CN103240061B - 改性花粉的制备方法及吸附处理水体EDCs的应用 - Google Patents
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Abstract
Description
样品/参数 | 最佳固液比/ g·mL-1 | 最佳超声时间/min | 最佳回流时间/h |
荷花花粉 | 1:20 | 15 | 8 |
杏花花粉 | 1:40 | 0 | 9 |
松花花粉 | 1:30 | 30 | 2 |
蒲公英花粉 | 1:30 | 0 | 9 |
改性荷花花粉 | 改性杏花花粉 | |
X射线荧光光谱 | 金属含量降低,减少了水分子的活性吸附位点,增强了花粉表面的憎水性质 | 金属含量降低,减少了水分子的活性吸附位点,增强了花粉表面的憎水性质 |
元素分析 | C、H、N含量分别61.90%,1.557%,5.544%,改性减小了花粉极性且增加了疏水性 | C、H、N含量分别62.70%,1.474%,5.545%,改性减小了花粉极性且增加了疏水性 |
比表面积,孔容孔径 | 比表面积及孔容,孔径分别为39.2938m2·g-1,0.134305 cm3·g-1,13.66168nm,比表面积及孔容孔径均增大 | 比表面积及孔容,孔径分别为11.0866m2·g-1,0.033039 cm3·g-1,11.92045nm,比表面积及孔容孔径均增大 |
改性松花花粉 | 改性蒲公英花粉 | |
X射线荧光光谱 | 金属含量降低,减少了水分子的活性吸附位点,增强了花粉表面的憎水性质 | 金属含量降低,减少了水分子的活性吸附位点,增强了花粉表面的憎水性质 |
元素分析 | C、H、N含量分别65.02%,1.061%,7.058%,改性减小了花粉极性且增加了疏水性 | C、H、N含量分别62.84%,1.536%,5.056%,改性减小了花粉极性且增加了疏水性 |
比表面积,孔容孔径 | 比表面积及孔容,孔径分别为6.427m2·g-1,0.0255cm3·g-1,14.06nm,比表面积及孔容孔径均增大 | 比表面积及孔容,孔径分别为10.5825m2·g-1,0.047882 cm3·g-1,19.09662nm,比表面积及孔容孔径均增大 |
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