The combined effect of bacteria and Chlorella vulgaris on the treatment of municipal wastewaters
Abstract
Impacts of Chlorella vulgaris with or without co-existing bacteria on the removal of nitrogen, phosphorus and organic matter from wastewaters were studied by comparing the wastewater treatment effects between an algae-bacteria consortium and a stand-alone algae system. In the algae-bacteria system, C.vulgaris played a dominant role in the removal of nitrogen and phosphorus, while bacteria removed most of the organic matter from the wastewater. When treating unsterilized wastewater, bacteria were found to inhibit the growth of algae at >231 mg/L dissolved organic carbon (DOC). Using the algae-bacteria consortium resulted in the removal of 97% NH4(+), 98% phosphorus and 26% DOC at a total nitrogen (TN) level of 29-174 mg/L. The reaction rate constant (k) values in sterilized and unsterilized wastewaters were 2.17 and 1.92 mg NH4(+)-N/(mg algal cell ·d), respectively.
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Almost 90% of BOD from unsterilized secondary wastewater was reduced by a co-existing C. vulgaris-bacteria system under mixotrophic conditions, whereas no substantial reduction in BOD concentration was recorded for sterile secondary wastewater treated by C. vulgaris alone.
“It was reported that almost 90% of BOD from unsterilized secondary wastewater was reduced by a co-existing C. vulgarisbacteria system under mixotrophic conditions, whereas no substantial reduction in BOD concentration was recorded for sterile secondary wastewater treated by C. vulgaris alone [97].”
From Challenges and Opportunities to Increase Economic Feasibility and Sustainability of Mixotrophic Cultivation of Green Microalgae of the Genus Chlorella (2022) · cites this paper as [97]
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References 26 · Cited by 139
- Authors
- He, P. J., Mao, B., Lü, F., Shao, L. M., Lee, D. J., & Chang, J. S.
- Affiliations
- Tongji University (CN)
- Ministry of Housing and Urban-Rural Development (CN)
- National Taiwan University of Science and Technology (TW)
- National Cheng Kung University Hospital (TW)
- Corresponding author
- He, P.J.
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2013-10
- Volume
- 146
- Pages
- 562-568
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2074076417
- Cited by
- 139
- References
- 26
- Citations by year
- 2026: 5 · 2025: 7 · 2024: 7 · 2023: 10 · 2022: 22 · 2021: 10 · 2020: 19 · 2019: 12 · 2018: 16 · 2017: 9 · 2016: 8 · 2015: 9 · 2014: 5
- FWCI
- 2.66
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Shanghai Subject Chief Scientist Program (10XD1404200)
- National Science Council (NSC 101-3113-P-110-003)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Physical Sciences › Environmental Science › Pollution › Wastewater Treatment and Nitrogen Removal
- Physical Sciences › Environmental Science › Waste Management and Disposal › Wastewater Treatment and Reuse
- Keywords
- Chlorella vulgaris, municipal wastewater treatment, nitrogen removal, phosphorus removal, organic matter removal, ammonium removal, reaction kinetics
- MeSH terms
- Bacteria, Carbon, Cities, Kinetics, Nitrogen, Phosphorus, Regression Analysis, Temperature, Time Factors, Waste Disposal, Fluid, Water Pollutants, Chemical, Water Purification, Chlorella vulgaris, Biological Oxygen Demand Analysis, Microbial Consortia, Wastewater
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