标题: Microalgae cultivation with recycled harvesting water achieved economic and sustainable production of biomass and lipid: Feasibility assessment and inhibitory factors analysis

作者: Gao, XX (Gao, Xinxin); Wu, QR (Wu, Qirui); Tang, CM (Tang, Chunming); Li, SX (Li, Shuangxi); Li, Z (Li, Zhuo); Chen, CQ (Chen, Chaoqi); Zhu, LD (Zhu, Liandong)

来源出版物: BIORESOURCE TECHNOLOGY 卷: 394 文献号: 130276 DOI: 10.1016/j.biortech.2023.130276 提前访问日期: JAN 2024

摘要: 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.

作者关键词: Microalgae; Recirculating cultivation; Lipid production; Inhibitory factors; Economic benefits analysis

地址: [Gao, Xinxin; Wu, Qirui; Tang, Chunming; Li, Shuangxi; Li, Zhuo; Chen, Chaoqi; Zhu, Liandong] Wuhan Univ, Sch Resource & Environm Sci, Hubei Key Lab Biomass Resources Chem & Environm Bi, Wuhan 430079, Peoples R China.

[Gao, Xinxin; Wu, Qirui; Tang, Chunming; Li, Shuangxi; Li, Zhuo; Chen, Chaoqi; Zhu, Liandong] Wuhan Univ, Hubei Int Sci & Technol Cooperat Base Sustainable, Wuhan 430079, Peoples R China.

[Zhu, Liandong] Wuhan Univ, State Key Lab Water Resources Engn & Management, Wuhan, Hubei 430072, Peoples R China.

通讯作者地址: Zhu, LD (通讯作者)，Wuhan Univ, Sch Resource & Environm Sci, Hubei Key Lab Biomass Resources Chem & Environm Bi, Wuhan 430079, Peoples R China.

Zhu, LD (通讯作者)，Wuhan Univ, Hubei Int Sci & Technol Cooperat Base Sustainable, Wuhan 430079, Peoples R China.

电子邮件地址: ldzhu@whu.edu.cn

影响因子：11.4