Recovery of molybdenum (Ⅵ) from aqueous solution with packed foam column by steady-state
The purpose of this study is to recover molybdenum (Ⅵ) from aqueous solution with packed foam column by steady-state operation using hexadecyl trimethyl ammonium chloride as the surfactant.The parameters include air and feed flow rate,packing layer heights,surfactant concentration and pH etc,then the macroscopical dynamics is studied.The experimental results show that there are little effects of liquor pH,air flowrate and surfactant concentration on recovery rate and enrichment ratio of molybdenum within experimental conditions,but with increase of feed flow rate,recovery rate and enrichment ratio all decline clearly,with increase of packing height,recovery rate enhances evidently,and enrichment ratio decreases slowly.The macroscopieal dynamics show that the process can be regarded as first order reaction.The fluid flow pattern is close to piston,indicating that there is little liquid backmixing and in favor of advancing separation efficiency by analyzing variance and distribution density function.
Packed foam column steady-state operation recovery molybdenum (Ⅵ)
Zhang Yong-qiang Wang Jing Shi meiling Zhao xiaoxian
Hebei Key Laboratory of Applied Chemistry, School of Environmental and Chemical Engineering,Yanshan University, Qinhuangdao, HeBei, China
国际会议
厦门
英文
270-276
2012-12-28（万方平台首次上网日期，不代表论文的发表时间）