SYNTHESIS AND ACTIVITY TESTS OF NANO PEROVSKITE CATALYSTS FOR CO COMBUSTION

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SEYFI BAHMAN; BAGHALHA MORTEZA

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Seminar Paper

Paper Information

Seminar: FUEL AND COMBUSTION CONFERENCE OF IRAN
Year:2008 | Issue:2

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Title

SYNTHESIS AND ACTIVITY TESTS OF NANO PEROVSKITE CATALYSTS FOR CO COMBUSTION

Author(s)

SEYFI BAHMAN | BAGHALHA MORTEZA

Keywords

COMBUSTION

PEROVSKITE

CATALYST

LANTHANUM

COBALT

ACTIVITY

Abstract

MODIFIED PEROVSKITE-TYPE OXIDES WERE SYNTHESIZED BASED ON TWO DIFFERENT METHODS, NAMELY CO-PRECIPITATION AND CONVENTIONAL CITRATE. THE SYNTHESIZED PEROVSKITE MATERIALS HAD THE NOMINAL COMPOSITIONS OF LACOO3, LACO0.8CU0.2O3, LA0.8SR0.2CO0.8CU0.2O3, LA0.8M0.2FE0.8O3 (WHERE M=CE AND SR). THE CATALYTIC ACTIVITY OF PEROVSKITE SAMPLES TOWARD CO COMBUSTION WERE MEASURED USING A GAS MIXTURE CONTAINING N2/O2/CO IN THE FOLLOWING PROPORTIONS 97/1/2. THE PREPARED PEROVSKITE SAMPLES WERE CHARACTERIZED BY SEM, NITROGEN ADSORPTION (BET), XRF AND XRD ANALYSES. ALL THE CATALYSTS DISPLAYED GOOD STABILITY ABOVE 600°C AND A HIGH ACTIVITY TOWARD CO COMBUSTION. OUR NOVEL PROPOSED PEROVSKITE COMPOSITION, NAMELY LA0.8SR0.2CO0.8CU0.2O3 SHOWED THE HIGHEST ACTIVITY FOR ACHIEVING CO CONVERSION ABOVE 80%. WHILE HOMOGENEOUS GAS-PHASE COMBUSTION OF CO REQUIRES TEMPERATURES IN EXCESS OF 700°C TO ACHIEVE FAIR KINETICS, OUR NOVEL CATALYST SAMPLE ACHIEVED 100%CO COMBUSTION AT 355°C.

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APA: Copy

SEYFI, BAHMAN, & BAGHALHA, MORTEZA. (2008). SYNTHESIS AND ACTIVITY TESTS OF NANO PEROVSKITE CATALYSTS FOR CO COMBUSTION. FUEL AND COMBUSTION CONFERENCE OF IRAN. SID. https://sid.ir/paper/906353/en

Vancouver: Copy

SEYFI BAHMAN, BAGHALHA MORTEZA. SYNTHESIS AND ACTIVITY TESTS OF NANO PEROVSKITE CATALYSTS FOR CO COMBUSTION. 2008. Available from: https://sid.ir/paper/906353/en

IEEE: Copy

BAHMAN SEYFI, and MORTEZA BAGHALHA, “SYNTHESIS AND ACTIVITY TESTS OF NANO PEROVSKITE CATALYSTS FOR CO COMBUSTION,” presented at the FUEL AND COMBUSTION CONFERENCE OF IRAN. 2008, [Online]. Available: https://sid.ir/paper/906353/en

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