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Microporous Diaphragm Aerator Improves Flue Gas CO2 Dissolution and Photosynthetic Characteristics of Arthrospira Cells in 660 m(2) Raceway Ponds
Song, Yanmei1; Cheng, Jun1; Guo, Wangbiao1; Liu, Shuzheng1; Zhang, Litao2; Kumar, Santosh1; Ali, Kubar Ameer1
2020-08-10
Source PublicationACS SUSTAINABLE CHEMISTRY & ENGINEERING
ISSN2168-0485
Volume8Issue:31Pages:11558-11568
AbstractThe flue gas CO2 from coal chemical plants can be purified and then absorbed by microalgae to produce high valued products and achieve CO2 emission reduction. The dissolution of CO2 from coal chemical flue gas was strengthened using microporous diaphragm aerators (MDA) to promote the HCO3- concentration for improving photosynthetic characteristics of Arthrospira cells in 660 m(2) raceway ponds with 2.5-10 vol % CO2 gas. An increase in the quantum yield of the photosynthetic electron transfer of Arthrospira cells promoted biomass growth by 15.5% in the MDA-equipped raceway pond. The specific energy fluxes of light absorption (ABS/RC) and electron transport (ET0/RC) in Arthrospira cells at 23 h first increased to peaks of 3113 and 757, respectively, when the CO2 concentration increased from 0.04% (air) to 7.5 vol %, and then both values decreased when the CO2 concentration further increased to 10 vol %. Accordingly, the photosystem II (PSII) reaction center quantity and the driving force per excited cross-section reached peaks of 628 and 2.72, respectively, at 7.5 vol % CO2. Therefore, the Arthrospira carotenoid yield increased by 25% and peaked when the CO2 concentration increased from 0.04% (air) to 7.5 vol %. This could provide guidance for engineering demonstration of large-scale microalgae cultivation.
Keywordmicroalgae electron transfer reaction centers OJIP transients CO2 biofixation
DOI10.1021/acssuschemeng.0c02714
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program, China[2016YFB0601003]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Green & Sustainable Science & Technology ; Engineering, Chemical
WOS IDWOS:000562123100009
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/168334
Collection实验海洋生物学重点实验室
Corresponding AuthorCheng, Jun
Affiliation1.Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Song, Yanmei,Cheng, Jun,Guo, Wangbiao,et al. Microporous Diaphragm Aerator Improves Flue Gas CO2 Dissolution and Photosynthetic Characteristics of Arthrospira Cells in 660 m(2) Raceway Ponds[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2020,8(31):11558-11568.
APA Song, Yanmei.,Cheng, Jun.,Guo, Wangbiao.,Liu, Shuzheng.,Zhang, Litao.,...&Ali, Kubar Ameer.(2020).Microporous Diaphragm Aerator Improves Flue Gas CO2 Dissolution and Photosynthetic Characteristics of Arthrospira Cells in 660 m(2) Raceway Ponds.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,8(31),11558-11568.
MLA Song, Yanmei,et al."Microporous Diaphragm Aerator Improves Flue Gas CO2 Dissolution and Photosynthetic Characteristics of Arthrospira Cells in 660 m(2) Raceway Ponds".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 8.31(2020):11558-11568.
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