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February 21, 2026Scientific ReportsOpen Access

pH-responsive modified magnetic nanoparticles for treatment of oily wastewater

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Authors

SJSoheila JavadianANAynaz NobakhtSSS. Morteza Sadrpoor

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Overview

Demonstrates the effectiveness of pH-responsive demulsifiers in reducing oil-in-water emulsion turbidity, indicating environmental benefits.

Key Points

  • This research aims to develop pH-responsive magnetic nanoparticles for efficiently treating oily wastewater.
  • Fabricated demulsifiers using iron oxide nanoparticles and modified aniline in different ratios
  • Characterized demulsifiers using XPS, BET, XRD, and FE-SEM
  • Evaluated demulsification efficiency in acidic, alkaline, and neutral environments
  • Achieved turbidity reduction below 100 NTU for Fe41 in neutral conditions (pH = 7)
  • Fe14 turbidity results showed 114 NTU at pH = 4
  • Electrostatic interactions dominate at pH = 7, while pi-pi interactions also contribute in acidic conditions
  • Demulsifier can be reused up to four times due to its magnetic properties

Cite This Study

Javadian et al. (2026) studied this question.

synapsesocial.com/papers/69994bef873532290d01ffbfhttps://doi.org/10.1038/s41598-026-38651-z
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