Paper Information

Journal:   IRANIAN JOURNAL OF CHEMICAL ENGINEERING   SUMMER 2013 , Volume 10 , Number 3; Page(s) 51 To 59.
 
Paper: 

SYNTHESIS AND CHARACTERIZATION OF NANOSTRUCTURED CUO/CEO2 CATALYSTS VIA ULTRASOUND ASSISTED TECHNIQUES USED FOR SELECTIVE OXIDATION OF CO

 
 
Author(s):  KARIMI A., FATEHIFAR E.*, ALIZADEH R.
 
* ENVIRONMENTAL ENGINEERING RESEARCH CENTER (EERC), FACULTY OF CHEMICAL ENGINEERING, SAHAND UNIVERSITY OF TECHNOLOGY, SAHAND NEW TOWN, TABRIZ, IRAN
 
Abstract: 

In this study, CuO/CeO2 Nano-catalyst was successfully prepared by impregnation-ultrasound assisted methods and used for selective oxidation. This catalyst has been characterized by means of XRD, BET, FTIR and SEM. The results show that CuO/CeO2 is nanosized (rSEM <100 nm) and BET surface area of tested materials was in the range of 45–76 m2/g. CuO is the active phase for selective CO oxidation, even operating at a gas hourly space velocity as high as 30000 h-1. The catalysts CuO/CeO2 exhibit the CO conversion 100% in the wide temperature range of 100–120°C, and with the CO oxidation selectivity greater than 86% at 100?C.

 
Keyword(s): NANOCATALYST, SELECTIVE OXIDATION, COPPER OXIDE CERIA, ULTRASOUND ENERGY
 
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