Research progress and application of carbon sequestration in industrial flue gas by microalgae: A review.

Xue Wang, Rui Wang, Tingyu Zhu

Journal: Journal of environmental sciences (China) 2024;152():14-28

PMID: 39617540

Full Text on Elsevier Science View on PubMed

Abstract

Global warming caused by the emission of CO in industrial flue gas has attracted more and more attention. Therefore, to fix CO with high efficiency and environmentally friendly had become the hot research field. Compared with the traditional coal-fired power plant flue gas emission reduction technology, carbon fixation and emission reduction by microalgae is considered as a promising technology due to the advantages of simple process equipment, convenient operation and environmental protection. When the flue gas is treated by microalgae carbon fixation and emission reduction technology, microalgae cells can fix CO in the flue gas through photosynthesis, and simultaneously absorb NO and SO as nitrogen and sulfur sources required for growth. Meanwhile, they can also absorb mercury, selenium, arsenic, cadmium, lead and other heavy metal ions in the flue gas to obtain microalgae biomass. The obtained microalgae biomass can be further transformed into high value-added products, which has broad development prospects. This paper reviews the mechanisms and pathways of CO sequestration, the mechanism and impacts of microalgal emission reduction of flue gas pollutants, and the applications of carbon sequestration in industrial flue gas by microalgae. Finally, this paper provides some guidelines and prospects for the research and application of green emission reduction technology for industrial flue gas.

Address: CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, China; Key Laboratory of Green and High-value Utilization of Salt Lake Resources, Chinese Academy of Sciences, Xining 810008, China.; CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, China; State Key Laboratory of Petroleum Molecular & Process Engineering, Beijing 100083, China.; CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China. Electronic address: [email protected].

DOI: 10.1016/j.jes.2024.04.018

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MeSH Terms: Microalgae, Carbon Sequestration, Air Pollutants, Carbon Dioxide, Biomass