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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received June 24, 2005
Accepted November 4, 2005
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Use of Activate Sludge Model No. 3 and Bio-P module for simulating five-stage step-feed enhanced biological phosphorous removal process

Dept. of Environmental Engineering, Pusan National University, Busan 609-735, Korea 1Korean Intellectual Property Office, Gov., Daejeon 302-701, Korea 2Water Environment & Remediation Center, Korea Institute of Science and Technology, 39-1, Hawolkok-dong, Seongbuk-gu, Seoul 136-791, Korea
cwkim@pusan.ac.kr
Korean Journal of Chemical Engineering, March 2006, 23(2), 203-208(6), 10.1007/BF02705717
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Abstract

The ASM3 with EAWAG Bio-P Module (ASM3+P) was used for simulating a five-stage step-feed En-hanced Biological Phosphorous Removal (fsEBPR) process and its applicability was compared with the ASM2d. ThefsEBPR process was predicted to achieve effective nitrogen and phosphorus removal from the wastewater even withlow C/N and C/P ratios without additional carbon sources. Application of the ASM3+P on this configuration will bean ample chance for expanding the new models in the activated sludge process. Sensitivity analysis and parameter esti-mation were conducted with the ASM2d and the ASM3+P prior to model application so that calibration of the modelscould focus only on the sensitive parameters. The ASM2d was less successful for predicting the process behavior. More-over, the ASM2d required 6 times more computation time than that for the AMS3+P due to its decay-regenerationmodel structure. To confirm the applicability of parameters determined from the pilot-scale reactor operating results,those were tested on the field data without further correction. Only the ASM3+P successfully predicted nitrogen andphosphate variations in the full-scale plants. Overall examination of simulation results using the pilot and full-scaledata has led to the conclusion that the ASM3+P is better than the ASM2d for simulating fsEBPR processes.

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