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author:

Zou, Lingxiao (Zou, Lingxiao.) [1] | Hu, Yihui (Hu, Yihui.) [2] | Lv, Yuancai (Lv, Yuancai.) [3] | Liu, Yifan (Liu, Yifan.) [4] | Ye, Xiaoxia (Ye, Xiaoxia.) [5] | Lin, Chunxiang (Lin, Chunxiang.) [6] | Song, Liang (Song, Liang.) [7] | Tian, Chen (Tian, Chen.) [8] | Yang, Guifang (Yang, Guifang.) [9] | Liu, Minghua (Liu, Minghua.) [10]

Indexed by:

EI Scopus SCIE

Abstract:

Persulfate-based advanced oxidation technologies (PS-AOPs) show great potential in treating emerging pollutants because of their multiple reaction pathways induced by a variety of reactive species. However, the modulation of the reactive species in PS-AOPs and the specificity of reactive species for contaminants have still not received adequate attention. In this work, the feasibility of pH on modulating reactive species in PS-AOPs mediated by single-atom Co catalyst (CoSA) and the relationship between each species and contaminant were deeply discussed. In the CoSA/PMS system, Co(IV) was the predominantly active species in acidic conditions, and 1O2 was the predominantly active species in neutral and alkaline conditions. Specific degradation relationships with various pollutants were explored based on different major active species regulated under different pH conditions. Density Functional Theory (DFT) and experimental results demonstrated that organic pollutants with high EHOMO (Energy of the Highest Occupied Molecular Orbital), low VIP (Vertical Ionization Potential) and Delta E (Energy Gap) were susceptible to oxidative degradation. Sulfonamide compounds, phenol compounds and tetracycline compounds tended to be attacked by 1O2. And the carbamazepine compounds and quinolone compounds tended to be attacked by Co(IV). This study will provide new perspectives on reactive species regulation and specific degradation of pollutants, and offer innovative ideas for rapid remediation of emerging pollutants in aquatic environments.

Keyword:

DFT Peroxymonosulfate Radical modulation Single-atom catalysts Specific degradation

Community:

  • [ 1 ] [Zou, Lingxiao]Fuzhou Univ, Coll Environm & Safety Engn, Fujian Prov Engn Res Ctr Rural Waste Recycling Tec, Fuzhou 350116, Peoples R China
  • [ 2 ] [Hu, Yihui]Fuzhou Univ, Coll Environm & Safety Engn, Fujian Prov Engn Res Ctr Rural Waste Recycling Tec, Fuzhou 350116, Peoples R China
  • [ 3 ] [Lv, Yuancai]Fuzhou Univ, Coll Environm & Safety Engn, Fujian Prov Engn Res Ctr Rural Waste Recycling Tec, Fuzhou 350116, Peoples R China
  • [ 4 ] [Liu, Yifan]Fuzhou Univ, Coll Environm & Safety Engn, Fujian Prov Engn Res Ctr Rural Waste Recycling Tec, Fuzhou 350116, Peoples R China
  • [ 5 ] [Ye, Xiaoxia]Fuzhou Univ, Coll Environm & Safety Engn, Fujian Prov Engn Res Ctr Rural Waste Recycling Tec, Fuzhou 350116, Peoples R China
  • [ 6 ] [Lin, Chunxiang]Fuzhou Univ, Coll Environm & Safety Engn, Fujian Prov Engn Res Ctr Rural Waste Recycling Tec, Fuzhou 350116, Peoples R China
  • [ 7 ] [Song, Liang]Fuzhou Univ, Coll Environm & Safety Engn, Fujian Prov Engn Res Ctr Rural Waste Recycling Tec, Fuzhou 350116, Peoples R China
  • [ 8 ] [Liu, Minghua]Fuzhou Univ, Coll Environm & Safety Engn, Fujian Prov Engn Res Ctr Rural Waste Recycling Tec, Fuzhou 350116, Peoples R China
  • [ 9 ] [Tian, Chen]Fuzhou Univ, Sch Future Membrane Technol, Fuzhou 350108, Peoples R China
  • [ 10 ] [Tian, Chen]Cent South Univ, Sch Met & Environm, Changsha 410083, Peoples R China
  • [ 11 ] [Yang, Guifang]Putian Univ, Coll Environm & Biol Engn, Fujian Prov Key Lab Ecol Toxicol Effects & Control, 1133 Xueyuan Rd, Putian 351100, Fujian, Peoples R China
  • [ 12 ] [Liu, Minghua]Putian Univ, Coll Environm & Biol Engn, Fujian Prov Key Lab Ecol Toxicol Effects & Control, 1133 Xueyuan Rd, Putian 351100, Fujian, Peoples R China

Reprint 's Address:

  • [Lv, Yuancai]Fuzhou Univ, Coll Environm & Safety Engn, 2 Xueyuan Rd, Fuzhou 350116, Fujian, Peoples R China;;[Tian, Chen]Cent South Univ, Changsha 410083, Peoples R China

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Source :

JOURNAL OF COLLOID AND INTERFACE SCIENCE

ISSN: 0021-9797

Year: 2025

Volume: 687

Page: 617-629

9 . 4 0 0

JCR@2023

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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