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Utilisation of tris(hydroxymethyl)aminomethane as a gas carrier in microalgal cultivation to enhance CO2 utilisation and biomass production
Sun, Zhong-Liang1,2; Xue, Sheng-Zhang1; Yan, Cheng-hu1; Cong, Wei1; Kong, De-Zhu3
2016
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume6Issue:4Pages:2703-2711
AbstractCO2 supplementation is usually a limiting factor in microalgal culture systems, especially when flue gases are used as the carbon source. In this study, tris(hydroxymethyl) aminomethane (THAM) was applied as a gas carrier to increase CO2 storage capacity in the culture medium and enhance microalgal biomass production. Abiotic experiments showed that the amount of CO2 absorbed by the medium within the same absorption time increased with increasing THAM concentration, and the gas absorptivity maintained a higher level (> 60%) under the neutral pH conditions. Cell growth in shaker flasks illustrated that the biomass productivities of Scenedesmus dimorphus were significantly improved (31 to 66%) when the medium contained 2-8 mmol L-1 THAM. Meanwhile, THAM was not biodegraded during the cultivation. The biomass productivities achieved with 6 mmol L-1 THAM were much higher (32 to 33%) than that with routine culture when it was applied into an open raceway reactor system (2 m(2)), and the CO2 utilisation efficiency also increased by 6 to 12%. The results show that the addition of THAM as a gas carrier for enhancing CO2 input could be an easy-to-use and cost-effective approach for mass cultivation of microalgae.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ra15391c
Indexed BySCI
Language英语
WOS KeywordALGA SCENEDESMUS SP ; CARBON-DIOXIDE ; INORGANIC CARBON ; ACID-COMPOSITION ; FLUE-GASES ; GROWTH ; MITIGATION ; BIODIESEL ; FIXATION ; OUTDOOR
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNational High Technology Research and Development Program of China(863 Program: 2014AA022002)
WOS IDWOS:000368193500021
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20264
Collection生化工程国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Yantai Univ, Coll Life Sci, Dept Biol Engn, Yantai 264005, Shandong, Peoples R China
3.Elion Resources Grp, Inner Mongolia 017001, Peoples R China
Recommended Citation
GB/T 7714
Sun, Zhong-Liang,Xue, Sheng-Zhang,Yan, Cheng-hu,et al. Utilisation of tris(hydroxymethyl)aminomethane as a gas carrier in microalgal cultivation to enhance CO2 utilisation and biomass production[J]. RSC ADVANCES,2016,6(4):2703-2711.
APA Sun, Zhong-Liang,Xue, Sheng-Zhang,Yan, Cheng-hu,Cong, Wei,&Kong, De-Zhu.(2016).Utilisation of tris(hydroxymethyl)aminomethane as a gas carrier in microalgal cultivation to enhance CO2 utilisation and biomass production.RSC ADVANCES,6(4),2703-2711.
MLA Sun, Zhong-Liang,et al."Utilisation of tris(hydroxymethyl)aminomethane as a gas carrier in microalgal cultivation to enhance CO2 utilisation and biomass production".RSC ADVANCES 6.4(2016):2703-2711.
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