Influence of growth phase on the harvesting of Scenedesmus acuminatus using ultrafiltration.

Aquaculture Organic Chemicals / chemistry Scenedesmus / growth & development Ultrafiltration / methods
AOM properties Cellular characteristics Growth phase UF harvesting

Journal

The Science of the total environment
ISSN: 1879-1026
Titre abrégé: Sci Total Environ
Pays: Netherlands
ID NLM: 0330500

Informations de publication

Date de publication:
10 Apr 2019
Historique:
received: 14 11 2018
revised: 03 01 2019
accepted: 03 01 2019
pubmed: 15 1 2019
medline: 8 3 2019
entrez: 15 1 2019
Statut: ppublish

Résumé

Cellular characteristics and algogenic organic matter (AOM) properties change with culture time. This study aims to understand the changes throughout the growth phase, and their effect on Scenedesmus acuminatus harvesting using ultrafiltration. The variations in cellular particle size distribution, cellular EPS content, and the biochemical composition and molecular weight of AOM were analyzed, followed by the membrane harvesting of the original S. acuminatus suspension, AOM-free cells and cell-free AOM. The results showed that the average flux for the original suspension increased with growth phase and reached an increase of 36.3% in the declining phase. AOM played a greater role than S. acuminatus cells in flux decline for all growth phases. Exponential-phase AOM contained a greater high-MW fraction and more carbohydrates, and the exponential cells were smaller cells and had a higher EPS content; these characteristics resulted in a reduced average flux.

Identifiants

DOI: 10.1016/j.scitotenv.2019.01.020 PMID: 30639715
pubmed: 30639715
pii: S0048-9697(19)30020-8
doi: 10.1016/j.scitotenv.2019.01.020
pii:
doi:

Substances chimiques

Organic Chemicals 0

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

25-31

Informations de copyright

Copyright © 2019. Published by Elsevier B.V.

Auteurs

Jing Ye (J)

Center for Microalgal Biotechnology and Biofuels, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; Key Laboratory for Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China.

Jun Sha (J)

Center for Microalgal Biotechnology and Biofuels, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; Key Laboratory for Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; University of Chinese Academy of Sciences, Beijing 100049, China.

Qingling Liu (Q)

Center for Microalgal Biotechnology and Biofuels, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; Key Laboratory for Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China.

Xuezhi Zhang (X)

Center for Microalgal Biotechnology and Biofuels, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; Key Laboratory for Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China. Electronic address: zhangxuezhi@ihb.ac.cn.

Qiang Hu (Q)

Center for Microalgal Biotechnology and Biofuels, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; Key Laboratory for Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; SDIC Microalgae Biotechnology Center, SDIC Biotech Investment Co., LTD., Beijing 100035, China; Beijing Key Laboratory of Algae Biomass, Beijing 100035, China.

Yongsheng Chen (Y)

Center for Microalgal Biotechnology and Biofuels, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; Key Laboratory for Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China; School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA.

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Classifications MeSH

questionsmedicales.fr › Technologie, industrie et agriculture › Agriculture › Aquaculture › Influence of growth phase on the harvesting of...
questionsmedicales.fr › Composés chimiques organiques › Influence of growth phase on the harvesting of...
questionsmedicales.fr › Eucaryotes › Viridiplantae › Chlorophyta › Scenedesmus › Influence of growth phase on the harvesting of...
questionsmedicales.fr › Phénomènes chimiques › Filtration › Ultrafiltration › Influence of growth phase on the harvesting of...