Improved growth of bait microalgae Isochrysis and aquacultural wastewater treatment with mixotrophic culture

Ruirui Chu; Jingxue Ma; Chengxu Zhou; Defu Liu; Guangce Wang; Roger Ruan; Yandu Lu; Xiaojun Yan; Pengfei Cheng

doi:10.1007/s00449-021-02681-w

Improved growth of bait microalgae Isochrysis and aquacultural wastewater treatment with mixotrophic culture

Ruirui Chu, Jingxue Ma, Chengxu Zhou, Defu Liu, Guangce Wang, Roger Ruan, Yandu Lu, Xiaojun Yan, Pengfei Cheng

Bioproducts and Biosystems Engineering

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Abstract

This research of mixotrophic microalgae Isochrysis 3011 with glycerol was combined with the treatment of aqua-cultural wastewater, different initial concentrations, and optimized light intensities. The algae growth rate, removal efficiencies of total nitrogen (TN) and total phosphorus (TP) were determined. Results showed that the suitable initial concentration was 0.4 g L⁻¹, and the optimum light intensity was 60 µmol m⁻² s⁻¹. The growth of the mixotrophic group was better than that of the autotrophic culture. The biomass yield of the mixotrophic group with glycerol was 0.17 g L⁻¹ d⁻¹, and the removal rates of TN and TP were 73.39% and 95.61%, respectively. The content of total lipid and total protein in mixotrophic group were higher than the values of the autotrophic group. This indicates that aquaculture wastewater treatment with mixotrophic bait microalgae can obtain superior micro-algal biomass, which is also a potential technology for wastewater utilization and ecological protection.

Original language	English (US)
Pages (from-to)	589-597
Number of pages	9
Journal	Bioprocess and Biosystems Engineering
Volume	45
Issue number	3
DOIs	https://doi.org/10.1007/s00449-021-02681-w
State	Published - Mar 2022

Bibliographical note

Funding Information:
This research was supported in part by grants from the National Key Research and Development Program of China (2018YFD0901504), the National Natural Science Foundation of China (32170369), the State Key Laboratory of Marine Resource Utilization in South China Sea (Hainan University) (MRUKF2021003), the Open Fund of Key Laboratory of Experimental Marine Biology, Chinese Academy of Sciences (KF2019NO3), the Natural Science Foundation of Zhejiang Province (LY20D060003), the Fundamental Research Funds for the Provincial Universities (SJLY2020007), Ningbo Science and Technology Research Projects, China (2019C10023), the General Research Project of Zhejiang Provincial Department of Education (Y202045551), the Scientific Research Foundation of Graduate School of Ningbo University (IF2021081), and the Ningbo Municipal Science and Technology Project (2019C10071).

Publisher Copyright:
© 2022, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

Keywords

Aquaculture wastewater
Bait microalgae
Mixotrophy
Phototrophy
Removal efficiency

PubMed: MeSH publication types

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10.1007/s00449-021-02681-w

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title = "Improved growth of bait microalgae Isochrysis and aquacultural wastewater treatment with mixotrophic culture",

abstract = "This research of mixotrophic microalgae Isochrysis 3011 with glycerol was combined with the treatment of aqua-cultural wastewater, different initial concentrations, and optimized light intensities. The algae growth rate, removal efficiencies of total nitrogen (TN) and total phosphorus (TP) were determined. Results showed that the suitable initial concentration was 0.4 g L−1, and the optimum light intensity was 60 µmol m−2 s−1. The growth of the mixotrophic group was better than that of the autotrophic culture. The biomass yield of the mixotrophic group with glycerol was 0.17 g L−1 d−1, and the removal rates of TN and TP were 73.39% and 95.61%, respectively. The content of total lipid and total protein in mixotrophic group were higher than the values of the autotrophic group. This indicates that aquaculture wastewater treatment with mixotrophic bait microalgae can obtain superior micro-algal biomass, which is also a potential technology for wastewater utilization and ecological protection.",

keywords = "Aquaculture wastewater, Bait microalgae, Mixotrophy, Phototrophy, Removal efficiency",

author = "Ruirui Chu and Jingxue Ma and Chengxu Zhou and Defu Liu and Guangce Wang and Roger Ruan and Yandu Lu and Xiaojun Yan and Pengfei Cheng",

