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

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The manufacturing method
of sodium persulfate
1. Introduction

Sodium persulfate is an important chemical product, widely used in water treatment, bleaching, oxidation and other processes. Mastering the manufacturing method of sodium persulfate is of great significance to chemical production. This article will introduce the manufacturing method of sodium persulfate in detail, including raw material preparation, reaction process, post-treatment and other processes.

2. raw material preparation

1. sodium sulfate: select high purity sodium sulfate as raw material, to ensure product quality.
2. Hydrogen peroxide: Select qualified hydrogen peroxide to ensure the reaction effect.

3. reaction process

1. sodium sulfate dissolved in a certain amount of water, made of sodium sulfate solution.
2. Under the condition of stirring, slowly add hydrogen peroxide, while controlling the reaction temperature, avoid overheating to cause side reactions.
3. Continue stirring, so that hydrogen peroxide and sodium sulfate fully react to generate sodium persulfate.

4. Post-treatment

1. The sodium persulfate solution generated by the reaction is centrifuged to remove impurities.
2. The supernatant after centrifugation is concentrated to obtain a concentrated solution of sodium persulfate.
3. The concentrate is subjected to crystallization to obtain sodium persulfate crystals.
4. The sodium persulfate crystals are dried to obtain the final sodium persulfate product.
Precautions for
5.

1. During the operation, the reaction temperature and time should be strictly controlled to avoid the occurrence of side reactions.
2. centrifugal separation to ensure that impurities removed clean, to ensure product quality.
3. The temperature and humidity should be controlled during the drying process to avoid moisture or deterioration of the product.

6. summary The manufacturing method of

sodium persulfate includes raw material preparation, reaction process and post-treatment process. In the process of operation should pay attention to control the reaction conditions, to ensure product quality. Mastering the manufacturing method of sodium persulfate is of great significance to chemical production and can provide guidance for actual production.

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