Manufacturing method of sodium molybdate
I. INTRODUCTION
Sodium molybdate is an important raw material for the production of chemicals, which is widely used in the fields of metallurgy, petroleum, chemical industry, medicine and agriculture. With the continuous development of science and technology, the manufacturing method of sodium molybdate has been improved and optimized, which improves the production efficiency and product quality. This article will introduce the manufacturing method of sodium molybdate, including raw material preparation, reaction process, post-treatment and other steps.
II, raw material preparation
The main raw materials for manufacturing sodium molybdate are molybdic acid and sodium base. Molybdic acid is generally provided in the form of ammonium molybdate, while sodium base can be sodium hydroxide or sodium carbonate. In order to ensure the quality of the product, it is necessary to choose raw materials with higher purity.
III. Reaction Process
1. Dissolve: Dissolve ammonium molybdate and sodium base in a certain amount of water to make ammonium molybdate solution and sodium base solution respectively.
2. Mixing: Mix ammonium molybdate solution and sodium base solution together according to a certain proportion and stir well.
3. Reaction: The mixed solution is reacted at a certain temperature and pressure to produce sodium molybdate.
4. Filtration: After the reaction, the solution is filtered to remove impurities and insoluble substances.
5. Crystallization: The filtered solution is crystallized to obtain sodium molybdate crystals.
4. Post-treatment
1. Washing: Wash the crystallized sodium molybdate crystals with a certain amount of water to remove the impurities attached to the surface.
2. Drying: Dry the washed sodium molybdate crystals to obtain the final sodium molybdate product.
V. Precautions
1. Control the reaction temperature and pressure to ensure the smooth progress of the reaction.
2. Pay attention to safety during operation and avoid contacting alkaline substances and dust of molybdate.
3. Maintain proper temperature and humidity during washing and drying to avoid damage and deterioration of the product.
VI.CONCLUSION
The manufacturing method of sodium molybdate includes the steps of raw material preparation, reaction process, and post-processing, which need to control the reaction conditions and operation process to ensure the quality and yield of the product. With the continuous development and progress of science and technology, the manufacturing method of sodium molybdate will be continuously improved and optimized to enhance the production efficiency and economic benefits.