note = "Funding Information: This research was supported in part by grants from the National Key Research and Development Program of China (2018YFD0901504), the National Natural Science Foundation of China (32170369), the State Key Laboratory of Marine Resource Utilization in South China Sea (Hainan University) (MRUKF2021003), the Open Fund of Key Laboratory of Experimental Marine Biology, Chinese Academy of Sciences (KF2019NO3), the Natural Science Foundation of Zhejiang Province (LY20D060003), the Fundamental Research Funds for the Provincial Universities (SJLY2020007), Ningbo Science and Technology Research Projects, China (2019C10023), the General Research Project of Zhejiang Provincial Department of Education (Y202045551), the Scientific Research Foundation of Graduate School of Ningbo University (IF2021081), and the Ningbo Municipal Science and Technology Project (2019C10071). Publisher Copyright: {\textcopyright} 2022, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.",

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doi = "10.1007/s00449-021-02681-w",

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T1 - Improved growth of bait microalgae Isochrysis and aquacultural wastewater treatment with mixotrophic culture

AU - Chu, Ruirui

AU - Ma, Jingxue

AU - Zhou, Chengxu

AU - Liu, Defu

AU - Wang, Guangce

AU - Ruan, Roger

AU - Lu, Yandu

AU - Yan, Xiaojun

AU - Cheng, Pengfei

N1 - Funding Information: This research was supported in part by grants from the National Key Research and Development Program of China (2018YFD0901504), the National Natural Science Foundation of China (32170369), the State Key Laboratory of Marine Resource Utilization in South China Sea (Hainan University) (MRUKF2021003), the Open Fund of Key Laboratory of Experimental Marine Biology, Chinese Academy of Sciences (KF2019NO3), the Natural Science Foundation of Zhejiang Province (LY20D060003), the Fundamental Research Funds for the Provincial Universities (SJLY2020007), Ningbo Science and Technology Research Projects, China (2019C10023), the General Research Project of Zhejiang Provincial Department of Education (Y202045551), the Scientific Research Foundation of Graduate School of Ningbo University (IF2021081), and the Ningbo Municipal Science and Technology Project (2019C10071). Publisher Copyright: © 2022, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

PY - 2022/3

Y1 - 2022/3

N2 - This research of mixotrophic microalgae Isochrysis 3011 with glycerol was combined with the treatment of aqua-cultural wastewater, different initial concentrations, and optimized light intensities. The algae growth rate, removal efficiencies of total nitrogen (TN) and total phosphorus (TP) were determined. Results showed that the suitable initial concentration was 0.4 g L−1, and the optimum light intensity was 60 µmol m−2 s−1. The growth of the mixotrophic group was better than that of the autotrophic culture. The biomass yield of the mixotrophic group with glycerol was 0.17 g L−1 d−1, and the removal rates of TN and TP were 73.39% and 95.61%, respectively. The content of total lipid and total protein in mixotrophic group were higher than the values of the autotrophic group. This indicates that aquaculture wastewater treatment with mixotrophic bait microalgae can obtain superior micro-algal biomass, which is also a potential technology for wastewater utilization and ecological protection.

AB - This research of mixotrophic microalgae Isochrysis 3011 with glycerol was combined with the treatment of aqua-cultural wastewater, different initial concentrations, and optimized light intensities. The algae growth rate, removal efficiencies of total nitrogen (TN) and total phosphorus (TP) were determined. Results showed that the suitable initial concentration was 0.4 g L−1, and the optimum light intensity was 60 µmol m−2 s−1. The growth of the mixotrophic group was better than that of the autotrophic culture. The biomass yield of the mixotrophic group with glycerol was 0.17 g L−1 d−1, and the removal rates of TN and TP were 73.39% and 95.61%, respectively. The content of total lipid and total protein in mixotrophic group were higher than the values of the autotrophic group. This indicates that aquaculture wastewater treatment with mixotrophic bait microalgae can obtain superior micro-algal biomass, which is also a potential technology for wastewater utilization and ecological protection.

KW - Aquaculture wastewater

KW - Bait microalgae

KW - Mixotrophy

KW - Phototrophy

KW - Removal efficiency

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SN - 1615-7591

VL - 45

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EP - 597

JO - Bioprocess and Biosystems Engineering

JF - Bioprocess and Biosystems Engineering

IS - 3

ER -

Improved growth of bait microalgae Isochrysis and aquacultural wastewater treatment with mixotrophic culture

Abstract

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Keywords

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