Catalytic Materials

Effect of structure of copper-based catalyst on adsorption and diffusion of mixed solution of unsaturated aldehydes and fatty alcohol

  • LIU Zenghui ,
  • SONG Bingjie ,
  • CHEN He ,
  • SUN Peiyong ,
  • CHAI Wenzheng ,
  • ZHANG Shenghong ,
  • FU Songbao ,
  • YAO Zhilong
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  • 1. College of New Materials and Chemical Engineering,Beijing Institute of Petrochemical Technology,Beijing 102617,China
    2. Beijing Key Laboratory of Enze Biomass Fine Chemical,Beijing 102617,China
    3. CNOOC Research Institute of Chemical Engineering and New Materials,Beijing 102209,China

Received date: 2023-03-28

  Online published: 2023-12-14

Abstract

The development of non chromium catalysts in the process of preparing 2-propylheptanol from aldehyde hydrogenation is the key to achieving the greening of the process.The adsorption and diffusion characteristics of the mixed solution of 2-propylheptenal and 2-propylheptanol for copper silicon,copper chromium,and copper zinc aluminum three different copper-based composite oxides were investigated by adsorption diffusion method.And combined the structural characteristics of three different copper-based composite oxides,it was coupled with the hydrogenation performance of 2-propylheptenal in liquid phase.The results showed that 2-propylheptaneal adsorbed preferentially by copper silicon composite oxides at all concentration ranges,however,for copper-zinc and copper-chromium composite oxides,2-propylheptaneal adsorbed preferentially only while the mass fraction of 2-propylheptenal in the mixed solution was higher than 4.6% and 4.1% respectively.The adsorption selectivity,diffusion coefficient,and hydrogenation performance for 2-propylheptylenal of copper chromium composite oxide were optimal in liquid phase.

Cite this article

LIU Zenghui , SONG Bingjie , CHEN He , SUN Peiyong , CHAI Wenzheng , ZHANG Shenghong , FU Songbao , YAO Zhilong . Effect of structure of copper-based catalyst on adsorption and diffusion of mixed solution of unsaturated aldehydes and fatty alcohol[J]. Inorganic Chemicals Industry, 2023 , 55(12) : 152 -158 . DOI: 10.19964/j.issn.1006-4990.2023-0171

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