METHOD FOR PRODUCING CYCLOHEXANONE OXIME

    公开(公告)号:JP2001213854A

    公开(公告)日:2001-08-07

    申请号:JP2000024891

    申请日:2000-02-02

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing cyclohexanone oxime by a few processes in high conversion/productivity with small energy consumption under a mild reaction condition by a simple operation/facility. SOLUTION: This method for producing cyclohexanone oxime is characterized in that benzene is used as a starting raw material and production processes comprise (1) a process for partially hydrogenating (A) benzene in the presence of a catalyst (A) to give cyclohexene, (2) a process for nitrating cyclohexene to give nitrocyclohexene and (3) a process for partially hydrogenating (B) nitrocyclohexene in the presence of a catalyst (B) to give cyclohexanone oxime.

    METHOD FOR PRODUCING EPSILON-CAPROLACTAM

    公开(公告)号:JP2001213861A

    公开(公告)日:2001-08-07

    申请号:JP2000024890

    申请日:2000-02-02

    Abstract: PROBLEM TO BE SOLVED: To produce ε-caprolactam with an industrially advantageous simple method comprising small number of steps in high conversion of each step, high productivity and decreased energy consumption under a mild reaction condition with simple operation and equipment essentially without producing ammonium sulfate as a by-product while dispensing with a reaction reagent necessitating a complicate process for preparation. SOLUTION: ε-Caprolactam is produced by using benzene as a starting raw material and successively subjecting the material to partial hydrogenation, nitration, partial hydrogenation and vapor-phase rearrangement reaction.

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