A kind of electrolytic metal magnesium tank slag analysis method
A technology for electrolysis of metals and analysis methods, applied in the field of analysis, can solve problems such as inability to distinguish and detect slag
Active Publication Date: 2021-03-09
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 a method for analyzing electrolytic magnesium metal slag, which comprises the following steps: step 1, water-soluble filtration: weighing the slag sample, adding water to dissolve it, and performing the first filtration to obtain the first filtrate and the first filter residue, respectively Detect the content of each substance; step 2, potassium dichromate solution and filter: add potassium dichromate solution, dissolve the magnesium oxide in the first filter residue until no bubbles are produced, and perform second filter to obtain the second filtrate and the second filter. Secondary filter residue, detect the content of magnesium oxide; Step 3, acid-soluble filtration: add concentrated hydrochloric acid, dissolve the magnesium in the second filter residue until no bubbles are generated, and perform a third filter to obtain the third filtrate and the third filter residue, detect the content of magnesium in the third filtrate; weigh the quality of the third filter residue, and calculate the content of insoluble impurities. The method for analyzing electrolytic magnesium metal slag provided by the invention utilizes the solubility of substances, selects different solvents for step-by-step dissolution, and has clear detection ideas, strong logic and accurate results.
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