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

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

Research output: Contribution to journalArticle

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 languageEnglish (US)
Article number121925
JournalBioresource Technology
Volume292
DOIs
StatePublished - Nov 1 2019

Fingerprint

Photobioreactors
Waste utilization
Manures
Biofilms
Algae
Lipids
Purification
biofilm
manure
Wastewater
membrane
Membranes
wastewater
Membrane structures
purification
lipid
Chemical analysis
alga
Fatty acids
Nutrients

Keywords

  • Algal biofilm photobioreactor
  • CO biofixation
  • Chlorella vulgaris
  • Hog manure wastewater
  • Treatment

PubMed: MeSH publication types

  • Journal Article

Cite this

A novel algal biofilm photobioreactor for efficient hog manure wastewater utilization and treatment. / Wu, Xiaodan; Cen, Qingjing; Addy, Min M; Zheng, Hongli; Luo, Shanshan; Liu, Yuhuan; Cheng, Yanling; Zhou, Wenguang; Chen, Paul L; Ruan, R. R.

In: Bioresource Technology, Vol. 292, 121925, 01.11.2019.

Research output: Contribution to journalArticle

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AU - Cen, Qingjing

AU - Addy, Min M

AU - Zheng, Hongli

AU - Luo, Shanshan

AU - Liu, Yuhuan

AU - Cheng, Yanling

AU - Zhou, Wenguang

AU - Chen, Paul L

AU - Ruan, R. R

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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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