global carbon cycle.

Key words: carbon dioxide, CO2 capture, system integration, solar energy

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