地浸过程中溶质(铀)迁移特征研究

Study of migration characteristics of solute(uranium) during in-situ leach process

本文通过室内溶质迁移试验 ,运用化学热力学计算 ,对地浸过程中的溶质迁移规律进行了研究。溶质 (铀 )迁移研究表明 :随着水文地球化学条件的改变 ,溶质 (铀 )经历了溶解迁移、水解沉淀、再溶解迁移的多次旋回 ,文章还根据铀浓度和水文地球化学指标 。

Based on the research of experiments of solute transport and calculation of chemical thermodynamics,this paper studies the solute (uranium) transport in the process of in situ leaching.Research results show that solute (uranium) transport in the process of in situ leaching must experience multi processes of dissolution,precipitation and re dissolution with changing hydrogeochemical conditions.Uranium at the whole flow path can be divided into four leaching zones in terms of uranium concentration and hydrogeochemical parameters.