青海盐湖水氯镁石溶液物理化学性质的研究  被引量:2

Study on the physicochemical properties of bischofite solution in Qinghai Salt Lake

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作  者:郭丽莉 涂赣峰 冯乃祥 狄跃忠 Guo Lili;Tu Ganfeng;Feng Naixiang;Di Yuezhong(School of Metallurgy,Northeastern University,Shenyang 110819,China;Yingkou Institute of Technology,Yingkou 115014,China)

机构地区:[1]东北大学冶金学院,辽宁沈阳110819 [2]营口理工学院,辽宁营口115014

出  处:《轻金属》2023年第3期44-47,共4页Light Metals

基  金:国家自然科学基金资助项目(21878045);辽宁省教育厅科学研究经费项目(L2020003)。

摘  要:青海盐湖拥有全国储量最大的镁盐资源,但未能得到有效地规模利用,在造成资源浪费的同时也给环境带来了极大压力。水氯镁石是盐湖镁资源的一种主要存在形式,目前对其的研究主要集中在应用方面,而对于其物理化学性质的研究较少。本文通过在不同温度和浓度条件下,对青海盐湖水氯镁石溶液的密度、粘度和电导率进行测定分析。结果表明:青海盐湖水氯镁石溶液与分析纯六水氯化镁溶液的以上三种物化性质受温度和浓度影响规律基本一致,可为后续水氯镁石电沉积法制备氢氧化镁奠定理论基础。Qinghai Salt Lake has the largest reserves of magnesium salt resources in China,but it has not been effectively utilized on a large scale,which not only wastes resources but also brings great pressure to the environment.The bischofite is a major form of magnesium resources in salt lakes.At present,the research on it is mainly focused on its application,with less research conducted on its physicochemical properties.In this paper,the density,viscosity and conductivity of the Qinghai Salt Lake bischofite solution were measured and analyzed under different temperature and concentration conditions.The results showed that the affecting laws of temperature and concentration on the above-mentioned three physicochemical properties of bischofite solution in Qinghai Salt Lake and analytical grade magnesium chloride hexahydrate are basically the same,which can lay a theoretical foundation for the subsequent preparation of magnesium hydroxide by bischofite electrodeposition.

关 键 词:水氯镁石 物化性质 密度 粘度 电导率 

分 类 号:TF806.1[冶金工程—有色金属冶金]

 

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