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Hexamine Production Process

Hexamine Production Process

Hexamine Production process introduction The main raw materials of hexamine production are formaldehyde and ammonia. At present, the production process of hexamine at home and abroad mainly includes two methods: liquid phase method and gas phase method. Liquid and gas phase method process...

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Hexamine Production process introduction

The main raw materials of hexamine production are formaldehyde and ammonia. At present, the production process of hexamine at home and abroad mainly includes two methods: liquid phase method and gas phase method.

Liquid and gas phase method process principle

Liquid phase method is the use of 37% aqueous formaldehyde solution and ammonia reaction.
 Produce hexamine solution and then further dehydration by evaporation, finally centrifuged, dried, that is the finished product. Evaporation throughout the production process, concentration and drying need to consume a certain amount of steam, so it has high energy consumption.
 Advantages: mature technology, simple operation. And due to dehydration evaporation pot, crystal a long time, large particles, very popular with users.

Gas phase method hexamine production process

After conversion of methanol to form formaldehyde gas, Direct access to ammoniation reactor, Reacts with ammonia in the saturated mother liquor of hexamine generate hexamine.
 The most prominent feature of the process is the use of the latent heat of formaldehyde and the reaction heat of hexamine, Under vacuum conditions, water evaporates, thus saving a lot of steam and product with high purity.

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