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[Chemical Knowledge]：Production and manufacturing method and process flow of isopropyl acetate

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The manufacturing method
of isopropyl acetate
Isopropyl acetate is an important organic chemical raw material, which is widely used in paint, printing ink, leather, medicine, pesticide and other fields. This article will introduce the manufacturing method of isopropyl acetate.

1. raw materials and equipment

1. raw materials: acetic acid, isopropyl alcohol, catalyst (sulfuric acid or hydrochloric acid)
2. equipment: reaction kettle, condenser, separator, distillation tower, storage tank and other

2. manufacturing process

1. feeding: the quantitative acetic acid, isopropyl alcohol and catalyst into the reaction kettle.
2. reaction: open the stirring, heating the reaction kettle, so that the material at a certain temperature reaction. The reaction temperature was controlled to avoid the occurrence of side reactions.
3. Separation: After completion of the reaction, the reaction solution was introduced into a water separator to separate unreacted acetic acid and isopropanol.
4. Distillation: Distillation of isopropyl acetate in the water separator to obtain a product with high purity.
5. Packing: Put the finished isopropyl acetate into a special storage tank or packaging barrel.

3. operation points

1. Strictly control the reaction temperature to avoid too high or too low temperature affecting product quality and yield.
2. The water separator should discharge the unreacted acetic acid and isopropanol in time to maintain the water separation effect.
3. In the process of distillation, the temperature of the top and bottom of the tower should be controlled to ensure the quality of the products.
4. Maintain and maintain the equipment regularly to ensure the normal operation of the equipment.

4. safety and environmental protection

1. Strictly abide by the safety operation procedures during operation to avoid accidents such as fire and explosion.
2. Waste water, waste gas and other pollutants shall be treated and discharged after reaching the national emission standards.
3. The production equipment shall be sealed to reduce the phenomenon of running, emitting, dripping and leaking in the production process.

5. Quality Control

1. Quality inspection of raw materials to ensure that the quality of raw materials meets production requirements.
2. Real-time monitoring of the production process to find and solve problems in time.
3. Quality inspection of finished products to ensure that product quality meets national standards or customer requirements.

In short, the manufacture of isopropyl acetate requires strict compliance with operating procedures and safety and environmental protection requirements, and control of raw material quality, reaction conditions, separation and distillation process parameters to ensure product quality and production efficiency. At the same time, strengthen equipment maintenance and maintenance, reduce production costs, and improve the economic efficiency of enterprises.

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