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Evaluating the performance of horizontal subsurface flow constructed wetlands using natural zeolite (escott)

Shuib, N., Baskaran, K. and Jegatheesan, V. 2011, Evaluating the performance of horizontal subsurface flow constructed wetlands using natural zeolite (escott), International journal of environmental science and development, vol. 2, no. 4, pp. 311-315.

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Title Evaluating the performance of horizontal subsurface flow constructed wetlands using natural zeolite (escott)
Author(s) Shuib, N.
Baskaran, K.
Jegatheesan, V.
Journal name International journal of environmental science and development
Volume number 2
Issue number 4
Start page 311
End page 315
Total pages 5
Publisher International Association of Computer Science and Information Technology
Place of publication Singapore, Singapore
Publication date 2011-08
ISSN 2010-0264
Keyword(s) constructed wetland
horizontal subsurface flow
hydraulic retention time
zeolite
Summary The objective of the present study was to assess the simultaneous removal of physiochemical parameters in moderate strength wastewater using a lab scale horizontal subsurface flow constructed wetland (HFCW) with natural zeolite as a substrate. In this study, high-density polyethylene tanks (0.36 m2) were planted with phragmites australis and scirpus maritimus and received 0.012 m3/d to 0.08 m3/d of synthetic wastewater corresponding to a HLR of 0.035 to 0.243 m/d and a COD loading rate of 0.0148 kg COD (m2.d)-1 to 0.026 kg COD (m2.d)-1. The HFCW was subjected to three hydraulic retention times (HRT) for 4, 3 and 2 days respectively. Averaged data reported coincided with the plant age (4 to 55 weeks) and covered the entire cold season and early part of the hot season. Based on the 55 weeks of operation, the HFCW unit with zeolite achieved significantly higher removal for COD (85 to 88%), TN (54 to 96%), NH4-N (50 to 99%) and TSS (91 to 96%) respectively at all HRT. This system was proved to be tolerant to high organic loadings and nutrients, suggesting these substrates as viable options for biological treatment of wastewater.
Language eng
Field of Research 090409 Wastewater Treatment Processes
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, IACSIT
Persistent URL http://hdl.handle.net/10536/DRO/DU:30039666

Document type: Journal Article
Collections: School of Engineering
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.