SPATIAL DISTRIBUTION OF METALS IN THE CONSTRUCTED WETLANDS

doi:10.1080/15226514.2011.573825

CNU IR > College of Sustainable Environment and Recreation > Dept. of Environmental Engineering and Science (including master's program) > Periodical Articles > Item 310902800/27714

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题名:	SPATIAL DISTRIBUTION OF METALS IN THE CONSTRUCTED WETLANDS
作者:	Kongroy, Porntawee Tantemsapya, Netnapid Lin, Ying-Feng Jing, Shuh Ren Wirojanagud, Wanpen
贡献者:	環境工程與科學系
关键词:	Constructed Wetlands Metals Accumulation Spatial Distribution
日期:	2012
上传时间:	2014-03-24 15:22:29 (UTC+8)
出版者:	Taylor & Francis Inc
摘要:	Investigation of the spatial distribution of metals was conducted for two constructed wetlands used as tertiary treatment in Chia Nan University of Pharmacy and Science (CNU) and Metal Processing Industries (MPI) located in Tainan, Taiwan. These two distinguished sites were selected to compare the distribution of metals for constructed wetlands treating different types of wastewater. Along the distance, samples of water, sediment, and macrophytes were analyzed for metals including Al, Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn. Additionally, measurements of water quality including temperature, pH, EC, ORP, DO, TSS, BOD, COD, and turbidity were performed. Results show that, at CNU, wastewater contained higher organic consititute (BOD 29.3 +/- 11.7 mg/, COD 46.7 +/- 33.6 mg/L) with low metals content. Wastewater at MPI contained low level of organic consititute (BOD 7.1 +/- 3.3 mg/L, and COD 66.0 +/- 56.5 mg/L) and higher metals content. Metals distribution of both sites showed similar results where metals in the sediments in the inlet zone have greater concentrations than other areas. The constructed wetlands can remove Cd, Cu, Ni, Pb, and Zn. However, there was no removal of Al, Cr, Fe, and Mn. A distance along the constructed wetlands had no effect on metal concentrations in macrophyte and water.
關聯:	International Journal of Phytoremediation, 14(2), 128-141
显示于类别:	[Dept. of Environmental Engineering and Science (including master's program)] Periodical Articles

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