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Phenanthrene Elimination from Soil through the Activation of Peroxymonosulfate by Biogenically Derived Manganese Oxide

  • Yuanyuan Jiang
  • , Hongrui Zhang
  • , Yanling Wu
  • , Hui Wang
  • , Waheed Miran
  • , Jun Liu
  • , Fei Yang*
  • , Xizi Long*
  • *Corresponding author for this work
  • University of South China
  • Central and Southern China Municipal Engineering Design & Research Institute Co
  • National University of Sciences and Technology Pakistan
  • Xi’an University of Technology

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Peroxymonosulfate (PMS) advanced oxidation is gaining recognition as a promising method for tackling persistent soil pollutants. However, developing an efficient PMS activator remains a formidable task. This study harnessed Shewanella oneidensis MR-1, a model dissimilatory metal-reducing bacterium (DMRB), to synthesize Mn2O3 nanoparticles by oxidizing Mn(II). These nanoparticles were employed to activate PMS for phenanthrene degradation in soil. Remarkably, biogenic Mn2O3 outperformed chemically synthesized Mn2O3, removing 77.4% of phenanthrene compared to 55.7%. This superior performance is attributed to biogenic Mn2O3's faster electron transfer rate and higher Mn(III) ratio, facilitating electron donation to PMS. Additionally, we assessed the feasibility of PMS advanced oxidation for soil remediation by examining microbial community diversity. Given manganese's prevalence in natural soil and groundwater, in-situ biogenic Mn2O3 synthesis emerges as an innovative soil remediation strategy. Graphical Abstract: (Figure presented.)

Original languageEnglish
Article number231
JournalWater, Air, and Soil Pollution
Volume235
Issue number4
ISSN0049-6979
DOIs
Publication statusPublished - Apr 2024
Externally publishedYes

Bibliographical note

Publisher Copyright:
© The Author(s), under exclusive licence to Springer Nature Switzerland AG 2024.

Keywords

  • Advanced oxidation
  • Degradation
  • Electron transfer
  • Shewanella oneidensis MR-1
  • Soil organic contamination

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