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Degradation of Malachite green using heterogeneous nanophotocatalysts (NiO/TiO2, CuO/TiO2) under solar and microwave irradiation

Article scientifique 2021 Anglais

Résumé

Abstract Heterogeneous photocatalysis is an advanced oxidation process (AOP). This technique is used to degrade a wide range of pollutants in water. In this study, photocatalytic oxidation and mineralization of malachite green in an aqueous suspension containing nickel-based catalysts and copper supported on TiO 2 prepared by wet diffusional impregnation was studied using two sources of irradiation: solar and microwave. Photodegradation kinetics were studied according to several parameters, such as catalyst type, dye concentration, photocatalyst mass and microwave power. The results showed that the photodegradation of malachite green is faster in the presence of CuO/TiO 2 catalyst than NiO/TiO 2 catalyst than TiO 2 . Dye degradation by microwave irradiation is faster than that by solar irradiation.

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Djebbari, C., Zouaoui, E., Ammouchi, N., Nakib, C., Zouied, D., Dob, K. (2021). Degradation of Malachite green using heterogeneous nanophotocatalysts (NiO/TiO2, CuO/TiO2) under solar and microwave irradiation. https://doi.org/10.1007/s42452-021-04266-4

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Auteur(s)

Chafia Djebbari Emna Zouaoui Nesrine Ammouchi Chafika Nakib Daoiya Zouied Karima Dob

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