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

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The manufacturing method
of sodium molybdate
1. Introduction

sodium molybdate is an important chemical raw material, widely used in metallurgy, petroleum, chemical industry, medicine, agriculture and other fields. With the continuous development of science and technology, the manufacturing method of sodium molybdate is constantly 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.

2. Raw Material Preparation

The main raw materials for the manufacture of sodium molybdate are molybdic acid and sodium base. The molybdic acid is typically provided in the form of ammonium molybdate and the sodium base may be sodium hydroxide or sodium carbonate. In order to ensure the quality of the product, it is necessary to select raw materials with higher purity.

3. reaction process

1. Dissolve: Dissolve ammonium molybdate and sodium alkali respectively in a certain amount of water to make ammonium molybdate solution and sodium alkali solution.
2. Mixing: Mix ammonium molybdate solution and sodium alkali solution in a certain proportion and stir evenly.
3. Reaction: The mixed solution reacts at a certain temperature and pressure to generate sodium molybdate.
4. Filtration: After completion of the reaction, the solution was filtered to remove impurities and insoluble materials.
5. Crystallization: The filtered solution was subjected to crystallization treatment to obtain sodium molybdate crystals.

4. Post-treatment

1. Washing: The crystallized sodium molybdate crystals are washed with a certain amount of water to remove impurities attached to the surface.
2. Drying: The washed sodium molybdate crystals are dried to obtain the final sodium molybdate product.

5. 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 contact with alkaline substances and molybdate dust.
3. Maintain proper temperature and humidity during washing and drying to avoid product damage and deterioration.

6. Conclusion The manufacturing method of

sodium molybdate includes raw material preparation, reaction process, post-treatment and other steps. It is necessary 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 improve production efficiency and economic benefits.

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