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Selection of optimal flocculant for effective harvesting of the fucoxanthin-rich marine microalga Isochrysis galbana
Wu, Songcui1,2,3; Xie, Xiujun1,2; Huan, Li1,2; Zheng, Zhenbing1,2,3; Zhao, Peipei1,2,3; Kuang, Jixian4; Liu, Xueping5; Wang, Guangce1,2
2016-06-01
Source PublicationJOURNAL OF APPLIED PHYCOLOGY
Volume28Issue:3Pages:1579-1588
SubtypeArticle
AbstractFlocculation harvesting of the fucoxanthin-rich marine microalga Isochrysis galbana has received little attention. Therefore, we attempted to screen for an optimal chemical flocculant and optimize flocculation conditions from five chemical flocculants-ferric chloride (FC), aluminum sulfate (AS), polyaluminum chloride (PAC), aluminum potassium sulfate (APS), and zinc sulfate (ZS)-for effective flocculation of I. galbana. The growth rate, photosynthetic performance, and fucoxanthin content were determined in re-suspended flocculated algal cells and in the flocculation supernatant cultured algal cells. The results showed that high growth rate and fucoxanthin accumulation were observed when FC was used as the flocculant in I. galbana cultures, which indicated that FC may cause less harm to I. galbana than the other aluminum-based flocculants. Furthermore, satisfactory flocculation efficiency was also observed when FC was used to flocculate I. galbana, and the FC dosage was less than that required for flocculation of I. galbana using PAC, APS, and AS. Thus, we selected FC as the optimal flocculant for harvesting I. galbana based on its flocculation efficiency together with algal physiological performance, growth rate, and fucoxanthin content.
KeywordChemical Flocculants Flocculation Microalgae Harvest Fucoxanthin Isochrysis Galbana
DOI10.1007/s10811-015-0716-0
Indexed BySCI
Language英语
WOS IDWOS:000375315100014
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/131056
Collection实验海洋生物学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Nanhai Rd 7, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Nanhai Rd 7, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China
4.Hainan Wanzhou Green Pharmaceut Co Ltd, Haikou 570100, Peoples R China
5.Tsinghua Univ, Grad Sch Shenzhen, Shenzhen 518055, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wu, Songcui,Xie, Xiujun,Huan, Li,et al. Selection of optimal flocculant for effective harvesting of the fucoxanthin-rich marine microalga Isochrysis galbana[J]. JOURNAL OF APPLIED PHYCOLOGY,2016,28(3):1579-1588.
APA Wu, Songcui.,Xie, Xiujun.,Huan, Li.,Zheng, Zhenbing.,Zhao, Peipei.,...&Wang, Guangce.(2016).Selection of optimal flocculant for effective harvesting of the fucoxanthin-rich marine microalga Isochrysis galbana.JOURNAL OF APPLIED PHYCOLOGY,28(3),1579-1588.
MLA Wu, Songcui,et al."Selection of optimal flocculant for effective harvesting of the fucoxanthin-rich marine microalga Isochrysis galbana".JOURNAL OF APPLIED PHYCOLOGY 28.3(2016):1579-1588.
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