Study on spinel - typed catalyst NiCo2O4 for total oxidation of toluene

Nhung Hong Nguyen; Hung Khong Manh; Thang Minh Le; Phuong Pham Thi Mai; Nam Chu Thi Hai

doi:10.51316/jca.2021.075

Authors

Nhung Hong Nguyen School of Chemical Engineering, Hanoi University of Science and Technology, Vietnam
Hung Khong Manh School of Chemical Engineering, Hanoi University of Science and Technology, Vietnam
Thang Minh Le School of Chemical Engineering, Hanoi University of Science and Technology, Vietnam
Phuong Pham Thi Mai Advanced Institute of Science and Technology, Hanoi University of Science and Technology, Vietnam
Nam Chu Thi Hai School of Chemical Engineering, Hanoi University of Science and Technology, Vietnam

DOI:

https://doi.org/10.51316/jca.2021.075

Keywords:

Toluene, total oxidation, Spinel-typed catalyst, NiCo2O4

Abstract

Toluene is a component of volatile organic compounds which need to be converted into non-poisonous one. Thus, we study the spinel-typed catalyst as NiCo₂O₄ for total oxidation of toluene because the advantage of spinel catalyst is multi- defective. Based on the sol-gel method, the catalysts NiCo₂O₄ were successfully prepared with different ratios of Ni/Co. The characteristic properties of catalysts were evaluated by XRD, BET, H₂-TPR and EPR experiments. Amongst these ratios, the catalyst with ratio Ni/Co as 0.5 had the best activity in the total oxidation of toluene, as 100% conversion reached at 250^oC.

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