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| Modeling Analysis of Denitrification Dynamics in a Vertical Flow Constructed Wetland |
| Received:December 29, 2014 |
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| KeyWord:vertical flow constructed wetland;nitrogen removal;ecological kinetic model;prediction |
| Author Name | Affiliation | E-mail | | LI Ya-jing | Department of Environmental Science and Engineering, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China | | | ZHU Wen-ling | Guangzhou Water Authority, Guangzhou 510640, China | | | HUANG Zhu-jian | Department of Environmental Science and Engineering, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China | | | LI Zhi-fen | Department of Environmental Science and Engineering, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China | | | CUI Li-hua | Department of Environmental Science and Engineering, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China | lihcui@scau.edu.cn |
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| Abstract: |
| Based on our experimental effluent data and the VFCW system dynamics, a STELLA model was developed to analyze the nitrification and denitrification processes. Results showed that the STELLA model had a poor prediction on the removal of organic nitrogen, but a better simulation on NO3--N, NH4+-N and TN removals. This study suggests that the STELLA model developed can be used to predict the nitrogen removal in a VFCW system under normal operational conditions, and therefore provides a theoretical basis to predict the effluent quality in the VFCW system. |
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