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Enhancing sequencing batch reactors for efficient wastewater treatment across diverse applications: A comprehensive
Syed Shuja Askari1, Balendu Shekher Giri2, Farrukh Basheer3
1Department of Civil Engineering, Integral University, Lucknow, 226026, India.
Environmental Research
|July 21, 2024
Summary
This review highlights advancements in sequencing batch reactors (SBRs) and hybrid systems for wastewater treatment. These adaptable systems show promise for efficient pollutant and nutrient removal, with hybrid photocatalytic SBRs tackling persistent contaminants.
Area of Science:
- Environmental Science & Engineering
- Chemical Engineering
- Microbiology
Background:
- Sequencing batch reactors (SBRs) and hybrid systems are crucial for wastewater treatment due to their adaptability to diverse influent compositions.
- Recent advancements focus on integrating technologies like photocatalysis to enhance pollutant removal efficiency.
Purpose of the Study:
- To review recent progress in SBRs and hybrid systems for wastewater treatment.
- To analyze operational parameters, reactor designs, and microbial influences on system performance.
- To identify research gaps and future directions for optimizing these technologies.
Main Methods:
- Extensive literature analysis of research published from 1985 to 2024.
- Review of studies on sequencing batch biofilm reactors (SBBRs) and anaerobic-aerobic-anoxic SBRs (AOA-SBRs).
- Analysis of hybrid systems, including photocatalytic SBRs (PSBRs), and their application of advanced oxidation processes.
Main Results:
- SBBRs show high efficiency in removing Chemical Oxygen Demand (COD), nitrogen, and phosphorus.
- AOA-SBRs provide effective strategies for nutrient removal.
- PSBRs demonstrate potential for degrading persistent pollutants like antibiotics and phenols.
Conclusions:
- SBRs and hybrid systems offer adaptable and effective wastewater treatment solutions.
- Further research is needed on comparative studies, long-term performance, environmental variability, and economic viability.
- Optimizing synergies, economics, and stability is key for sustainable and scalable wastewater treatment.
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