• Title/Summary/Keyword: Oxidative carbonylation of aniline and methanol

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Study on Preparation of Methyl N-Phenyl Carbamate by Oxidative Carbonylation of Aniline and Methanol (아닐린과 메탄올의 산화 카르보닐화에 의한 Methyl N-phenyl carbamate 제조 연구)

  • Roh, Jong-Seon;Lee, Kwan-Young;Kim, Tae-Soon;Chang, Tae-Seon;Yoon, Byung-Tae;Kim, Seong-Bo
    • Korean Chemical Engineering Research
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    • v.56 no.1
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    • pp.119-124
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    • 2018
  • The production of methyl N-phenyl carbamate by an oxidative carbonylation method of aniline and methanol is of great interest as an environmentally friendly process that can replace the monomer production process of a polymer produce using conventional phosgene. In this study, heterogeneous catalysts were prepared by using Y-zeolite, $SiO_2$, $Al_2O_3$ as support, and oxidative carbonylation continuous operation from aniline and methanol was attempted using the prepared heterogeneous catalyst. Batch reactor was used to determine the support, and various reaction conditions such as reaction temperature, reaction pressure, and effect of promoter were established using palladium catalyst. A reaction kinetics study was conducted under optimum reaction conditions. The basic data for carbamate process development were obtained by performing continuous operation for a long time under established reaction condition.