Microalgae cultivation with recycled harvesting water achieved economic and sustainable production of biomass and lipid : Feasibility assessment and inhibitory factors analysis
Copyright © 2023 Elsevier Ltd. All rights reserved..
This study was conducted to achieve economic and sustainable production of biomass and lipids from Chlorella sorokiniana by recirculating cultivation with recycled harvesting water, to identify the major inhibitory factors in recirculating culture, and to analyze accordingly economic benefits. The results showed that recirculating microalgae cultivation (RMC) could obtain 0.20-0.32 g/L biomass and lipid content increased by 23.1 %-38.5 %. Correlation analysis showed that the extracellular polysaccharide (PSext), chemical oxygen demand (COD) and chromaticity of recirculating water inhibited photosynthesis and induced oxidative stress, thus inhibiting the growth of C. sorokiniana. In addition, the economic benefits analysis found that circulating the medium twice could save about 30 % of production cost, which is the most economical RMC solution. In conclusion, this study verified the feasibility and economy of RMC, and provided a better understanding of inhibitory factors identification in culture.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:394 |
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| Enthalten in: |
Bioresource technology - 394(2024) vom: 15. Feb., Seite 130276 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gao, Xinxin [VerfasserIn] |
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| Links: |
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| Themen: |
059QF0KO0R |
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| Anmerkungen: |
Date Completed 05.02.2024 Date Revised 05.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.biortech.2023.130276 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a This study was conducted to achieve economic and sustainable production of biomass and lipids from Chlorella sorokiniana by recirculating cultivation with recycled harvesting water, to identify the major inhibitory factors in recirculating culture, and to analyze accordingly economic benefits. The results showed that recirculating microalgae cultivation (RMC) could obtain 0.20-0.32 g/L biomass and lipid content increased by 23.1 %-38.5 %. Correlation analysis showed that the extracellular polysaccharide (PSext), chemical oxygen demand (COD) and chromaticity of recirculating water inhibited photosynthesis and induced oxidative stress, thus inhibiting the growth of C. sorokiniana. In addition, the economic benefits analysis found that circulating the medium twice could save about 30 % of production cost, which is the most economical RMC solution. In conclusion, this study verified the feasibility and economy of RMC, and provided a better understanding of inhibitory factors identification in culture | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Economic benefits analysis | |
| 650 | 4 | |a Inhibitory factors | |
| 650 | 4 | |a Lipid production | |
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| 700 | 1 | |a Li, Zhuo |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Chaoqi |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Liandong |e verfasserin |4 aut | |
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