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[Chemical Knowledge]：Production and manufacturing method and process of potassium salt

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Research on
the manufacturing method of potassium salt
Abstract

This paper studies the manufacturing method of potassium salt in the field of raw materials for chemical production. Through the comparison and analysis of different manufacturing methods, the most suitable scheme for industrial production is determined. The experimental results show that the scheme has the advantages of simple operation, low cost, high purity and good application prospect.

1. Introduction

potassium salt is an important chemical raw material, widely used in food, medicine, agriculture and other fields. With the continuous growth of market demand, it is of great significance to study the manufacturing method of potassium salt for improving production efficiency and reducing costs. The purpose of this paper is to explore a suitable for industrial production of potassium salt manufacturing method.

2. Materials and Methods

1. Materials
The main raw materials required for
experiments include potassium chloride, sodium carbonate, water, etc.

2. equipment

experimental equipment including agitator, reaction kettle, centrifuge, dryer, etc.

3. Manufacturing Method

(1) Method 1: Use the double decomposition method. Potassium chloride and sodium carbonate are mixed in a certain proportion, an appropriate amount of water is added, and the reaction is carried out under stirring conditions to generate potassium carbonate and sodium chloride. After completion of the reaction, the solid product was separated by centrifugation, washed and dried to obtain the potassium salt.

(2) Method 2: Electrolysis method is used. Potassium chloride is dissolved in water and electrolyzed by direct current to generate potassium hydroxide and hydrogen. After completion of the electrolysis, the potassium hydroxide solution was concentrated, crystallized, and dried to obtain a potassium salt.

3. Results and Discussion

1. Results

(1) Method 1: Through experiments, we have concluded that the best feed ratio is potassium chloride: sodium carbonate: water = 1:1.1:5. Under these conditions, the reaction temperature was 80 ° C. and the reaction time was 2 hours. The product was centrifuged, washed and dried to give the potassium salt with a purity of 98%.

(2) Method 2: The electrolysis method consumes a large amount of electric energy and has a high cost. At the same time, the hydrogen produced during the electrolysis process needs to be properly disposed of to avoid safety hazards. Therefore, from the economic and safety point of view, method one is more suitable for industrial production.

2. Discussion

(1) double decomposition process for the manufacture of potassium salts, reaction temperature, time and feed ratio have an important impact on product purity and yield. Through experimental optimization, we determined the best process parameters and improved the purity of the product. Although potassium hydroxide can be obtained directly by

(2) electrolysis method, the energy consumption is high, and the safety problem needs to be paid attention. Therefore, in actual production, the appropriate manufacturing method should be selected according to the specific situation.

4. conclusion

In this study, through the comparison and analysis of the two potassium salt manufacturing methods, it is concluded that the double decomposition method is more suitable for industrial production. The method has the advantages of simple operation, low cost, high purity and good application prospect. In the actual production process, the process parameters can be further optimized according to specific needs and conditions to improve production efficiency and economic benefits.

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