Manufacturing method of sodium perborate
I. Introduction
Sodium perborate is an important chemical, widely used in washing, bleaching, oxidizing and other fields. With the continuous development of science and technology, the manufacturing method of sodium perborate is also being improved and optimized. In this paper, a manufacturing method of sodium perborate will be introduced, aiming at improving the production efficiency, reducing the cost and improving the product quality.
II. Raw materials and equipment
1. Raw materials: boric acid, sodium hydroxide, hydrogen peroxide.
2. Equipment: reaction kettle, stirrer, thermometer, pH meter, centrifuge, dryer and so on.
3. Manufacturing steps
1. Add boric acid and sodium hydroxide into the reaction kettle in a certain proportion and stir well to produce sodium borate solution.
2. Under stirring, slowly add hydrogen peroxide, control the addition speed and keep the reaction temperature within a certain range.
3. During the reaction, use a pH meter to monitor the pH change of the solution and adjust the addition rate of hydrogen peroxide according to the pH change.
4. At the end of the reaction, the sodium perborate solution was centrifuged to obtain sodium perborate solid.
5. Wash the sodium perborate solid with water to remove impurities, and then dry the solid to obtain finished sodium perborate.
4. Precautions
1. Control the reaction temperature to avoid too high or too low, which will affect the reaction speed and product quality.
2. Control the adding speed of hydrogen peroxide to avoid too fast leading to local concentration too high, which will cause safety accidents.
3. Keep the stirring in the reaction kettle uniform, avoid solid precipitation, affecting the reaction effect.
4. Pay attention to the operation specification during washing and drying to avoid product contamination or loss.
5. Conclusion
The manufacturing method of sodium perborate introduced in this paper has the advantages of easy availability of raw materials, simple operation and high production efficiency, which 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 the equipment, the product quality and production efficiency can be further improved, the production cost can be reduced, and greater economic benefits can be created for the enterprise. At the same time, strengthen the monitoring and management of the production process to ensure product quality and production safety, to promote the sustainable development of the chemical industry to make contributions.
