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Updated: Mar 21, 2026
08:13
A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities
Published on: December 25, 2015
17.9K
Nitrification and denitrifying phosphorus removal in an upright continuous flow reactor
Maryam Reza1, Manuel Alvarez Cuenca2
1Chemical Engineering Department, University of Waterloo, 200 University Ave W, Waterloo, ON, Canada N2L 3G1
Summary
This study achieved high nitrogen and phosphorus removal using a novel bioreactor system. Unknown Saprospiraceae bacteria likely drove the simultaneous nitrification and denitrifying phosphorus removal process.
Area of Science:
- Environmental microbiology
- Wastewater treatment technologies
Background:
- Simultaneous nitrification and denitrifying phosphorus removal is crucial for effective wastewater treatment.
- Conventional methods often struggle with complete nutrient removal.
Purpose of the Study:
- To investigate the efficacy of a single-sludge continuous flow bioreactor for simultaneous nutrient removal.
- To identify microbial communities responsible for nutrient removal.
Main Methods:
- Operation of an upright bioreactor coupled with a biomass fermenter (BF) for over 350 days.
- Analysis of nutrient removal efficiencies and microbial populations.
Main Results:
- Achieved high removal efficiencies: 95% for nitrogen and over 90% for phosphorus.
- Identified potential role of Saprospiraceae bacteria in nutrient removal.
- Demonstrated advantages over sequencing batch reactors and activated sludge processes.
Conclusions:
- The developed bioreactor system effectively removes nitrogen and phosphorus simultaneously.
- Saprospiraceae bacteria are potential key players in this advanced nutrient removal process.
- This technology offers a promising alternative for enhanced wastewater treatment.
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