Manufacturing method of ammonium persulfate
I. Introduction
Ammonium persulfate is an important inorganic chemical raw material, which is widely used in chemical industry, metallurgy, environmental protection and other fields. Due to its unique oxidizing property and stability, ammonium persulfate has an important position in the field of raw materials for chemical production. In this paper, the manufacturing method of ammonium persulfate will be introduced in detail.
II. Materials and equipment
1. Materials: ammonium persulfate, hydrogen peroxide, activated carbon, etc.
2. Equipment: reactor, stirrer, filter, dryer, etc.
III. Manufacturing method
1. Preparation of ammonium sulfate solution: dissolve ammonium sulfate in water to make a certain concentration of solution.
2. Addition of hydrogen peroxide: Under the condition of stirring, add hydrogen peroxide into ammonium sulfate solution slowly, and control the reaction temperature at the same time.
3. Activated carbon adsorption: add activated carbon to adsorb impurities in the solution.
4. Crystallization and separation: cool the solution to a certain temperature, precipitate ammonium persulfate crystals, and then centrifugal separation.
5. Drying and Packing: Dry the separated ammonium persulfate crystals, and then pack them.
4. Precautions
1. Control the reaction temperature: the addition of hydrogen peroxide should control the reaction temperature to avoid decomposition caused by overheating.
2. Selection and dosage of activated carbon: activated carbon with good adsorption performance should be selected, and the dosage should be determined according to the impurities in the solution.
3. Control of crystallization conditions: factors such as the control of crystallization temperature and the influence of stirring speed will affect the crystallization effect of ammonium persulfate.
V. Conclusion
The manufacturing method of ammonium persulfate involves a number of links, and requires strict control of the reaction conditions to ensure the quality and yield of the product. Through the manufacturing method introduced in this paper, the product of ammonium persulfate with high purity and good stability can be produced, which can provide high-quality raw materials for the production of chemicals.
VI.Prospects and Suggestions
With the continuous development of science and technology, there will be more research and improvement for the manufacturing method of ammonium persulfate. In the future, we can further explore the new reaction system, optimize the production process and improve the production efficiency and quality of ammonium persulfate. At the same time, the environmental protection management in the production process can be strengthened to reduce energy consumption and waste emission, so as to realize green production. In addition, research on the application of ammonium persulfate in other fields can be carried out to expand its application scope and make greater contributions to the development of the chemical industry.
In conclusion, as an important chemical raw material, the improvement and development of the manufacturing method of ammonium persulfate is of great significance for improving the production efficiency of chemicals and reducing costs. In the future, in-depth research and improvement of the manufacturing method of ammonium persulfate can be continued to meet the demand for high quality ammonium persulfate in different fields.