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Cr, Ni, Cu, 15 As, and Pb were mostly bound to residual fraction with lower bioavailability, while Cd and Zn were mainly in exchangeable 16 fraction with higher bioavailability. The …
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Request PDF | On Jun 1, 2019, Wen-yi Yuan and others published Immobilization of Pb, Cu and Zn in contaminated soil using ball milling technique | Find, read and cite all the research you need on ...
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A comparative study on the removal efficiency of metal . 2016 9 20 In the present article the optimization of removal of Cu 2 Ni 2 and Pb 2 using sugarcane based activated carbon was studied The activated carbon synthesized from low cost sugarcane bagasse via ZnCl 2 activation process was found to possess surprisingly high surface area >1500 m 2 /g In …
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Changes in soil pH may cause heavy metals to be released again, however, ball milling can enhance the anti-acid ability of soils. After ball milling, the leaching …
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The effect of ball milling was more evident to lead than to aluminum. The grain size of Pb was 40 nm after milling for 40 h, and the grain size of aluminum was 65 …
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At a milling speed of 500 rpm, and BPR 12, the leaching concentrations of Pb, Cu and Zn decreased with increasing milling time as shown in Fig. 2.The leaching …
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In addition, the BCR sequential extraction procedure revealed that speciation shiftsof heavy metals are the root cause for the reduction of leaching concentrations; after ball milling …
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At a milling speed of 500 rpm, and BPR 12, the leaching concentrations of Pb, Cu and Zn decreased with increasing milling time as shown in Fig. 2.The leaching concentrations of Pb, Cu and Zn in untreated soil were 13.92 mg·L −1, 2.71 mg·L −1, and 114.31 mg·L −1, which were 273 times, 2.6 times, and 113 times higher than the Class …
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