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[Chemical Knowledge]：Production method and process of tert-butyl acetate

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Manufacturing method
of tert-butyl acetate
tert-butyl acetate is an important organic chemical raw material, which is widely used in medicine, pesticide, plastic, spice and other fields. This article will introduce the manufacturing method of tert-butyl acetate.

1. raw materials and equipment

1. raw materials: acetic acid, tert-butyl alcohol, catalyst (sulfuric acid or hydrochloric acid)
2. equipment: reaction kettle, condenser, water separator, stirrer, thermometer, pH meter and other

2. manufacturing steps

1. feeding: the measured tert-butyl alcohol is added into the reaction kettle, and then the catalyst is added.
2. Heating reaction: start the stirrer, slowly heat the reaction kettle, keep the temperature within a certain range, so that tert-butyl alcohol and acetic acid esterification reaction.
3. Separation and purification: After completion of the reaction, the reaction solution was cooled to room temperature to separate unreacted raw materials and by-products, and then purified by distillation to obtain tert-butyl acetate.
Precautions for
3.

1. Strictly control the reaction temperature to prevent side reactions caused by excessive temperature.
2. Adjust the amount of catalyst in time according to the reaction process to ensure the smooth progress of the reaction.
3. In the process of separation and purification, pay attention to the operation specifications to avoid product contamination.

4. safety and environmental protection

1. Strictly abide by safety regulations during operation and avoid contact with fire and heat sources.
2. Waste catalysts and by-products should be properly disposed to avoid environmental pollution.

5. Quality Control

1. Quality inspection of raw materials to ensure that the purity of raw materials meets the requirements.
2. Real-time monitoring of the production process to ensure stable product quality.
3. Quality inspection of the finished product to ensure that the product meets the relevant standards.

In short, the manufacture of tert-butyl acetate needs to strictly abide by the operating procedures, pay attention to safety and environmental protection, and ensure product quality. By mastering appropriate manufacturing methods, economic and social benefits can be created for enterprises.

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