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

被引：26
作者：
Djebbari, Chafia [1 ]
zouaoui, Emna [2 ]
Ammouchi, Nesrine [1 ,3 ]
Nakib, Chafika [2 ]
Zouied, Daoiya [2 ]
Dob, Karima [1 ]
机构：
[1] Univ 20 Aout 1955, Fac Technol, Dept Sci Technol, Skikda, Algeria
[2] Univ 20 Aout 1955, Fac Technol, Dept Petrochim & Genie Proc, Skikda, Algeria
[3] Univ 20 Aout 1955, Fac Technol, Lab Physicochim Surfaces & Interfaces, Skikda, Algeria
来源：
SN APPLIED SCIENCES | 2021年 / 3卷 / 02期
关键词：
Photocatalysis; Pollutants; Supported catalyst; Photo degradation;
D O I：
10.1007/s42452-021-04266-4
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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 TiO2 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/TiO2 catalyst than NiO/TiO2 catalyst than TiO2. Dye degradation by microwave irradiation is faster than that by solar irradiation.
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页数：11
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