Construction of an EDTA-assisted biochar-supported nanoscale zero-valent iron catalyst from betel nut shell and blast furnace dust for enhanced H2O2 generation and Fenton-like degradation of 4-fluorophenol

Huining Zhang

doi:10.1016/j.jenvman.2026.130643

Construction of an EDTA-assisted biochar-supported nanoscale zero-valent iron catalyst from betel nut shell and blast furnace dust for enhanced H2O2 generation and Fenton-like degradation of 4-fluorophenol

2026-08-11

0

PRE

AI

H

Huining Zhang *

Z

Zongqian Zhang

J

Jiawen Sun

J

Jianping Han *

Y

Yi Zhao

Z

Zhiqiang Wei

Z

Zhiguo Wu

S

Shaofeng Wang

Y

Yan Wang

Y

Yue Zhang

DOI：10.1016/j.jenvman.2026.130643

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• A green catalytic system from industrial waste and waste biomass was developed. • The nZVI@C/EDTA system enables in situ H2O2 generation and use. • EDTA broadens in situ H2O2 generation pathways and widens the pH range. • ·O2− and ·OH dominated the catalytic degradation of 4-FP.

Construction of an EDTA-assisted biochar-supported nanoscale zero-valent iron catalyst from betel nut shell and blast furnace dust for enhanced H2O2 generation and Fenton-like degradation of 4-fluorophenol

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