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Preparation process of potassium perchlorate

A preparation process, potassium perchlorate technology, applied in the direction of perchloric acid, perchlorate, etc., can solve the problems of high process cost and low purity of finished products, and achieve the effect of high purity and wide source

Inactive Publication Date: 2017-11-21
佛山市诚新泰不锈钢制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method of producing potassium perchlorate is generally to directly electrolyze potassium chlorate and then use crystallization to produce it. This process is costly and the purity of the finished product is not high.

Method used

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  • Preparation process of potassium perchlorate
  • Preparation process of potassium perchlorate

Examples

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Embodiment example 1

[0014] Reference figure 1 , The preparation process of potassium perchlorate of the present invention includes the following steps:

[0015] Heat one part of industrial sodium chlorate and dissolve in one part of water, add barium hydroxide solution until the solution no longer produces precipitation, remove impurities such as chromate and sulfate in the solution, filter to remove insoluble substances in the solution, and then place the resulting filtrate Put it into the electrolytic tank for electrolysis. After 20 minutes of electrolysis, add the equivalent mass of saturated potassium chloride solution to the obtained electrolyte, and stir and heat it. When the solution no longer precipitates solids, place the solution in a new container and place it in a ventilated place. Perform cooling and crystallization, keep the temperature at 28 degrees, stop crystallization when 1 / 5 of the solution is left, heat the obtained crystals with distilled water to dissolve, and then continue to...

Embodiment 2

[0017] Reference figure 1 , The preparation process of potassium perchlorate of the present invention includes the following steps:

[0018] Dissolve one part of industrial sodium chlorate in one part of water by heating, add barium hydroxide solution until the solution no longer precipitates, remove impurities such as chromate and sulfate in the solution, filter to remove insoluble substances in the solution, and then place the resulting filtrate Enter the electrolytic cell for electrolysis. After 20 minutes of electrolysis, add the equivalent mass of saturated potassium chloride solution to the resulting electrolyte, and stir and heat it. When the solution no longer precipitates solids, place the solution in a new container and place it in a ventilated place. Perform cooling and crystallization, keep the temperature at 29 degrees, stop crystallization when 1 / 5 of the solution is left, heat the obtained crystals with distilled water to dissolve, and then continue to cool and cry...

Embodiment 3

[0020] Reference figure 1 , The preparation process of potassium perchlorate of the present invention includes the following steps:

[0021] Heat one part of industrial sodium chlorate and dissolve in one part of water, add barium hydroxide solution until the solution no longer produces precipitation, remove impurities such as chromate and sulfate in the solution, filter to remove insoluble substances in the solution, and then place the resulting filtrate Put it into the electrolytic tank for electrolysis. After 20 minutes of electrolysis, add the equivalent mass of saturated potassium chloride solution to the obtained electrolyte, and stir and heat it. When the solution no longer precipitates solids, place the solution in a new container and place it in a ventilated place. Perform cooling and crystallization, keep the temperature at 30 degrees, stop crystallization when 1 / 5 of the solution is left, heat the obtained crystals with distilled water to dissolve, and then continue to...

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Abstract

The invention provides a preparation process of potassium perchlorate, which comprises heating and dissolving industrial sodium chlorate, adding barium hydroxide solution, filtering, electrolyzing, heating and adding potassium chloride solution, cooling crystallization, adding water and heating to dissolve, cooling crystallization, washing, Dried and crushed to obtain the finished product. The method is simple and practical, has low manufacturing cost, and is suitable for mass production of the product.

Description

Technical field [0001] The invention belongs to the field of chemical engineering, and particularly relates to a preparation process of potassium perchlorate. Background technique [0002] Potassium perchlorate is white powder or colorless orthorhombic crystals, density 2.52g / cm3, melting point 610℃, molecular weight 138.55, slightly soluble in water, insoluble in ether and ethanol. The properties are more stable than potassium chlorate, and it will decompose into chlorination at the melting point. Potassium and oxygen. The traditional method of producing potassium perchlorate is generally to directly use potassium chlorate for electrolysis and then use the crystallization method to prepare it. Such a process is costly and the purity of the finished product is not high. Summary of the invention [0003] In order to overcome the above problems, the present invention provides a process for preparing potassium perchlorate, which includes heating and dissolving industrial sodium chlo...

Claims

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Application Information

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IPC IPC(8): C01B11/18
CPCC01B11/18C01P2006/80
Inventor 庄宇雄
Owner 佛山市诚新泰不锈钢制品有限公司
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