Catalytic Materials

Preparation of CuO@HHSS catalyst and its catalytic properties for reduction of p-nitrophenol

  • Meng Chen ,
  • Wanliang Yang ,
  • Yingnan Duan ,
  • Mengkui Tian
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  • School of Chemistry and Chemical Engineering,Guizhou University,Guiyang 550025,China

Received date: 2020-08-11

  Online published: 2020-12-15

Abstract

On the basis of preparing hollow silica sphere(HHSS) by hydrothermal method,CuO@HHSS composite catalysts were prepared with copper nitrate as raw material by ultrasonic assisted-impregnation method.The morphology and structure of the prepared catalyst were characterized by means of X-ray diffraction(XRD),nitrogen adsorption and desorption,X-ray photoelectron spectroscopy(XPS),scanning electron microscopy(SEM) and transmission electron microscopy(TEM) etc..Results showed that the CuO@HHSS catalyst still maintained the hierarchical nano hollow structure of HHSS.CuO particles were highly dispersed on the HHSS surface,which showed a high specific surface area(488.9 m2/g).The catalytic reduction reaction of p-nitrophenol(4-NP) was used as a model reaction to investigate the catalytic performance of CuO and CuO@HHSS catalysts for reduction of 4-NP.The results revealed that CuO@HHSS had excellent catalytic performance at different 4-NP concentrations and catalyze NaBH4 to convert 4-NP to p-aminophenol(4-AP) within 200 s.

Cite this article

Meng Chen , Wanliang Yang , Yingnan Duan , Mengkui Tian . Preparation of CuO@HHSS catalyst and its catalytic properties for reduction of p-nitrophenol[J]. Inorganic Chemicals Industry, 2020 , 52(12) : 92 -97 . DOI: 10.11962/1006-4990.2020-0424

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