制备多孔结构是提高材料对重金属离子吸附能力的一种有效方法.利用沉淀法制备了不同形貌的草酸铜粒子,再将草酸铜粒子在400℃煅烧,得到了具有优异吸附能力的CuO多孔微球.研究了Cu2和C2 O2-的摩尔比和反应温度对草酸铜以及煅烧后得到的CuO的物相、形貌和粒径的影响.对比分析了草酸铜和CuO多孔微球对Cr(Ⅵ)离子的吸附性能.由空心的草酸铜煅烧得到的CuO多孔微球对Cr(Ⅵ)离子表现出优异的吸附能力.最后分析了CuO多孔微球对Cr(Ⅵ)离子吸附的动力学和平衡吸附规律.
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