磷矿脱镁废水中的 Mg^(2+) 交换平衡研究

Ion Exchange Equilibria of Mg 2+ of Waste Solution from Demagging of Phosphate Ore

本文研究了磷矿脱镁废水和ＭｇＳＯ４溶液中的Ｍｇ２＋在００１×７型树脂和００１×７×７型树脂上的交换平衡。测定了溶液组成对Ｍｇ２＋吸附量的影响和２５℃下Ｍｇ２＋交换平衡曲线，并用液—固体系中溶质计量置换吸附模型描述Ｍｇ２＋交换平衡关系。

Ion exchange equilibrium of Mg 2+ of waste solution from demagghing phosphate ore and MgSO 4 solution on 001×7 resin and 001×7×7 resin have been studied, which can be described with stochmotric displacement model of adsorption (SDM—A) in liquid-solid system.The effects of H 3PO 4、H 2SO 4、Mg 2+ and F concentrentions on adsorption of Mg 2+ on resins also have been measured.