CO2 Adsorption Study on NiO and Pr2O3 -NiO Catalyst Synthesis Using Simple Sol-Gel Method

Nickel oxide (NiO)and praseodymium oxide mixed nickel oxide (Pr2O3-NiO) catalysts was synthesized using modified sol-gel method for CO2 adsorption. The synthesized catalysts was characterized using x-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive of x-ray (EDX) and N2 g...

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Bibliographic Details
Published in:Oriental journal of chemistry 2017, Vol.33 (4), p.1864-1870
Main Authors: Hasmizam Razali, Mohd, Ismail, Uwaisulqarni, Zul Helmi Mohd Rozaini, Mohd, Yusoff, Mahani
Format: Article
Language:English
Subjects:
Adsorbents
Adsorption
Atmosphere
Carbon dioxide
Catalysis
Catalysts
Chemical engineering
Chemical properties
Chemical synthesis
Climate change
Desorption
Fossil fuels
Gases
Industrial plant emissions
Natural gas
Nickel
Nickel oxides
Organic chemistry
Praseodymium
Praseodymium oxide
Scanning electron microscopy
Sol-gel processes
X-ray diffraction
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Summary:Nickel oxide (NiO)and praseodymium oxide mixed nickel oxide (Pr2O3-NiO) catalysts was synthesized using modified sol-gel method for CO2 adsorption. The synthesized catalysts was characterized using x-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive of x-ray (EDX) and N2 gas adsorption-desorption to study their physical and chemical properties. The capability of catalystto adsorb CO2 was tested using temperature programmed desorption of CO2 (TPD-CO2) and their interaction was also studied.It was found that, Pr2O3-NiO catalyst have a remarkable CO2 uptake capacity (331.40 µmol/g) as compared to NiO (32.53 µmol/g). This is governed by the presence of cubic Pr2O3 and less crystalline sample. Moreover smaller particle size and larger BET surface area of Pr2O3-NiO catalyst provided good chemical interactions between Pr2O3-NiO and CO2 molecules.
ISSN:0970-020X
2231-5039
DOI:10.13005/ojc/330431