速生桉树皮制备吸附剂去除水中铜离子的研究  

Removal of Cu(II) from Aqueous Solution by Biomass-based Sorbents Using Eucalyptus Bark as Raw Material

作　　者：罗栋源 唐艳葵[2] 王生业 莫雅圆 陈成[2] 曲艳萍[2] 陈玲[2] 

机构地区：[1]广西壮族自治区环境保护科学研究院,广西南宁530022 [2]广西大学环境学院,广西南宁530004

出　　处：《广东化工》2016年第6期79-82,共4页Guangdong Chemical Industry

基　　金：2014年中央重金属污染防治专项资金项目(20140944);国家自然科学基金项目(51168001)

摘　　要：本研究将速生桉树林业废弃物树皮为原料,制备生物质吸附剂MEUB,用于去除废水中的铜离子(Cu(II))。结果表明:溶液初始p H、Cu(II)初始浓度、反应温度、吸附剂粒度、盐度是主要影响因素。去除率随着p H的增大而增大,在p H为4.0以后变化不大。MEUB吸附Cu(II)离子的过程符合二级反应动力。Eucalyptus bark was used as a raw material to prepare biosorbents（MEUB） for removing copper（Cu（II）） from aqueous solution. The results of batch experiments showed that adsorption behaviors were influenced by the initial solution p H, initial Cu（II） concentration, biosorbent particle size and the concentrations of coexisting sodium ion. Removal efficiency increased rapidly with increasing solution p H, while it was stable when the p H is above 4. The results indicated that the adsorption equilibrium data obeyed the Freundlich model and the adsorption process fits the pseudo-second-order models. This work provides a potential technique for copper ion removal from wastewater.

关 键 词：铜离子 桉树皮 吸附 

分 类 号：TS653.6[轻工技术与工程]