《Table 4.Chemical forms of V, Pb, Cr, Cd, and As from the original sample and the residue》
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《"Leaching behavior of V,Pb,Cd,Cr,and As from stone coal waste rock with different particle sizes"》
Note:F1―Easily soluble fraction;F2―Reducible fraction;F3―Oxidizable fraction;R―Residual fraction.
Samples of stone coal waste rocks were collected from a waste dump in Hubei Province,China according to their disposal method,storage time,and granularity.The waste rocks were produced during the mining of stone coal ore.The waste rocks were crushed and sieved to 0–0.15 mm(fine fraction),0.5–1.0 mm(medium fraction),and 1.0–2.0mm(coarse fraction)for leaching tests before being air dried and homogenized.The X-ray diffraction(XRD)analysis(Fig.1)revealed that the main mineral compositions of the stone coal waste rocks were quartz,mica,and pyrite.In general,mica is the sole host mineral of vanadium.The concentrations of heavy-metal elements(V,Pb,Cd,Cr,As)in the original sample,as measured by inductively coupled plasma optical emission spectrometry(ICP–OES)and inductively coupled plasma mass spectrometry(ICP–MS),are shown in Table 1.
图表编号 | XD002874400 严禁用于非法目的 |
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绘制时间 | 2018.08.01 |
作者 | Ying-bo Dong、Yue Liu、Hai Lin |
绘制单位 | School of Energy and Environmental Engineering,University of Science and Technology Beijing、Beijing Key Laboratory on Resource-oriented Treatment of Industrial Pollutants、School of Energy and Environmental Engineering,University of Science and Technology |
更多格式 | 高清、无水印(增值服务) |
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