Please use this identifier to cite or link to this item:
|Title:||Constructed tropical wetlands with integrated submergent-emergent plants for sustainable water quality management|
Integrated emergent-submergent plant system
|Citation:||Tanaka, N., Jinadasa, K.B.S.N., Werellagama, D.R.I.B., Mowjood, M.I.M., Ng, W.J. (2006-10-01). Constructed tropical wetlands with integrated submergent-emergent plants for sustainable water quality management. Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering 41 (10) : 2221-2236. ScholarBank@NUS Repository. https://doi.org/10.1080/10934520600867581|
|Abstract:||Improvement of primary effluent quality by using an integrated system of emergent plants (Scirpus grossus in the leading subsurface flow arrangement) and submergent plants (Hydrilla verticillata in a subsequent channel) was investigated. The primary effluent was drawn from a septic tank treating domestic sewage from a student dormitory at the University of Peradeniya, Sri Lanka. Influent and effluent samples were collected once every 2 weeks from May 2004 through July 2005 and analyzed to determine water quality parameters. Both the emergent and submergent plants were harvested at predetermined intervals. The results suggested that harvesting prolonged the usefulness of the system and the generation of a renewable biomass with potential economic value. The mean overall pollutant removal efficiencies of the integrated emergent and submergent plant system were biological oxygen demand (BOD5), 65.7%; chemical oxygen demand (COD), 40.8%; ammonium (NH4 +-N), 74.8%; nitrate (NO3 --N), 38.8%; phosphate (PO4 3-), 61.2%; total suspended solids (TSS), 65.8%; and fecal coliforms, 94.8%. The submergent plant subsystem improved removal of nutrients that survived the emergent subsystem operated at low hydraulic retention times. The significant improvement in effluent quality following treatment by the submergent plant system indicates the value of incorporating such plants in wetland systems. Copyright © Taylor & Francis Group, LLC.|
|Source Title:||Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Jan 14, 2019
WEB OF SCIENCETM
checked on Jan 7, 2019
checked on Oct 19, 2018
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.