Volume 5 Issue 3
Sep.  2012
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Ya-jing SONG, Yue-bo XIE, Doddi YUDIANTO. 2012: Extended activated sludge model no. 1 (ASM1) for simulating biodegradation process using bacterial technology. Water Science and Engineering, 5(3): 278-290. doi: 10.3882/j.issn.1674-2370.2012.03.004
Citation: Ya-jing SONG, Yue-bo XIE, Doddi YUDIANTO. 2012: Extended activated sludge model no. 1 (ASM1) for simulating biodegradation process using bacterial technology. Water Science and Engineering, 5(3): 278-290. doi: 10.3882/j.issn.1674-2370.2012.03.004

Extended activated sludge model no. 1 (ASM1) for simulating biodegradation process using bacterial technology

doi: 10.3882/j.issn.1674-2370.2012.03.004
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  • Corresponding author: Ya-jing SONG
  • Received Date: 2011-05-20
  • Rev Recd Date: 2011-12-13
  • Phosphorus is one of the most important nutrients required to support various kinds of biodegradation processes. As this particular nutrient is not included in the activated sludge model no. 1 (ASM1), this study extended this model in order to determine the fate of phosphorus during the biodegradation processes. When some of the kinetics parameters are modified using observed data from the restoration project of the Xuxi River in Wuxi City, China, from August 25 to 31 in 2009, the extended model shows excellent results. In order to obtain optimum values of coefficients of nitrogen and phosphorus, the mass fraction method was used to ensure that the final results were reasonable and practically relevant. The temporal distribution of the data calculated with the extended ASM1 approximates that of the observed data.


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