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[Chemical Knowledge]：Production and manufacturing method and process of tetrahydrofurfuryl alcohol

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Tetrahydrofurfuryl alcohol (THF) is an important organic chemical raw material, widely used in the synthesis of pharmaceuticals, pesticides, spices, dyes and other fine chemicals. This article will introduce the manufacturing method of tetrahydrofurfuryl alcohol, including raw material preparation, reaction process, post-treatment and other steps.

1. Feedstock Preparation

The main feedstocks for the manufacture of tetrahydrofurfuryl alcohol are furan and hydrogen. Furan is a colorless, flammable, toxic liquid with a special odor. Hydrogen is a colorless, odorless, insoluble in water gas, with reducing. Before preparing tetrahydrofurfuryl alcohol, the raw material needs to be pre-treated to ensure its purity and reactivity.

2. reaction process

1. Catalytic hydrogenation

catalytic hydrogenation is one of the commonly used methods for the manufacture of tetrahydrofurfuryl alcohol. The method is in the role of catalyst, the furan and hydrogen pressure reaction, the generation of tetrahydrofurfuryl alcohol. Commonly used catalysts include metal catalysts such as nickel, palladium, and platinum. The temperature and pressure need to be controlled during the reaction to ensure the smooth progress of the reaction.

2. electrolytic reduction method

electrolytic reduction method is a relatively new method for manufacturing tetrahydrofurfuryl alcohol. The method is to reduce furan to tetrahydrofurfuryl alcohol by electrolysis. Electrolytes and electrodes are used in the electrolysis process, and the current and voltage are controlled to ensure the efficiency and selectivity of the reaction.

3. post-treatment
After the
reaction is completed, the product needs to be post-treated to obtain tetrahydrofurfuryl alcohol with higher purity. It usually includes distillation, extraction, crystallization and other steps to remove impurities and improve the purity of the product. At the same time, the waste needs to be treated to avoid pollution to the environment.

4. precautions

in the process of manufacturing tetrahydrofurfuryl alcohol, need to pay attention to safety matters, such as wearing protective equipment, avoid open flames, etc. At the same time, it is necessary to strictly control the reaction conditions and post-treatment process to ensure the quality and yield of the product.

In short, the manufacturing method of tetrahydrofurfuryl alcohol needs to be selected and optimized according to specific production conditions and requirements to ensure product quality and economy.

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