TBP浸渍树脂在氯化物介质中吸附铁(Ⅲ)的性能及机理  

Adsorption Properties and Mechanism of Fe(Ⅲ) in Chloride Medium with TBP Impregnated Resin

作　　者：魏士龙[1] 刘军深[1] 高学珍[1] 陈晓亮[1] 

机构地区：[1]鲁东大学化学与材料科学学院,山东烟台264039

出　　处：《鲁东大学学报（自然科学版）》2013年第3期218-222,共5页Journal of Ludong University:Natural Science Edition

基　　金：国家自然科学基金(21171085);山东省自然科学基金(ZR2010BM027)

摘　　要：以磷酸三丁酯(TBP)为萃取剂,苯乙烯-二乙烯基苯大孔树脂(HZ830)作载体制备出TBP浸渍树脂.研究了该浸渍树脂在氯化物介质中吸附铁(Ⅲ)过程中盐酸浓度、氢离子与氯离子的浓度以及萃取剂的含量等对吸附性能的影响.通过树脂对吸附铁(Ⅲ)的化学计量数的研究发现铁(Ⅲ)与浸渍树脂中萃取剂的结合方式为HFeCl4·2TBP.基于铁(Ⅲ)在氯化物介质中的存在形式和铁(Ⅲ)被浸渍树脂中萃取剂吸萃的结合方式,可以得出:铁(Ⅲ)在氯化物介质中被吸附是萃取剂、盐酸及树脂共同作用的结果.Trialkyl phosphine oxide （TBP） was used for the impregnation of styrene-divinylbenzene maeroporous resin（HZ830） to prepare an impregnated resin. During adsorbing Fe（ III） from hydrochloric me dium with this impregnated resin, different parameters affecting the adsorption properties and mechanism of Fe （ Ⅲ ） such as the concentration of hydrochloric acid, hydrogen ion and chloride ion were analyzed. The stoichiometry of the adsorption Fe （ Ⅲ ） investigated by impregnated resin was found to be HFeC14 2TBP. Based on the existence form of Fe （ Ⅲ ） in chloride medium, impregnated resin, Fe （ Ⅲ ） adsorption process could be hydrochloric acid and resin. and the combination of Fe （ Ⅲ ） with TBP in the regarded as the result of combined action of extractant,

关 键 词：铁(Ⅲ) 浸渍树脂 吸附 

分 类 号：O647.3[理学—物理化学]