Volume 7 Issue 2
Mar.  2017
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Article Navigation >  Journal of Environmental Engineering Technology  > 2017  >  7(2): 146-151
YAN Bingfei, PENG Jianfeng, CHENG Jianguang, SONG Yonghui, LI Bin. Effects of temperature on purification of polluted river water by VFW-DP systems[J]. Journal of Environmental Engineering Technology, 2017, 7(2): 146-151. doi: 10.3969/j.issn.1674-991X.2017.02.022
Citation: YAN Bingfei, PENG Jianfeng, CHENG Jianguang, SONG Yonghui, LI Bin. Effects of temperature on purification of polluted river water by VFW-DP systems[J]. Journal of Environmental Engineering Technology, 2017, 7(2): 146-151. doi: 10.3969/j.issn.1674-991X.2017.02.022
shu

Effects of temperature on purification of polluted river water by VFW-DP systems

doi: 10.3969/j.issn.1674-991X.2017.02.022
  • 1.

    College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China

  • 2.

    Department of Urban Water Environmental Research, Chinese Research Academy of Environmental Sciences, Beijing 100012, China

  • 3.

    State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China

More Information
  • Corresponding author: Jianfeng PENG E-mail: pjf1995@163.com
  • Received Date: 2016-06-27
  • Publish Date: 2017-03-20
    Abstract
  • The combined process of vertical flow constructed wetland-detention pond (VFW-DP) was constructed to treat simulated contaminated river water. The effect of temperature on CODCr and nutrient removal and influent modes were investigated. The results indicated that the combined process of VFW-DP can effectively remove CODCr, $NH_{4}^{+}$-N and TP, and the average removal rate of CODCr, $NH_{4}^{+}$-N and TP are higher than 47.9%, 60.0% and 27.5%, respectively. At initial operating stage (medium temperature period), the removal rate of downward vertical flow constructed wetland-detention pond (DVFW-DP) for CODCr, $NH_{4}^{+}$-N and TP are 61.7%, 77.1% and 19.9%, respectively, and the removal rate of upward vertical flow constructed wetland-detention pond (UVFW-DP) are 29.5%, 53.5% and 35.9%, respectively, thus the down-flow influent mode is more beneficial to removal pollutants. Temperature can significantly affect the removal of pollutants; at high temperature period, the effect of pollutants removal is significantly better than that at medium temperature and low temperature period.

     

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