有色金属科学与工程Issue(4)：37-40,4.DOI:10.13264/j.cnki.ysjskx.2015.04.008
镁铝水滑石的合成及其对VO3-的吸附特性
Synthesis of the Mg-Al hydrotalcite and its adsorption properties for VO 3-
摘要
Abstract
Mg-Al-CO32- hydrotalcite was prepared by hydrothermal method and then calcined. The adsorption behaviors of hydrotalcite for VO3-in the solution before and after calcination were investigated. The results were summarized as follows: The maximum adsorption capacity of hydrotalcite C-HT after calcination for VO 3- is 95.21 mg/g at 35℃, much lager than that of hydrotalcite before calcination which is 31.59 mg/g. It shows signifi-cant influence of calcination on the adsorption capacity of hydrotalcite. The kinetics of VO 3-adsorption onto C-HT shows that the time until equilibrium is 6 hour, and C-HT after adsorption is reproducible by desorption of sodium carbonate solution with desorption efficiency of up to 97%. The adsorption capacity of C-HT for VO 3-in the solution is mainly due to the exchange adsorption of VO 3-and the CO32-filling between the layers.关键词
镁铝水滑石/焙烧/阴离子交换/吸附/VO3-Key words
hydrotalcite/synthesis/roasting/sdsorption/VO3-分类
矿业与冶金引用本文复制引用
肖卫红,张青梅,尤翔宇,刘湛..镁铝水滑石的合成及其对VO3-的吸附特性[J].有色金属科学与工程,2015,(4):37-40,4.基金项目
国家环保技术管理项目（2110109）；国家科技重大专项“水体污染控制与治理” （）
