Special Oil & Gas Reservoirs ›› 2023, Vol. 30 ›› Issue (2): 1-9.DOI: 10.3969/j.issn.1006-6535.2023.02.001

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Status and Prospects of Carbon Capture, Utilization and Storage Technology

Zhang Kai1, Chen Zhangxing1,2, Lan Haifan2, Ma Haoming1, Jiang Liangliang1, XueZhenqian1, Zhang Yuming1, Cheng Shixuan1   

  1. 1. University of Calgary, Calgary Alberta T2N 1N4, Canada;
    2. China University of Petroleum (Beijing), Beijing 102249, China
  • Received:2022-09-09 Revised:2022-12-01 Online:2023-04-25 Published:2023-05-29

Abstract: Carbon capture, utilization and storage (CCUS) is an effective carbon treatment technology. In the context of carbon neutrality, the CCUS technology in China will usher in a trillion-dollar industrial trend. At present, a significant progress has been made in all aspects of CCUS technology, but large-scale applications still face many challenges. By investigating the domestic and international CCUS technology literature and the CCUS projects in operation and planned to be built worldwide, the current development status and research progress of CCUS technology at home and abroad are summarized, and the challenges and future development prospects of CCUS are further clarified. The study shows that the current carbon capture efficiency is less than 90%, and the cost of carbon capture accounts for 60%-85% of the total cost of CCUS projects. The research and development of carbon capture technology should focus on pre-combustion capture (such as ethanol, ammonia and natural gas processing industries) and post-combustion capture to improve carbon capture efficiency and reduce carbon capture costs; the CO2 utilization technology is currently at the industrial demonstration stage, and breaking the high-temperature and high-pressure environmental bottleneck and finding suitable catalysts to improve carbon utilization efficiency are the key research directions for the next stage of CO2 utilization technology; the CO2 storage in oil and gas fields and saline aquifer shall be further researched and promoted on a large scale in terms of an improvement of CO2 enhanced oil and gas recovery and an increase of CO2 storage potential; In CCUS projects, challenges such as achieving economic profitability, technological innovation, cost reduction and efficiency, and policy subsidy incentives need to be overcome; new energy sources coupled with CCUS, such as hydrogen and geothermal energy from oil and gas fields, will become a new model for CCUS promotion in the future. This study has implications for accurately grasping the research direction of CCUS technology, promoting the progress and innovation of CCUS technology, and accelerating the leapfrog development of CCUS technology.

Key words: carbon capture, utilization and storage, carbon capture efficiency, CO2 enhanced oil and gas recovery, hydrogen energy coupled with CCUS, geothermal energy from oil and gas fields coupled with CCUS

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