zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-986Research ArticleАННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙABSTRACTS ENGLISH-LANGUAGE ARTICLESНизкотемпературный твердотельный синтез FePO4 как гетерогенного фентоноподобного катализатора разложения метиленового синегоLow-Temperature Solid-State Synthesis of FePO4 as a Heterogeneous Fenton-Like Catalyst for the Degradation of Methyl BlueZhangQ.ZhangQ.

Фучжоу

Fuzhou

LiX.LiX.

Фучжоу

Fuzhou

WangQ.WangQ.

Фучжоу

Fuzhou

WangS.WangS.

Фучжоу

Fuzhou

wangsm@fjnu.edu.cnКолледж химии и материаловедения Фуцзяньского педагогического университетаCollege of Chemistry and Materials Science, Fujian Normal University202204022022891136142Copyright © Zhang Q., Li X., Wang Q., Wang S., 20222022Zhang Q., Li X., Wang Q., Wang S.Zhang Q., Li X., Wang Q., Wang S.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://zhps.ejournal.by/jour/article/view/986

Потенциальный катализатор на основе фосфата железа (FePO4) для гетерогенного фентоноподобного разложения метиленового синего (МС) получен методом низкотемпературного твердотельного синтеза. Изучены параметры, влияющие на скорость разложения МС: температура, начальный pH, наличие катализатора, концентрации H2O2 и МС. Приготовленный FePO4 показал высокоэффективную каталитическую реакцию за семь циклов. Эксперимент по маскировке свободных радикалов выявил существование гидроксильного радикала (•OH) и показал, что разложение MС происходит в основном из-за окисления, вызванного •OH. Предполагается, что FePO4 эффективен как каталитизатор разложения азокрасителя MС через фентоноподобную гетерогенную систему.

A potential iron phosphate (FePO4) catalyst was prepared using a low-temperature solid-state method for the heterogeneous Fenton-like degradation of methyl blue (MB). A variety of parameters affecting the MB removal rate, including temperature, initial pH, catalyst usage, H2O2 and MB concentration, was studied in detail. The prepared FePO4 exhibited a highly efficient catalytic reaction with seven cycle performance. In addition, a free radical masking experiment revealed the existence of a hydroxyl radical (•OH) and indicated that the degradation of MB was mainly due to the oxidation caused by •OH. This work suggests FePO4 is an efficient material, which is responsible for the catalytic degradation of the azo dye MB through a heterogeneous Fenton-like system.

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The authors declare that there are no conflicts of interest present.