第一作者：Zihao Liu
通讯作者：李晓婉 研究员
通讯单位：兰州大学资源环境学院
DOI:10.1016/j.chemosphere.2022.137657
Fig. 1. Effects of (a) NP dosage, (b) PDS concentration, (c) different pH values and (d) Fe(II), Fe(III) and PDS concentration on IMD degradation in the NP/PDS system.
Fig. 2. (a) IMD degradation in the NP/PDS system with 0.5 M EtOH and TBA, (b) ESR spectra of DMPO-OH and DMPO-SO4 in the NP/PDS system, (c) cumulative concentration of SO4•− and •OH in the NP/PDS system and (d) PMSO degradation, PMSO2 formation and η[PMSO2] in solo PDS and NP/PDS systems.
Fig. 3. (a)The XRD patterns, (b) FTIR spectra and high resolution (c) Fe 2p, (d) S 2p spectra of the fresh NP and used NP and (e) the influence of Na2S and Fe(III) on IMD degradation in the NP/PDS system.
Fig. 4. Possible reaction mechanism of the NP/PDS system.
Liu, Z.; An, Y.; Li, X. Insight into Mechanism of Peroxydisulfate Activation by Natural Pyrite: Participation of Fe(IV) and Regulation of Fe(III)/Fe(II) Cycle by Sulfur Species. Chemosphere 2023, 314, 137657.
https://doi.org/10.1016/j.chemosphere.2022.137657.
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