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  2. 四、國外研究報告
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Please use this identifier to cite or link to this item: https://scholars.tari.gov.tw/handle/123456789/1009
Title: The effects of chemical remediation treatments on the extractability and speciation of cadmium and lead in contaminated soils
Authors: Z.S. Chen
G.J. Lee
J.C. Liu 
Issue Date: Jul-2000
Publisher: Pergamon Press
Journal Volume: 41
Journal Issue: 1-2
Start page/Pages: 235-242
Source: Chemosphere 
Abstract: 
Two rural soils contaminated by cadmium (Cd) and lead (Pb) were used to evaluate the effect of different chemical treatments on changes in speciation and extractability of Cd and Pb, and in phytoavailability to wheat. Triplicates of seven chemical treatments were tested to compare and evaluate the remediation techniques for contaminated soils using pot experiments. Treatments applied were calcium carbonate, a high quantity of phosphate salt, hog composts, iron oxide, manganese oxide, zeolite, and unamended control. Wheat (Triticum aestivum) was planted in the different amended soils for a further one month to evaluate the effectiveness of treatments on uptake of Cd and Pb by the wheat shoots. Results indicated that addition of calcium carbonate, manganese oxide, or zeolite reduces the extractability of Cd or Pb in both soils, and significantly reduce the uptake of Cd and Pb by wheat shoots. Changes in the extractability and metal sequential fractionations indicate that the exchangeable (or available) form of Cd and Pb in two soils can be transformed into unavailable forms after these amendments.
URI: https://scholars.tari.gov.tw/handle/123456789/1009
ISSN: 0045-6535
DOI: 10.1016/S0045-6535(99)00416-6
Appears in Collections:SCI期刊

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