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Catalyst System Used For DCHA
The present invention has the advantage of cheap raw materials, high conversion rate, selectivity of products is good, the catalyst life is long, simple process, the continuous process, a high degree of automation, low labor intensity, low production cost, high added value can be obtained combined dicyclohexylamine, and can according to the product market demand situation, by changing the reaction conditions to adjust the composition of the product, gauge is suitable for industrialization Mold production.
The method of species co-production of cyclohexylamine and dicyclohexylamine and the catalyst system used for the method.
The method includes the following steps :
(1) the raw material aniline, cyclohexanone, ammonia, hydrogen after the loading load RhNi catalyst first section reactor, the first reaction liquid.
(2) The reaction solution containing cyclohexylamine and dicyclohexylamine was obtained through the second stage reactor loaded with RhCo catalyst.
