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Bio-regeneration of different rich CO2 absorption solvent via microalgae cultivation.
Bioresour Technol 2019; 290:121781BT

Abstract

As one of the most mature carbon capture technologies, thermal regeneration of rich CO2 absorption solvent is a crucial challenge due to its high energy consumption (typically in the range of 3-6 MJ/kg CO2). In this work, a concept of bio-regeneration was proposed using microalgae to convert bicarbonate (which is one of the dominant components in rich solution) into value-added biomass. To evaluate the performance of bio-regeneration, different rich solution (including NH4HCO3, KHCO3 and NaHCO3) were investigated. Experimental results indicated that NH4HCO3 could be a promising bicarbonate carrier for the proposed absorption-microalgae hybrid process, which had a higher biomass productivity (55.36 mg·L-1·d-1) compared to KHCO3 and NaHCO3 and carbon sequestration capacity could be up to 158.3 mg·L-1·d-1. Meanwhile, pH adjustment was an effective approach to further intensify the performance of hybrid process. As a result, bio-regeneration of solvents could be a promising alternative to the conventional thermal regeneration.

Authors+Show Affiliations

Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China; Key Laboratory of Efficient Utilization of Low and Medium Grade Energy (Tianjin University), Ministry of Education, Tianjin 300072, China. Electronic address: chunfeng.song@tju.edu.cn.Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China.Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China.Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China.Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China.Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China.State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China.Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 3058572, Japan.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31319210

Citation

Song, Chunfeng, et al. "Bio-regeneration of Different Rich CO2 Absorption Solvent Via Microalgae Cultivation." Bioresource Technology, vol. 290, 2019, p. 121781.
Song C, Liu J, Qiu Y, et al. Bio-regeneration of different rich CO2 absorption solvent via microalgae cultivation. Bioresour Technol. 2019;290:121781.
Song, C., Liu, J., Qiu, Y., Xie, M., Sun, J., Qi, Y., ... Kitamura, Y. (2019). Bio-regeneration of different rich CO2 absorption solvent via microalgae cultivation. Bioresource Technology, 290, p. 121781. doi:10.1016/j.biortech.2019.121781.
Song C, et al. Bio-regeneration of Different Rich CO2 Absorption Solvent Via Microalgae Cultivation. Bioresour Technol. 2019;290:121781. PubMed PMID: 31319210.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Bio-regeneration of different rich CO2 absorption solvent via microalgae cultivation. AU - Song,Chunfeng, AU - Liu,Jie, AU - Qiu,Yiting, AU - Xie,Meilian, AU - Sun,Jiasi, AU - Qi,Yun, AU - Li,Shuhong, AU - Kitamura,Yutaka, Y1 - 2019/07/10/ PY - 2019/05/02/received PY - 2019/07/04/revised PY - 2019/07/06/accepted PY - 2019/7/19/pubmed PY - 2019/7/19/medline PY - 2019/7/19/entrez KW - Absorption KW - Bicarbonate KW - Chlorella sp. KW - Hybrid CO(2) capture KW - Microalgae SP - 121781 EP - 121781 JF - Bioresource technology JO - Bioresour. Technol. VL - 290 N2 - As one of the most mature carbon capture technologies, thermal regeneration of rich CO2 absorption solvent is a crucial challenge due to its high energy consumption (typically in the range of 3-6 MJ/kg CO2). In this work, a concept of bio-regeneration was proposed using microalgae to convert bicarbonate (which is one of the dominant components in rich solution) into value-added biomass. To evaluate the performance of bio-regeneration, different rich solution (including NH4HCO3, KHCO3 and NaHCO3) were investigated. Experimental results indicated that NH4HCO3 could be a promising bicarbonate carrier for the proposed absorption-microalgae hybrid process, which had a higher biomass productivity (55.36 mg·L-1·d-1) compared to KHCO3 and NaHCO3 and carbon sequestration capacity could be up to 158.3 mg·L-1·d-1. Meanwhile, pH adjustment was an effective approach to further intensify the performance of hybrid process. As a result, bio-regeneration of solvents could be a promising alternative to the conventional thermal regeneration. SN - 1873-2976 UR - https://www.unboundmedicine.com/medline/citation/31319210/Bio-regeneration_of_different_rich_CO2_absorption_solvent_via_microalgae_cultivation L2 - https://linkinghub.elsevier.com/retrieve/pii/S0960-8524(19)31011-9 DB - PRIME DP - Unbound Medicine ER -