基于废弃羊皮革吸附剂吸附Cr(Ⅲ)的研究  

Adsorption of Chrome(Ⅲ) Based on Abandoned Sheep Leather Adsorbent

作　　者：丁绍兰[1] 王明[1] 董凌霄[1] 朱蕾[1] 

机构地区：[1]陕西科技大学资源与环境学院,陕西西安710021

出　　处：《中国皮革》2014年第13期5-8,13,共5页China Leather

基　　金：陕西省教育厅项目支持;项目号:11JK0770

摘　　要：利用废弃羊革制备一种廉价的吸附剂，研究其对水体中Cr（Ⅲ）的吸附性能。结果表明：废弃羊革对Cr（Ⅲ）的吸附为单层吸附，能很好地拟合二级吸附动力学方程，该吸附过程经过2—3阶段完成。在Cr（Ⅲ）初始浓度600mg／L、温度25％、吸附剂用量0．8g、pH值4、时间2h的条件下，对三价铬的去除率最大可达83．56％。Abstract ： The abandoned sheep leather was used as a low - cost absorbent, and the adsorption of Cr（ Ⅲ ） in aqueous solution were investigated. The experimental results indicate that the adsorption is monolayer adsorption, it can be well fitted by second - or- der kinetic equation, and the adsorption takes 2 - 3 phases to complete. The Cr（ Ⅲ ） removal rate by the abandoned sheep leather is 83.56% with the initial concentration of Cr（Ⅲ） is 600rag/L, the sorption temperature is 25℃, the dosage of adsorbent is 0. 8g, the pH value is around 4, the sorption time is 2h.

关 键 词：废弃羊皮革屑 三价铬 吸附 

分 类 号：TS59[轻工技术与工程—皮革化学与工程]