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

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of manufacturing method
of cycloheptanol Cycloheptanol is an important raw material for chemical production, which is widely used in medicine, pesticide, spice and other fields. This article will introduce the manufacturing method of cycloheptanol, including raw material selection, reaction principle, operation steps, equipment requirements and so on.

1. raw material selection

cycloheptanol manufacturing raw materials are mainly cycloheptanone and hydrogen. Among them, cycloheptanone is a common chemical raw material, which can be synthesized by phenol, acetone and other compounds. Hydrogen can be produced by water electrolysis, natural gas and other methods.

2. reaction principle

cycloheptanol is mainly produced by converting cycloheptanone into cycloheptanol through hydrogenation reduction reaction. The hydrogenation reduction reaction is a reaction in which an unsaturated bond in an organic compound is reduced to a saturated bond by adding hydrogen gas. In this reaction, the carbonyl group of cycloheptanone is reduced to a hydroxyl group to produce cycloheptanol.

3. operation steps

1. add cycloheptanone into the reaction kettle and start the stirrer to make it evenly dispersed.
2. Introduce hydrogen, control the reaction temperature in the appropriate range, while maintaining a certain pressure and stirring speed.
3. During the reaction, the pH value and alcohol content of the reaction solution need to be constantly monitored in order to adjust the reaction conditions and add the catalyst in time.
4. when the content of cycloheptanol reaches a certain level, stop the introduction of hydrogen, and cool the reaction solution to room temperature.
5. Cycloheptanol is separated from the reaction solution by distillation, extraction and other methods to obtain pure cycloheptanol product.

4. equipment requires

The manufacture of cycloheptanol requires the use of hydrogenation reactors, stirrers, hydrogen compressors, distillation towers and other equipment. These equipment need to have corrosion resistance, high temperature resistance, high pressure resistance and other properties to ensure the safety and stability of the production process.
Precautions for
5.

1. In the production process, it is necessary to strictly control the reaction temperature and pressure to avoid side reactions and safety accidents.
2. It is necessary to use suitable catalysts and additives to improve reaction efficiency and product quality.
3. It is necessary to carry out regular maintenance and maintenance of production equipment and pipelines to ensure the smooth and stable production process.

In short, the manufacture of cycloheptanol requires the selection of suitable raw materials and reaction conditions, strict control of the production process, and the use of suitable equipment and catalysts to ensure product quality and production safety.

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