NDLI: Performance evaluation of horizontal flow constructed wetlands as primary and secondary treatment for university campus wastewater

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Performance evaluation of horizontal flow constructed wetlands as primary and secondary treatment for university campus wastewater

Content Provider	Scilit
Author	Tan, Yee Yong Tang, Fu Ee Ho, Carrie Lee Ing Wong, Madeline Shu Zhen
Copyright Year	2020
Description	Journal: Iop Conference Series: Materials Science and Engineering Horizontal flow constructed wetland (HFCW) is an attractive green technology for wastewater treatment. In the present study, four laboratory-scale HFCWs were constructed to serve as the primary and secondary treatment of university campus wastewater. The effect of hydraulic residence time (HRT) and pre-aeration of influent were investigated. The experimental results demonstrated that the wetland vegetation played an important role in the oxygen restoration and the influence of pre-aeration was minor. In the primary treatment, effective removals of TSS and $NH_{4}$-N were observed. However, the treatment of BOD and $NO_{3}$-N were insignificant due to the low influent concentrations. As for secondary treatment, the HFCWs effectively reduced the concentrations of BOD, $NH_{4}$-N, and $NO_{3}$-N in the effluent from the Intermittent Decanted Extended Aeration (IDEA) plant. The effluent quality of all HFCWs complied with the Standard A sewage discharge. Longer HRTs brought a positive effect to the removals of organic matter and nitrogen.
Related Links	https://iopscience.iop.org/article/10.1088/1757-899X/943/1/012027/pdf
ISSN	17578981
e-ISSN	1757899X
DOI	10.1088/1757-899x/943/1/012027
Journal	Iop Conference Series: Materials Science and Engineering
Issue Number	1
Volume Number	943
Language	English
Publisher	IOP Publishing
Publisher Date	2020-10-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Materials Science and Engineering Water Science and Technology Secondary Treatment
Content Type	Text
Resource Type	Article

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