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A modified heteropoly acid catalyst with cetyltrimethylammonium bromide for methacrolein to methacrylic acid

  • Yun Li Cao
  • , Lei Wang
  • , Li Long Zhou
  • , Bao Hua Xu
  • , Yan Yan Diao
  • , Suo Jiang Zhang*
  • *此作品的通讯作者
  • CAS - Institute of Process Engineering
  • Pingdingshan University
  • University of Chinese Academy of Sciences

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

A novel type of heteropolyacids, CTAB-CsH3PMo11VO40 (CTA-CsPAV), was developed by a method of emulsion synthesis using cetyltrimethyl ammonium bromide (CTAB) as the structure promoter, which was applied as a catalyst in the oxidation of methacrolein (MAL) to methacrylic acid (MAA) with fixed-bed reactor. The structure and property of CTA-CsPAV were characterized by FT-IR, XRD, nitrogen adsorption-desorption, NH3-TPD, SEM, XPS, and so on. The structure-performance relationship of CTA-CsPAV was systematically studied, wherein the influence of surface area, acidity, redox property of CTA-CsPAV were focused and discussed. Importantly, the long-term performance of CTA-CsPAV was also investigated.

源语言英语
页(从-至)254-263
页数10
期刊Journal of Industrial and Engineering Chemistry
卷65
DOI
出版状态已出版 - 25 9月 2018
已对外发布是

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