通过乙二胺(EDA)对氧化石墨烯(GO)进行还原制备了还原态氧化石墨烯(RGO),利用红外光谱、拉曼光谱、热重分析和扫描电子显微镜等技术对制得的RGO进行了表征.考察了RGO复合材料在静态吸附条件下对Pb(Ⅱ)、Cd(Ⅱ)、Cu(Ⅱ)和Mn(Ⅱ)金属离子的吸附性能.结果表明,该吸附材料对上述4种重金属离子在25℃时的静态饱和吸附量分别为396.6、115.3、54.2和38.6 mg/g.吸附于RGO上的pb(Ⅱ)可用0.05 mol/L HCl溶液进行洗脱,再生后的RGO重复使用3次时吸附量能达到首次吸附量的85%.
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