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[Chemical Knowledge]：Production and manufacturing method and process flow of sodium perborate

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The manufacturing method
of sodium perborate
1. Introduction

Sodium perborate is an important chemical product, widely used in washing, bleaching, oxidation and other fields. With the continuous development of science and technology, the manufacturing method of sodium perborate is also constantly improved and optimized. This article will introduce a manufacturing method of sodium perborate, which aims to improve production efficiency, reduce costs and improve product quality.

2. raw materials and equipment

1 raw materials: boric acid, sodium hydroxide, hydrogen peroxide.
2. Equipment: reaction kettle, stirrer, thermometer, pH meter, centrifuge, dryer, etc.

3. manufacturing steps

1. boric acid and sodium hydroxide according to a certain proportion of the reaction kettle, stirring, generating sodium borate solution.
2. under stirring, slowly add hydrogen peroxide, control the addition speed, keep the reaction temperature in a certain range.
3. During the reaction, the pH value of the solution was monitored with a pH meter, and the addition rate of hydrogen peroxide was adjusted according to the pH value change.
4. After completion of the reaction, the sodium perborate solution was centrifuged to obtain sodium perborate as a solid.
5. The sodium perborate solid is washed with water to remove impurities, and then the solid is dried to obtain the finished sodium perborate.
Precautions for
4.

1. Control the reaction temperature to avoid too high or too low, which will affect the reaction speed and product quality.
2. Control the addition rate of hydrogen peroxide to avoid excessive local concentration and safety accidents.
3. Keep the reaction kettle stirring evenly, avoid solid precipitation, affect the reaction effect.
4. During the washing and drying process, pay attention to the operation specifications to avoid product contamination or loss.

5. conclusion

The sodium perborate manufacturing method introduced in this paper has the advantages of easy access to raw materials, simple operation and high production efficiency, and can be widely used in the field of raw materials for chemical production. By controlling the reaction conditions and improving the degree of automation of equipment, product quality and production efficiency can be further improved, production costs can be reduced, and greater economic benefits can be created for enterprises. At the same time, strengthen the monitoring and management of the production process, ensure product quality and production safety, and contribute to the sustainable development of the chemical industry.

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