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author:

Yu, Zhendong (Yu, Zhendong.) [1] | Ma, Jiachen (Ma, Jiachen.) [2] | Huang, Xiaoyi (Huang, Xiaoyi.) [3] | Lv, Yuancai (Lv, Yuancai.) [4] (Scholars:吕源财) | Liu, Yifan (Liu, Yifan.) [5] | Lin, Chunxiang (Lin, Chunxiang.) [6] (Scholars:林春香) | Dou, Rongni (Dou, Rongni.) [7] | Ye, Xiaoxia (Ye, Xiaoxia.) [8] (Scholars:叶晓霞) | Shi, Yongqian (Shi, Yongqian.) [9] (Scholars:施永乾) | Liu, Minghua (Liu, Minghua.) [10]

Indexed by:

EI SCIE

Abstract:

In this study, the S modified iron-based catalyst (S-Fe@C) for activating peroxydisulfate (PDS) was fabricated by heating the S-MIL-101 (Fe) precursor at 800 degrees C. The resulted S-Fe@C composite mainly consisted of carbon, Fe-0, FeS, FeS2, and Fe3O4 , and showed strong magnetism. Compared with Fe@C obtained from MIL-101 (Fe), the S-Fe@C exhibited much higher performance (1.5 times larger) on PDS activation and the S-Fe@C/PDS could rapidly degrade various organic pollutants in 5 min under the attack of the species of SO4 center dot-, O-1(2), electro-transfer and Fe(IV). The S element in enhancing the PDS activation mainly involved two mechanisms. Firstly, the doped S could speed up the electron transfer efficiency, resulting in a promotion on PDS decomposition; secondly, the S2- S-2(2-) or S-0 could achieve the circulation of Fe2+ and Fe3+, leading to the formation of non-radicals Fe(IV) and O-1(2) . (C) 2021 Elsevier Inc. All rights reserved.

Keyword:

Fe-based catalyst Metal organic frameworks Organic pollutants Persulfate activation S modification

Community:

  • [ 1 ] [Yu, Zhendong]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China
  • [ 2 ] [Ma, Jiachen]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China
  • [ 3 ] [Huang, Xiaoyi]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China
  • [ 4 ] [Lv, Yuancai]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China
  • [ 5 ] [Liu, Yifan]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China
  • [ 6 ] [Lin, Chunxiang]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China
  • [ 7 ] [Ye, Xiaoxia]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China
  • [ 8 ] [Shi, Yongqian]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China
  • [ 9 ] [Liu, Minghua]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China
  • [ 10 ] [Dou, Rongni]Guangdong Univ Petrochem Technol, Sch Environm Sci & Engn, Guangdong Prov Key Lab Petrochem Pollut Proc & Co, Maoming 525000, Peoples R China

Reprint 's Address:

  • 吕源财 刘明华

    [Lv, Yuancai]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China;;[Liu, Minghua]Fuzhou Univ, Coll Environm & Resources, Fujian Prov Engn Res Ctr Rural Waste Recycling Te, Fuzhou 350116, Peoples R China

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Source :

JOURNAL OF COLLOID AND INTERFACE SCIENCE

ISSN: 0021-9797

Year: 2021

Volume: 610

Page: 24-34

9 . 9 6 5

JCR@2021

9 . 4 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:117

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 29

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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