Combined mild soil washing and compost-assisted phytoremediation in treatment of silt loams contaminated with copper, nickel, and chromium

doi:10.1016/j.jhazmat.2011.03.113

Chia Nan University of Pharmacy & Science Institutional Repository > 環境永續暨休閒學院 > 環境工程與科學系(所) > 期刊論文 > Item 310902800/26977

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標題:	Combined mild soil washing and compost-assisted phytoremediation in treatment of silt loams contaminated with copper, nickel, and chromium
作者:	Sung, Menghau Lee, Chi-Yi Lee, Suen-Zone
貢獻者:	環境工程與科學系
關鍵字:	Phytoremediation Soil washing Heavy metals Compost Green remediation
日期:	2011-06
上傳時間:	2013-10-16 09:08:32 (UTC+8)
出版者:	Elsevier
摘要:	A new soil remediation option, combining the soil washing process using pure water followed by the compost-assisted phytoextraction, is evaluated using silt loams contaminated with plating wastewater containing Cu, Ni, and Cr. Plants utilized in this study are the rapeseeds, sunflowers, tomatoes, and soapworts. Phytoextraction operation was carried out in pot experiments over a period of 4 months. Metal concentrations in roots and shoots of plants were analyzed upon completion of each pot experiment. Hypothesis testing was employed in assessing the significance of difference in the experimental data. Results indicated that the rapeseed, a hyperaccumulator, is most effective in extracting metals from the compost-amended silt loams. The fast-growing sunflowers and tomatoes are comparable to rapeseeds in accumulating metals despite their relatively low metal concentrations in tissues. Bioaccumulation coefficients obtained for all plants are less than one, indicating that phytostabilization rather than phytoextraction is the dominant mechanism at this simulated final-phase condition.
關聯:	Journal of Hazardous Materials, 190(1-3), pp.125-131
显示于类别:	[環境工程與科學系(所)] 期刊論文

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