Integrated ecological floating bed treating wastewater treatment plant effluents: effects of influent nitrogen forms and sediments

Jinwei Dai, Shengbing He, Weili Zhou, Jungchen Huang, Sheng Chen, Xinhua Zeng

研究成果: Article同行評審

11 引文 斯高帕斯(Scopus)

摘要

In recent years, the treatment of wastewater treatment plant (WWTP) effluent has gained increasing attention. However, researches on the relationships between nitrogen forms and nitrogen removal efficiency are very limited. Based on the fact that the nitrogen forms in the WWTP effluent may vary as the season changes, the nitrogen removal efficiencies of an integrated ecological floating bed (IEFB) was studied under different influent nitrogen forms. In addition, the effects of sediments in the system were also quantified during the experiment. Results showed that the total nitrogen (TN) removal rates of the IEFB were 25.61 ± 5.72% and 60.03 ± 7.00%, respectively, when the main influent nitrogen forms are nitrate and ammonia. The sediments in the system also played vital roles in the removal processes: when the sediments were covered with a polyethylene membrane, the total nitrogen (TN) removal rate of the system dropped from 27.86 ± 5.53% to 14.78 ± 4.97%, and the total phosphorus (TP), from 58.77 ± 6.20% to 33.51 ± 25.52%.

原文English
頁(從 - 到)18793-18801
頁數9
期刊Environmental Science and Pollution Research
25
發行號19
DOIs
出版狀態Published - 2018 7月 1

All Science Journal Classification (ASJC) codes

  • 環境化學
  • 污染
  • 健康、毒理學和誘變

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