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Efficient harvesting of marine microalgae Nannochloropsis maritima using magnetic nanoparticles
Hu, Yi-Ru1,2,3; Wang, Feng1,2; Wang, Shi-Kai1,2,3; Liu, Chun-Zhao1,2; Guo, Chen1,2,3
2013-06-01
Source PublicationBIORESOURCE TECHNOLOGY
Volume138Issue:0Pages:387-390
AbstractAn efficient magnetic separation technology using Fe3O4 nanoparticles was developed for harvesting marine microalgae Nannochloropsis maritima from culture broth. Recovery capacity of these nanoparticles was affected by microalgal growth phase and reached the peak value when the microalgal growth reached its maximal biomass after 18 days. The recovery efficiency of microalgal cells from the culture medium reached more than 95% at the particle dosage of 120 mg/L within 4 min. Electrostatic attraction at acidic pH and cell aggregation under neutral and alkaline conditions was beneficial for harvesting the algal cells. Higher operation temperature resulted in higher adsorption capacity of these nanoparticles for microalgawl cells. Reuse of the culture medium obtained from magnetic separation gave similar biomass production in comparison with that from centrifugation separation after 5 recycles. Together with these results provide a great potential in high-efficient and economical harvesting of tiny marine microalgae using magnetic separation technology in practice. (C) 2013 Elsevier Ltd. All rights reserved.
KeywordMicroalgae Harvesting Magnetic Nanoparticles Growth Phase Medium Reusability Nannochloropsis Maritima
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
Indexed BySCI
Language英语
WOS KeywordFLOCCULATION ; SEPARATION ; GROWTH ; BIOMASS
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000320296600052
Citation statistics
Cited Times:88[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13562
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Lab Separat Sci & Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Hu, Yi-Ru,Wang, Feng,Wang, Shi-Kai,et al. Efficient harvesting of marine microalgae Nannochloropsis maritima using magnetic nanoparticles[J]. BIORESOURCE TECHNOLOGY,2013,138(0):387-390.
APA Hu, Yi-Ru,Wang, Feng,Wang, Shi-Kai,Liu, Chun-Zhao,&Guo, Chen.(2013).Efficient harvesting of marine microalgae Nannochloropsis maritima using magnetic nanoparticles.BIORESOURCE TECHNOLOGY,138(0),387-390.
MLA Hu, Yi-Ru,et al."Efficient harvesting of marine microalgae Nannochloropsis maritima using magnetic nanoparticles".BIORESOURCE TECHNOLOGY 138.0(2013):387-390.
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