Catalytic Oxidation of Carbon Monoxide Using Copper-Zinc Mixed Oxide Nanoparticles Supported on Diatomite

authors:

avatar Saeed Athar 1 , avatar Hasan Asilian 1 , *

Environmental and Occupational Health Engineering Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, IR Iran
Health Scope: Vol.1, issue 2; e93531
published online: August 30, 2012
article type: Research Article
received: May 13, 2019
accepted: March 14, 2012
DOI: https://doi.org/0.5812/jhs.4590

how to cite: Athar S, Asilian H. Catalytic Oxidation of Carbon Monoxide Using Copper-Zinc Mixed Oxide Nanoparticles Supported on Diatomite. Health Scope. 2012;1(2):e93531. https://doi.org/0.5812/jhs.4590.

Abstract

Background: Diatomite coated by nanoparticles of copper and zinc mixed oxides were used to investigate catalytic oxidation of carbon monoxide.
Objectives: Aim of this paper was to investigatediatomite performance as a supporting host to confine the CuO and ZnO nanoparticles and its catalytic activity for carbon monoxide oxidation.
Materials and Methods: The prepared catalysts were characterized by Brunauer-Emmett-Teller (BET) surface area, scanning electron microscopy (SEM) and X-ray diffraction (XRD). Catalytic behavior for CO oxidation was studied at different conditions in a tubular reactor packed with catalyst.
Results: The results illustrated that diatomite is the promising candidate for catalyst support due to its unique characteristics. The variation of catalytic activity of the prepared composite catalysts withdifferent molar fractions of CuO and ZnO for CO oxidation in different reaction temperatures was investigated. It was found that a CO conversion of 100% can be achieved at 300 ºC over catalyst with 80 mol% CuO and 20 mol% ZnO content.

References

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