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[Chemical Knowledge]：The production and manufacturing method and process flow of tert-butyl benzene acetone.

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of Tert-Butylpropiophenone Manufacturing Method
Tert-Butylprophenone (TBAP) is an important organic compound, which is widely used as a raw material for chemical production. It has unique chemical properties and can be used to manufacture a variety of polymer materials and fine chemicals. This article will introduce the manufacturing method of tert-butyl propiophenone in detail.

1. raw materials and equipment

1 raw materials: benzene acetone, tert butyl alcohol, sulfuric acid, sodium hydroxide, water, etc.
2. Equipment: reaction kettle, condenser, water separator, stirrer, thermometer, pH meter, etc.

2. Manufacturing Steps

1. tert-Butylation Reaction
Phenylacetone and tert-butanol are added into a reaction kettle in a molar ratio of 1:1.2, and a small amount of sulfuric acid is added as a catalyst. The reaction kettle was heated to 80-90°C and stirred for 4-6 hours. During the reaction, water was divided in time to ensure the smooth progress of the reaction. After the reaction has ended, the mixture is cooled to room temperature and the pH is adjusted to neutral with sodium hydroxide solution.
2. Extraction and Separation
The reaction mixture was poured into a separatory funnel, an appropriate amount of water was added, and the mixture was extracted with diethyl ether. The extraction was repeated 2-3 times and the ether layers were combined. The ether layer was washed with water until neutral and dried over anhydrous sodium sulfate. After filtration, diethyl ether was recovered by distillation to obtain crude tert-butylpropiophenone.
3. Refining
The crude tert-butylpropiophenone was added to a rectifying kettle for vacuum distillation. Fractions in the boiling point range were collected to give pure tert-butylpropiophenone.
Precautions for
3.

1. Strictly control the reaction temperature to avoid side reactions at high temperatures.
2. The water separator should drain water in time to prevent water accumulation from affecting the reaction.
3. During the extraction process, it is necessary to ensure sufficient mixing to improve the extraction efficiency.
4. Use anhydrous sodium sulfate in the drying process to ensure that the product is dry.
5. Refining process to maintain a proper degree of vacuum, to avoid product decomposition.

4. Yield and Quality

Tbutylpropiophenone is produced according to the above method, and the yield can reach 80-85%. The purity of the product can reach more than 98%, which meets the requirements of chemical production.

5. safety and environmental protection

1. Strictly abide by the safety operation procedures during the production process to ensure the safety of employees and equipment.
2. For the waste water, waste gas and other pollutants, should be properly treated, meet the requirements of environmental protection before discharge.
3. Waste materials and by-products shall be reasonably utilized or safely disposed of to avoid environmental pollution. Summary and Prospect of

6.

As an important raw material for chemical production, tert-butyl propiophenone has a wide range of applications. The manufacturing method introduced in this paper has the advantages of simple operation, high yield and good product quality, and is suitable for industrial production. With the continuous development of science and technology, we can further explore new manufacturing processes and green production technologies in the future, improve the production efficiency and environmental friendliness of tert-butyl benzene acetone, and contribute to the sustainable development of the chemical industry.

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