Degradation of antipyrine in the Fenton-like process with a La-doped heterogeneous catalyst

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Frontiers of Environmental Science & Engineering

2019, Volume 13, Issue 5, Pages 66-0

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Degradation of antipyrine in the Fenton-like process with a La-doped heterogeneous catalyst

10.1007/s11783-019-1149-9

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Abstract

Abstract A La-doped Co-Cu-Fe catalyst was synthesized for the antipyrine (ANT) removal. The La-doped catalyst had higher ANT removal than the control (95% vs. 54%). La reduced the particle size and increased the specific surface area of catalyst. The aim of this study was to synthesize a novel lanthanum (La) doped catalyst and to investigate antipyrine removal in wastewater using the Fenton-like process with the catalyst. The La-doped Co-Cu-Fe catalyst was synthesized using the modified hydrothermal method. Results showed that the La-doped catalyst had higher specific surface area and lower particle size than the catalyst without La doping (i.e., the control) (267 vs. 163 m2/g and 14 vs. 32 nm, respectively). Under the conditions of catalyst dosage 0.5 g/L, H2O2 concentration 1.70 g/L, and NaHCO3 0.1 g/L, the antipyrine removal within 60 min using the Fenton-like process with the La-doped catalyst was much higher than that with the control (95% vs. 54%). The hydroxyl radical concentration with the La-doped catalyst within 60 min was two times higher than that with the control (49.2 vs. 22.1 mg/L). The high catalytic activity of La-doped catalyst was mainly attributed to its high specific surface area based on the X-ray photoelectron spectroscopy result. Our La-doped catalyst should have great potential to remove antipyrine in wastewater using the heterogeneous Fenton-like process.

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Antipyrine ; Lanthanum ; Catalyst ; Fenton-like process

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Frontiers of Environmental Science & Engineering

Degradation of antipyrine in the Fenton-like process with a La-doped heterogeneous catalyst

Abstract

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Outline

Figures(5)

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Frontiers of Environmental Science & Engineering

Degradation of antipyrine in the Fenton-like process with a La-doped heterogeneous catalyst

Abstract

Keywords

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