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Intercross real-time control strategy in alternating activated sludge process for short-cut biological nitrogen removal treating domestic wastewater |
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| Authors: | WANG Shuying ZHANG Shanfeng PENG chengyao and AKIO TAKIGAWA |
| Institution: | 1. Key laboratory of Beijing water quality science and water environment recovery engineering, Beijing University of Technology, Beijing 100022, China 2. Key laboratory of Beijing water quality science and water environment recovery engineering, Beijing University of Technology, Beijing 100022, China;Beijing Municipal Engineering Professional Design Institute Co. Ltd., Beijing 10037, China 3. Department of Civil and Environmental Engineering, Maebashi Institute of Technology 460-1, Kamisatory-cho, Maebashi, Gunma, 371-0816, Japan |
| Abstract: | To develop technically feasible and economically favorable dynamic process control(DPC)strategies for an alternating activated sludge(AAS)system,a bench-scale continuous-flow alternating aerobic and anoxic reactor,performing short-cut nitrogen removal from real domestic wastewater was operated under different control strategies for more than five months.A fixed-time control(FTC) study showed that bending-points on pH and oxidation-reduction potential(ORP)profiles accurately coincided with the major biolo... |
| Keywords: | alternating activated sludge process continuous-flow real-time control nitrification |
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