[an error occurred while processing this directive] 世界地质 2020, 39(3) 693-699 DOI:   10.3969/j.issn.1004-5589.2020.03.020  ISSN: 1004-5589 CN: 22-1111/P

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本文关键词相关文章
柴达木盆地
地下卤水
水化学演化
开采条件
本文作者相关文章
赵英杰
胡舒娅
赵全升
李波
路来君
PubMed
Article by Zhao Y
Article by Hu S
Article by Zhao Q
Article by Li B
Article by Lu L
开采条件下马海盐湖地下卤水水化学演化特征
赵英杰1, 胡舒娅2, 赵全升2, 李波3, 路来君1
1. 吉林大学地球科学学院, 长春 130061;
2. 青岛大学环境科学与工程学院, 山东青岛 266071;
3. 山东科技大学地球科学与工程学院, 山东青岛 266590
摘要: 为了解开采过程中卤水水化学动态特征及其演化规律,选择柴达木盆地马海盐湖开采前、开采初期和开采中后期地下卤水样品,通过统计分析、相关性分析、离子比例分析及卤水水化学类型分析等方法研究开采过程中马海盐湖地下卤水水化学动态特征,分析卤水演化规律。结果表明,开采过程中K+,Ca2+,Mg2+,SO42-含量变化稍大,是随着环境因素而变化的敏感因子;卤水中Na+与储卤介质中吸附的Mg2+存在离子交换作用,且存在白云石的溶解和方解石的沉淀;开采过程中卤水水化学类型并未发生改变,卤水水化学类型主要为硫酸镁亚型。
关键词 柴达木盆地   地下卤水   水化学演化   开采条件  
Hydrochemical evolution characteristics of underground brine under mining conditions in Mahai salt lake
ZHAO Ying-jie1, HU Shu-ya2, ZHAO Quan-sheng2, LI Bo3, LU Lai-jun1
1. College of Earth Sciences, Jilin University, Changchun 130061, China;
2. Environmental Science and Engineering College, Qingdao University, Qingdao 266071, Shandong, China;
3. School of Geosciences and Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
Abstract: The underground brine samples before mining, on the initial stage and after mining of Mahai salt lake in Qaidam Basin were selected to understand the chemical dynamic characteristics and evolution of brine in mining process. The hydrochemical dynamic characteristics of subsurface brine in Mahai salt lake during mining were studied by means of statistical analysis, correlation analysis, ion ratio analysis and brine chemical type analysis, and the evolution law of brine were analyzed. The results showed that the variation of contents of K+, Ca2+, Mg2+ and SO42- was slightly big in the mining process, which were sensitive factors to the changes of environmental factors. There was ion exchange between Na+ and Mg2+ adsorbed in the halogen storage medium in brine, together with the dissolution of dolomite and the precipitation of calcite. The hydrochemical type of brine did not changed during the mining process, which was mainly magnesium sulfate.
Keywords: Qaidam Basin   underground brine   hydrochemical evolution   mining conditions  
收稿日期 2020-05-20 修回日期 2020-07-18 网络版发布日期  
DOI: 10.3969/j.issn.1004-5589.2020.03.020
基金项目:

国家自然科学基金面上项目(41877198)

通讯作者: 赵全升(1963-),男,教授,硕士生导师,主要从事海岸带与盐湖地下水研究。E-mail:qszhaoqdu@163.com
作者简介:
作者Email: qszhaoqdu@163.com

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