The Impact of Clinoptilolite Natural Zeolite on the Photocatalytic Properties and Performance of BiOI Semiconductor in the Photodegradation of Dye Wastewater

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Zandi Avin; Akbari Seneh Rojiar; RAHMANI FARHAD

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Journal: PETROLEUM RESEARCH Year:2022 | Volume:32 | Issue:3 Page(s): 48-65

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Title

The Impact of Clinoptilolite Natural Zeolite on the Photocatalytic Properties and Performance of BiOI Semiconductor in the Photodegradation of Dye Wastewater

Author(s)

Zandi Avin | Akbari Seneh Rojiar | RAHMANI FARHAD | Issue Writer Certificate

Keywords

ClinoptiloliteQ4

BiOI SemiconductorQ4

PhotodegradationQ4

Methyl OrangeQ4

KineticsQ4

Abstract

In the present study, the process of optical degradation of Methyl Orange dye pollutant was studied using BiOI / Clinoptilolite nanostructured photocatalysts to investigate the effects of Clinoptilolite natural zeolite support and BiOI nanoparticle loading on photocatalytic activity. For this purpose, different amounts of BiOI photocatalysts on Clinoptilolite (10, 20, 30 and 40 wt. %) were synthesized via sonochemical-precipitation method. The synthesized photocatalysts were characterized by XRD, FESEM, EDX, PL and UV-vis techniques. The results of identification analyzes indicate the accuracy of the synthesis of synthetic samples. By examining the effect of operating parameters, the maximum amount of Methyl Orange photocatalytic removal (100%) was obtained under optimal reaction time of 2 hours, 5 ppm pollutant concentration and 0. 5 g/L amount of photocatalyst under ultraviolet light. Also, by examining different kinetic models for the selected catalyst, the conformity of the second-order, modified Freundlich, parabolic diffusion models with the Methyl Orange removal process with R2 >0. 99 was confirmed. In addition, as expected from the results of UV-vis analysis, the optimal B (30)/CLT photocatalyst showed desirable performance under visible light radiation for the degradation of dye (82%).

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