Efficient photo-, sono-, and sonophoto-fenton-like degradation of the organic pollutant methylene blue using a BiFeO3/graphene composite

Y. D. Susanti, R. Saleh

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

In this study, we investigated the degradation of the organic pollutant methylene blue (MB) using photo-, sono-, and sonophoto-fenton processes under visible light, ultrasonic irradiation, and a combination of the two, respectively, in the presence of an iron-containing perovskite catalyst BiFeO3/graphene composite. The sample structure was characterized using X-ray diffraction; thermal analyses were performed using thermogravimetric analysis and differential thermal analysis; and the BiFeO3/graphene composite was prepared using a hydrothermal method. We observed better MB degradation via the BiFeO3/graphene composite using the sonophoto-fenton method relative to either the photo-or sono-fenton methods, with increased MB degradation occurring through the synergistic effects of both the photo-and sono-fenton techniques. Furthermore, addition of a chelating agent, such as ascorbic acid, to the photo-and sono-fenton reactions enhanced MB degradation.

Original languageEnglish
Article number012064
JournalIOP Conference Series: Materials Science and Engineering
Volume763
Issue number1
DOIs
Publication statusPublished - 28 Apr 2020
Event3rd International Symposium on Current Progress in Functional Materials 2018, ISCPFM 2018 - Depok, Indonesia
Duration: 8 Aug 20189 Aug 2018

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