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- W3183189523 abstract "以航空煤油为有机分散介质,环氧氯丙烷为交联剂,硝酸锰为印迹分子,采用反相悬浮和溶胶凝胶法结合制备交联壳聚糖微球(Mn-CCTS),并通过与半胱氨酸的羧基官能团接枝合成锰印迹吸附树脂(Cys-Mn-CCTS).通过SEM扫描、傅里叶红外光谱对Cys-Mn-CCTS的结构进行了表征,并进行了低浓度Mn2+的静态吸附实验.研究表明,Cys-Mn-CCTS较Mn-CCTS吸附性能有显著提高,303 K温度下,Cys-Mn-CCTS对5、10 mg/L的Mn2+的去除率由未接枝前的22.56%、16.26%分别提高至82.87%、82.56%;pH值在4~9范围内,CyS-Mn-CCTS对Mn2+的吸附性能基本不受影响,在pH值为5时吸附性能最佳,吸附容量和去除率分别为7.02 mg/g和96.29%;树脂对Mn2+的去除率在2h后达到91.9%,吸附过程符合Lagergren准二级动力学方程;在干扰离子Ca2和Mg2+总浓度达到200 mg/L时,Cys-Mn-CCTS对Mn2+的吸附容量和去除率分别为2.16 mg/g和29.6%,表现出一定的抗干扰能力." @default.
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- W3183189523 date "2014-01-01" @default.
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- W3183189523 title "Preparation of Manganese Inprinted Cysteine-chitosan Resin and Its Selective Adsorption of Mn2+ in Dilute Solution" @default.
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