Typical production process of 1,6-hexanediol

The typical production process of 1,6-hexanediol is an important solvent and polyether raw material. The following is the typical production process of this compound:
1. Raw material preparation: Prepare cyclohexane and oxygen as raw materials. Meanwhile, in order to increase the yield, catalysts such as copper, aluminum, etc. can be added.
2. Oxidation reaction: Add the raw material cyclohexane into the reaction vessel, and convert cyclohexane into cyclohexanone through oxidation reaction. This reaction needs to be carried out under high temperature and high pressure conditions, with the addition of an appropriate amount of oxygen and catalyst.
3. Cyclohexanone hydration: The generated cyclohexanone is subjected to a hydration reaction, and the resulting cyclohexanol is separated from cyclohexanone. This reaction is usually carried out in the presence of a catalyst.
4. Redox: Add cyclohexanol to the reaction vessel and convert it to 1,6-hexanediol through a redox reaction. This reaction needs to be carried out at an appropriate temperature and in the presence of a catalyst.
5. Distillation separation: The reaction mixture is subjected to distillation separation to obtain high-purity 1,6-hexanediol. Usually, it is carried out through methods such as cascade distillation or extraction.
6. Product purification: By further processing such as distillation, crystallization, etc., the purity of the product can be improved. At the same time, alkaline washing, decolorization and other operations can be carried out to remove impurities.
7. Product storage: Finally, store the purified 1,6-hexanediol in a suitable container, and package and label it appropriately to ensure the quality and safety of the product.

This is a typical production process of 1,6-hexanediol, and the specific operating conditions and steps may vary slightly depending on different manufacturers and processes.