A novel algal biofilm photobioreactor for efficient hog manure wastewater utilization and treatment

Xiaodan Wu; Qingjing Cen; Min Addy; Hongli Zheng; Shanshan Luo; Yuhuan Liu; Yanling Cheng; Wenguang Zhou; Paul Chen; Roger Ruan

doi:10.1016/j.biortech.2019.121925

A novel algal biofilm photobioreactor for efficient hog manure wastewater utilization and treatment

Xiaodan Wu, Qingjing Cen, Min Addy, Hongli Zheng, Shanshan Luo, Yuhuan Liu, Yanling Cheng, Wenguang Zhou, Paul Chen, Roger Ruan

Bioproducts and Biosystems Engineering

Research output: Contribution to journal › Article › peer-review

42 Scopus citations

Abstract

This study developed a high-efficiency algal biofilm photobioreactor for microalgae by designing a special array of curtain membrane components. This paper also discusses the growth and nutrient composition of Chlorella vulgaris, and hog manure wastewater utilization and purification. It was found that after about 5 days of culture, the biomass of C. vulgaris on the membrane could reach as high as 7.37 g/m² and the algae were easily harvested by mechanical scraping. The lipid content of C. vulgaris on the membrane structure was 10.17% while the lipid content of the algae in suspension was 14.29%. The light intensity showed a significant effect on the fatty acid composition. The C. vulgaris grew very well, and achieved deep purification of the hog manure wastewater; the COD, TP, TN, and NH₄⁺-N removal rates reached 95.67%, 64.40%, 69.55%, and 91.24%, respectively.

Original language	English (US)
Article number	121925
Journal	Bioresource Technology
Volume	292
DOIs	https://doi.org/10.1016/j.biortech.2019.121925
State	Published - Nov 2019

Bibliographical note

Funding Information:
The authors are grateful for financial support of the National Natural Science Foundation of China (Grant No. 21767017 , 21878139 ), of the Youth Project of Jiangxi Provincial Department of Education (Grant No. GJJ160189 ), of the Science and Technology Project of Jiangxi Provincial Department of Science and Technology (Grant No. 20171BBF60024 ), and of the Science and Technology Project of Jiangxi Provincial Department of Education (Grant No. KJLD 12011 ).

Publisher Copyright:
© 2019 Elsevier Ltd

Keywords

Algal biofilm photobioreactor
CO biofixation
Chlorella vulgaris
Hog manure wastewater
Treatment

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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title = "A novel algal biofilm photobioreactor for efficient hog manure wastewater utilization and treatment",

abstract = "This study developed a high-efficiency algal biofilm photobioreactor for microalgae by designing a special array of curtain membrane components. This paper also discusses the growth and nutrient composition of Chlorella vulgaris, and hog manure wastewater utilization and purification. It was found that after about 5 days of culture, the biomass of C. vulgaris on the membrane could reach as high as 7.37 g/m2 and the algae were easily harvested by mechanical scraping. The lipid content of C. vulgaris on the membrane structure was 10.17% while the lipid content of the algae in suspension was 14.29%. The light intensity showed a significant effect on the fatty acid composition. The C. vulgaris grew very well, and achieved deep purification of the hog manure wastewater; the COD, TP, TN, and NH4+-N removal rates reached 95.67%, 64.40%, 69.55%, and 91.24%, respectively.",

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note = "Funding Information: The authors are grateful for financial support of the National Natural Science Foundation of China (Grant No. 21767017 , 21878139 ), of the Youth Project of Jiangxi Provincial Department of Education (Grant No. GJJ160189 ), of the Science and Technology Project of Jiangxi Provincial Department of Science and Technology (Grant No. 20171BBF60024 ), and of the Science and Technology Project of Jiangxi Provincial Department of Education (Grant No. KJLD 12011 ). Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd",

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AU - Liu, Yuhuan

AU - Cheng, Yanling

AU - Zhou, Wenguang

AU - Chen, Paul

AU - Ruan, Roger

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PY - 2019/11

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N2 - This study developed a high-efficiency algal biofilm photobioreactor for microalgae by designing a special array of curtain membrane components. This paper also discusses the growth and nutrient composition of Chlorella vulgaris, and hog manure wastewater utilization and purification. It was found that after about 5 days of culture, the biomass of C. vulgaris on the membrane could reach as high as 7.37 g/m2 and the algae were easily harvested by mechanical scraping. The lipid content of C. vulgaris on the membrane structure was 10.17% while the lipid content of the algae in suspension was 14.29%. The light intensity showed a significant effect on the fatty acid composition. The C. vulgaris grew very well, and achieved deep purification of the hog manure wastewater; the COD, TP, TN, and NH4+-N removal rates reached 95.67%, 64.40%, 69.55%, and 91.24%, respectively.

AB - This study developed a high-efficiency algal biofilm photobioreactor for microalgae by designing a special array of curtain membrane components. This paper also discusses the growth and nutrient composition of Chlorella vulgaris, and hog manure wastewater utilization and purification. It was found that after about 5 days of culture, the biomass of C. vulgaris on the membrane could reach as high as 7.37 g/m2 and the algae were easily harvested by mechanical scraping. The lipid content of C. vulgaris on the membrane structure was 10.17% while the lipid content of the algae in suspension was 14.29%. The light intensity showed a significant effect on the fatty acid composition. The C. vulgaris grew very well, and achieved deep purification of the hog manure wastewater; the COD, TP, TN, and NH4+-N removal rates reached 95.67%, 64.40%, 69.55%, and 91.24%, respectively.

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KW - Treatment

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A novel algal biofilm photobioreactor for efficient hog manure wastewater utilization and treatment

Abstract

Bibliographical note

Keywords

UN SDGs

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