Catalytic removal of CH4 and NOx from exhaust of CNG vehicles with CoCr2O4 nanoparticles

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Kazemizadeh Zahra; BAHRAMI ZOHREH; Parsafar Nahid

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Journal: Journal of Applied Research in Chemistry Year:2019 | Volume:13 | Issue:3 Page(s): 33-40

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Information Journal Paper

Title

Catalytic removal of CH4 and NOx from exhaust of CNG vehicles with CoCr2O4 nanoparticles

Author(s)

Kazemizadeh Zahra | BAHRAMI ZOHREH | Parsafar Nahid | Issue Writer Certificate

Keywords

CatalystQ2

Cobalt chromiteQ1

NanospinelQ1

Light offQ1

Abstract

In this study the effect of Cobalt chromite (CoCr2O4) Nanospinel on the catalytic removal of methane (CH4), as the main compound in compressed natural gas (CNG), nitrogen oxides (NOx), and carbon monoxide (CO) was investigated. For this purpose, pure and single-phase Cobalt chromite nanoparticles were synthesized by coprecipitation method with the average size about 80 nm. The characterization of the obtained nanoparticles was done using X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), and BET analysis. For the catalytic test, Cobalt chromite nanoparticles, precious metals (palladium and rhodium), gama-alumina, and cerium oxide were used as slurry in washcoat material. Catalytic activity evaluation was investigated by measuring the temperature of 50% conversion (Light off temperature) of methane, carbon monoxide, and nitrogen oxides. Reducing the Light off temperature of methane and nitrogen oxides showed Cobalt chromite Nanospinel is a suitable option for use in catalytic converter of natural gas vehicles.

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APA: Copy

Kazemizadeh, Zahra, BAHRAMI, ZOHREH, & Parsafar, Nahid. (2019). Catalytic removal of CH4 and NOx from exhaust of CNG vehicles with CoCr2O4 nanoparticles. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 13(3 ), 33-40. SID. https://sid.ir/paper/180299/en

Vancouver: Copy

Kazemizadeh Zahra, BAHRAMI ZOHREH, Parsafar Nahid. Catalytic removal of CH4 and NOx from exhaust of CNG vehicles with CoCr2O4 nanoparticles. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2019;13(3 ):33-40. Available from: https://sid.ir/paper/180299/en

IEEE: Copy

Zahra Kazemizadeh, ZOHREH BAHRAMI, and Nahid Parsafar, “Catalytic removal of CH4 and NOx from exhaust of CNG vehicles with CoCr2O4 nanoparticles,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 13, no. 3 , pp. 33–40, 2019, [Online]. Available: https://sid.ir/paper/180299/en

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