以钢渣为原料合成Ca-Mg-Al-Fe层状双金属氢氧化物及其对甲基橙的吸附  

Preparation of Ca-Mg-Al-Fe Layered Double Hydroxides Using Steelmaking Slag as Raw Material and Its Adsorption to Methyl Orange

作　　者：王晨晔 陈艳[2] 郭占成[1] 李会泉 Chenye WANG;Yan CHEN;Zhancheng GUO;Huiquan LI(State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China;Key Lab of Green Process and Engineering, National Engineering Lab for Hydrometallurgieal Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China)

机构地区：[1]北京科技大学钢铁冶金新技术国家重点实验室,北京100083 [2]中国科学院过程工程研究所绿色过程与工程重点实验室,湿法冶金清洁生产技术国家工程实验室,北京100190

出　　处：《过程工程学报》2018年第3期570-574,共5页The Chinese Journal of Process Engineering

基　　金：中国科学院科技服务网络计划(STS计划)资助项目(编号:KFJ-SW-STS-178)

摘　　要：以钢渣为原料,通过共沉淀法制备Ca-Mg-Al-Fe层状双金属氢氧化物,对材料进行了表征,考察了其对甲基橙的吸附性能.结果表明,所制材料结构规整、晶型良好,层状结构明显,对甲基橙的吸附符合Langmuir等温吸附模型,吸附过程符合拟二级动力学方程.Ca-Mg-Al-Fe layered double hydroxides（LDHs） was synthesized via coprecipitation using steelmaking slag as raw material. The LDHs was characterized, and its absorption property to methyl orange was also studied. The results showed that the LDHs presented well-defined crystal structure and shape. The absorption process fitted Langmuir isotherm absorption model well, and the absorption kinetics followed a pseudo-second order kinetic model.

关 键 词：钢渣 层状双金属氢氧化物 甲基橙 吸附 

分 类 号：X52[环境科学与工程—环境工程]