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Related Experiment Video

Updated: Jan 1, 2026

Author Spotlight: Optimization of Processing Technology for Tiebangchui with Zanba Based on CRITIC Combined with Box-Behnken Response Surface Method

Author Spotlight: Optimization of Processing Technology for Tiebangchui with Zanba Based on CRITIC Combined with Box-Behnken Response Surface Method

Published on: May 12, 2023

[Process Control and Operation Optimization of PN-SAD Coupling Process Based on SBR-ABR].

Chong-Jun Chen^1,2,3,4, Min Zhang¹, Ying Jiang¹

¹School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China.

Huan Jing Ke Xue= Huanjing Kexue

|December 20, 2019

Summary

This study optimized a sequencing batch reactor (SBR) and anaerobic baffled reactor (ABR) system for deep nitrogen and carbon removal. Phase 3, with added carbon source, achieved 95% total nitrogen removal, demonstrating the effectiveness of the PN-SAD process.

Keywords:

SBR-ABR anaerobic ammonium oxidation contribution efficiency denitrification nitrogen and carbon removal

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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

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Published on: April 1, 2020

Area of Science:

Environmental Engineering
Wastewater Treatment
Microbial Ecology

Context:

Conventional wastewater treatment struggles with deep nitrogen and carbon removal.
Sequencing batch reactors (SBR) and anaerobic baffled reactors (ABR) are common in wastewater treatment.
Optimizing combined SBR-ABR systems for enhanced nutrient removal is crucial.

Purpose:

To investigate the efficacy of a combined SBR-ABR system for deep nitrogen and carbon removal using the partial nitrification-anaerobic ammonium oxidation combined denitrification (PN-SAD) process.
To evaluate the impact of different operating phases and carbon source addition on treatment efficiency.
To determine optimal conditions for achieving high total nitrogen (TN) removal.

Summary:

The study explored three operating phases of an SBR-ABR system for PN-SAD.
Initial phases showed limited TN removal (<80%).
Phase 3, incorporating an external carbon source into the ABR, significantly improved performance, achieving <6 mg·L⁻¹ TN effluent and 95% TN removal efficiency.

Impact:

The optimized PN-SAD process in the SBR-ABR system demonstrates a viable method for deep nitrogen and carbon removal from wastewater.
Achieving high TN removal efficiency (<6 mg·L⁻¹ effluent) meets stringent environmental discharge standards.
This research provides a basis for designing advanced wastewater treatment systems for enhanced nutrient recovery and pollution control.