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Updated: May 10, 2026

Continuously-stirred Anaerobic Digester to Convert Organic Wastes into Biogas: System Setup and Basic Operation
Published on: July 13, 2012
[Modeling and dynamic simulation of the multimode anaerobic/anoxic/aerobic wastewater treatment process]
Zhen Zhou1, Zhi-Chao Wu, Zhi-Wei Wang
1College of Environmental and Chemical Engineering, Shanghai University of Electric Power, Shanghai 200090, China. zhouzhen09@yahoo.com.cn
Abstract:
Mathematical modeling is a useful tool for professional education, process development, design evaluation, operational optimization and automatic control of the wastewater treatment system, and has been extensively applied in numerous full-scale wastewater treatment plants. The ASM2d model was calibrated by the process data, and used to simulate 15 operational test runs of the multimode anaerobic/anoxic/aerobic (AAO) process. After calibration, the model was capable of simulating the sludge concentrations and effluent data in 15 test runs of the multimode AAO system. The dynamic simulation results showed an overall good agreement between the measured and simulated data, for both effluent data and sludge concentrations, with a good reproduction of dynamic processes in AO test runs.
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