Effects of strontium and copper substitution on the catalytic performance of LaCoO3 in the combustion of methane: an optimization study

الموضوعات : Iranian Journal of Catalysis

Hamzeh Rezaei Shadegan ¹ , Sarah Maghsoodi ² , Bijan Ghanavati ³ , Amirhossein Shahbazi Kootenaei ⁴ , Alireza Azimi ⁵

1 - Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
2 - Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
3 - Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
4 - Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
5 - Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran

تاريخ الإرسال : 24 الجمعة , ذو الحجة, 1441 تاريخ التأكيد : 11 الجمعة , رمضان, 1442 تاريخ الإصدار : 20 الثلاثاء , شوال, 1442

الکلمات المفتاحية: methane, Copper, Cobalt, Perovskite, strontium,

ملخص المقالة :

Cobalt-based perovskites containing strontium and copper (La1-xSrxCo1-yCuyO3) were synthesized by the sol-gel method and characterized by XRD, H2-TPR, N2-adsorbtion, XRF and XPS techniques. The XRD results showed that the rhombohedral structure of perovskites was obtained. The activation energy employed to analyze the activities of samples in the combustion of methane was optimized using full factorial design (FD) by considering strontium (x=0, 0.1 and 0.2) and copper (y=0, 0.25 and 0.5) as the input variables. Analysis of Variance (ANOVA) was employed to investigate the obtained data and a p

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