Analysis method for electrolytic metallic magnesium tank slag
A technology for electrolysis of metals and analysis methods, which is applied in the field of analysis and can solve problems such as inability to distinguish and detect slag.
Active Publication Date: 2018-09-07
QINGHAI SALT LAKE IND
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Problems solved by technology
[0006] The purpose of the present invention is to provide an analysis method for electrolytic magnesium metal slag, which is used to solve the technical problem that the existing electrolytic metal magnesium slag analysis method cannot distinguish and detect the slag of the electrolytic magnesium smelting process
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[0084] The present invention provides many applicable inventive concepts that can be embodied in numerous specific contexts. The specific examples described in the following embodiments of the present invention are only used as illustrations of specific embodiments of the present invention, and are not intended to limit the scope of the present invention.
[0085] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0086] The invention provides a method for analyzing electrolytic metal magnesium slag, which analyzes the composition content of the slag produced in the electrolytic magnesium smelting process, thereby providing a basis for recycling, exporting or process adjustment of the slag.
[0087] Such as figure 1 Shown, described electrolytic metal magnesium tank slag analysis method comprises the following steps:
[0088] Step S1, preparing the slag sample:
[0089] The preparation process of t...
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Abstract
The invention discloses an analysis method for electrolytic metallic magnesium tank slag. The analysis method comprises the following steps: firstly, dissolving and filtering with water: weighing a tank slag sample, adding water for dissolving, and carrying out first-time filtering to obtain first-time filtrate and first-time filter residues; respectively detecting the contents of all substances;secondly, dissolving and filtering with potassium dichromate: adding a potassium dichromate solution, dissolving magnesium oxide in the first-time filter residues until no bubbles are generated, carrying out second-time filtering to obtain second-time filtrate and second-time filter residues, and detecting the content of the magnesium oxide; thirdly, dissolving and filtering with an acid: adding concentrated hydrochloric acid, dissolving magnesium in the second-time filter residues until no bubbles are generated, carrying out third-time filtering to obtain third-time filtrate and third-time filter residues, and detecting the content of the magnesium in the third-time filtrate; weighing the mass of the third-time filter residues, and calculating the content of insoluble impurities. According to the analysis method for the electrolytic metallic magnesium tank slag, provided by the invention, different solvents are selected for stepwise dissolution by using the dissolubility of substances; the analysis method has the advantages of clear detection idea, strong logicality and accurate result.
Description
technical field [0001] The invention relates to the technical field of analysis methods, in particular to an analysis method for electrolytic metal magnesium bath slag. Background technique [0002] Qinghai is a resource-rich province with a wide variety of natural resources, among which the representative resources are salt lake resources. Chaerhan Salt Lake is the largest chloride-type potassium-sodium-magnesium salt deposit in China. It has large reserves, high grade, complete types, and relatively concentrated distribution. It has the characteristics of good resource combination, including 55.5 billion tons of sodium chloride reserves, 150 million tons of potassium chloride reserves, 4.9 billion tons of magnesium chloride, and rich national strategic resources such as lithium, rubidium, and cesium. It is the salt lake with the most development value in China. , with a potential economic value of more than 12 trillion yuan. [0003] Salt lake resources mainly include sed...
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IPC IPC(8): G01N5/04
CPCG01N5/04
Inventor 朱红卫党国元侯军海显鹍哈权章王海萍
Owner QINGHAI SALT LAKE IND