Study on the performance test of Fe–Ce–Al/MMT catalysts for phenol-containing wastewater

Author:

Su Xiaoping1ORCID,Wang Xiangtong1ORCID,Li Longjian1ORCID,Li Ning1,Liu Xuanchi1ORCID,Zhang Ping1ORCID

Affiliation:

1. College of Chemical Engineering, Northwest Minzu University, Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Gansu Provincial Biomass Function Composites Engineering Research Center, Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in University of Gansu Province , Lanzhou 730030, China

Abstract

In this study, a series of Fe–Ce–Al/MMT catalysts were prepared, characterized by XRD, SEM and N2 adsorption/desorption, and treated with phenol-containing wastewater. The results showed that the optimal Fe–Ce–Al/MMT catalyst with a molar ratio of (Fe + Ce)/(Fe + Ce + Al) of 5.5% has better grain development, more regular appearance, more uniform particle distribution, specific surface area of 180.9 m2/g and pore volume of 0.1858 cm3/g. The optimum technological conditions obtained by single factor test are as follows: initial pH value was 4, dosage of H2O2 was 13 mL/L, dosage of Fe2+ was 3500 mg/L, reaction temperature was 60 °C, and reaction time was 180 min. Under these conditions, the phenol removal rate was 98.21%. Based on the single factor test, the response surface test was carried out, and the results are as follows: initial pH value was 3, dosage of H2O2 was 15.64 mL/L, dosage of Fe2+ was 4884.37 mg/L, reaction temperature was 53.05 °C, and reaction time was 217.1 min. Under these conditions, the phenol removal rate was up to 98.75%.

Funder

Fundamental Research Funds for the Central Universities

Key Science and Technology Foundation of Gansu Province

the Scientific Research Project of Introducing Talents of Northwest Minzu University

Department of education of Gansu Province: Young Doctor Fund Project

Publisher

AIP Publishing

Subject

General Physics and Astronomy

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