| 摘要 |
PURPOSE: To provide an industrially useful process for producingε-caprolactam having a quality comparable to that of the conventional products inexpensively. CONSTITUTION: In this process for production ofε-caprolactam where cyclohexanol as a hydration product of cyclohexene is dehydrogenated to cyclohexanone, which is converted into cyclohexanone oxime with hydroxylamine, further, the oxime product is subjected to the Beckmann rearrangement to be converted intoε-caprolactam, the content of methylcyclopentanol is kept lower than 200ppm in the cyclohexanol fed to the dehydrogenation process.
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