Journal of Health Sciences & Surveillance System

Catalytic oxidation of carbon monoxide from vented gas space heaters using alumina foam supported CuMnOx Nanocatalyst

Document Type : Original Article

Authors

Alireza Abbasi 1
Saeed Yosefinejad 2
Shima Bahrami 1
Mohamad Hoseini 3

1 Department of Environmental Health Engineering, School of Health, Student research committee, Shiraz University of Medical Sciences, Shiraz, Iran

2 Department of occupational health engineering, Shiraz university of medical science, Iran

3 Research Center for Health Sciences, Institute of Health, Department of Environmental Health, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran-

https://doi.org/10.30476/jhsss.2020.84882.1047
Abstract
Introduction: Carbon monoxide (CO) is an odorless, tasteless, colorless, and nonirritating poisonous gas, recognized as the silent killer for the 21st century. It is produced during partial combustion of carbon-containing compounds. Improper ventilation and flue installation of vented gas space heaters cause carbon monoxide gas to penetrate the building, leading to many deaths annually. The catalytic oxidation of CO has received great attention due to its applications in different fields. In this study, alumina foam coated by CuMnOx catalyst was used to remove CO from the vented gas space heaters.
Method: This is a full-scale experimental study on the outflow from vented gas space heaters. Alumina foam supported hopcalite (CuMnOx) catalyst was synthesized using a co-precipitation method for CO oxidation from THE vented gas space heaters. The XRD and SEM were used to characterize the synthesized catalyst. The concentration of CO was measured by IMR 1500 combustion gas analyzer.
Result:  The particle size of the catalyst was in the range of 200-600 nm. XRD showed different crystallizations, and the crystal size was in the range of 20 -120 nm.  There was no significant CO removal in the case of using uncoated alumina foam. Results showed CuMnOx catalyst significantly increased the CO removal. The removal efficiencies were 83% and 89% in heating powers of 2300 and 3200 kcal/hr, respectively. The average CO conversation rate was approximately 60.45 µg/gr.min.
Conclusion: CuMnOx coated on alumina has a significant effect on CO removal from the vented gas space heaters. The catalyst and outlet gas temperature were the most important factors affecting CO removal. 

Keywords

Carbon monoxide
hopcalite
Air Pollution
Indoor
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Journal of Health Sciences & Surveillance System
Volume 7, Issue 2
April 2019
Pages 60-66

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