Solvothermal In-Situ Synthesis of MIL-53(Fe)@Carbon Felt Photocatalytic Membrane for Rhodamine B Degradation

Shuyan Yu, Huiying Zhang and Congju Li ()
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Shuyan Yu: School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
Huiying Zhang: School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
Congju Li: School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China

IJERPH, 2023, vol. 20, issue 5, 1-13

Abstract: In this study, MIL-53(Fe) was innovatively incorporated into carbon felt (CF) by growing in-situ using the solvothermal method. MIL-53(Fe)@carbon felt (MIL-53(Fe)@CF) was prepared and used for the degradation of rhodamine B (RhB). As a new photocatalytic membrane, MIL-53(Fe)@CF photocatalytic membrane has the characteristics of high degradation efficiency and recyclability. Influence of various parameters including MIL-53(Fe)@CF loading, light, electron trapper type, and starting pH on RhB degradation were investigated. The morphology, structure, and degradation properties of MIL-53(Fe)@CF photocatalytic membrane were characterized. Corresponding reaction mechanisms were explored. The results indicated that pH at 4.5 and 1 mmol/L H 2 O 2 , 150 mg MIL-53(Fe)@CF could photocatalytically degrade 1 mg/L RhB by 98.8% within 120 min, and the reaction rate constant (k) could reach 0.03635 min −1 . The clearance rate of RhB decreased by only 2.8% after three operations. MIL-53(Fe)@CF photocatalytic membrane was found to be stable.

Keywords: MIL-53(Fe)@carbon felt; photocatalytic; degradation; rhodamine B (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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