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[Chemical Knowledge]：Manufacturing method and process flow of sodium D-gluconate

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The manufacturing method
of sodium D-gluconate
1. Introduction

Sodium D-gluconate is an important chemical raw material, widely used in food, medicine, chemical industry and other fields. Due to its unique properties and wide applications, the manufacturing method of sodium D-gluconate has attracted much attention. This article will introduce the manufacturing method of sodium D-gluconate in detail, including raw material preparation, reaction process, post-treatment and other steps.

2. Raw Material Preparation

The production of sodium D-gluconate requires a large amount of raw materials mainly including D-glucose, sodium hydroxide and purified water. Among them, the quality of D-glucose has an important influence on the purity and yield of the final product, so it is necessary to select high quality D-glucose as the raw material. At the same time, sodium hydroxide also requires strict control of purity to avoid the introduction of impurities. As a solvent, pure water needs to be ensured to avoid adverse effects on the reaction.

3. reaction process

The manufacture of sodium D-gluconate mainly adopts the method of chemical synthesis, the specific steps are as follows:

1. add D-glucose into pure water and stir evenly to make glucose solution.
2. Add sodium hydroxide to pure water to make sodium hydroxide solution.
3. The sodium hydroxide solution is slowly added to the glucose solution while stirring, so that the two are fully reacted.
4. Control the reaction temperature and time to produce sodium D-gluconate sufficiently.

4. post-treatment
After the end of the
reaction, the product needs to be post-treated to obtain pure sodium D-gluconate. The specific steps are as follows:

1. Filtering the reaction solution to remove impurities and unreacted raw materials.
2. The filtrate is concentrated to obtain a concentrated solution.
3. Crystallization of the concentrate to obtain sodium D-gluconate crystals.
4. The crystals are dried to obtain pure sodium D-gluconate.

5. precautions

In the manufacturing process of sodium D-gluconate, the following matters need to be paid attention to:

1. Control the reaction temperature and time to avoid overreaction or underreaction.
2. Strictly control the purity of raw materials to avoid the introduction of impurities.
3. In the post-processing process, it is necessary to pay attention to the operation specifications to avoid pollution or loss of the product.

6. Conclusion The manufacturing method of

sodium D-gluconate mainly includes the steps of raw material preparation, reaction process and post-treatment. In the manufacturing process, it is necessary to strictly control parameters such as raw material purity, reaction temperature and time to ensure product quality and yield. At the same time, in the post-processing process, it is also necessary to pay attention to the operation specifications and safety to avoid pollution or loss of the product. In short, mastering the correct manufacturing method of sodium D-gluconate is of great significance for improving product quality and reducing production costs.

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