Question

How will you synthes aniline from
nitro benzene​

Answer 1

Answer:

The invention discloses a method for preparing aniline by using nitrobenzene, which comprises the steps as follows: nitrobenzene, ethanol and a supported catalyst are respectively added into a kettle firstly, wherein, the mass of the ethanol added is 10 percent to 30 percent of that of the nitrobenzene added and the mass of the supported nickel catalyst is 3 percent to 6 percent of that of the nitrobenzene added; hydrogenation reaction is carried out at the temperature of 60 DEG C to 90 DEG C for 3 hours to 8 hours and the pressure for the hydrogenation reaction is 1.5 MPa to 3.0 MPa; solid-liquid separation is carried out after the completion of the reaction; product separation is carried out to a supernatant solution separated; and a solid catalyst separated is input into the reaction system for continuous use again..

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