Synergic effect of dielectric barrier discharge plasma and hydrodynamic cavitation on decolorization of methylene blue
Ahmad Ahadi, Amirhossein Zali, Mohammad Ghorbanalilu, Hamid Ghomi · 2026
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Description
Ahadi, Zali, and Ghorbanalilu combined two physical treatments to bleach dye wastewater fast, in this 2026 PLOS One study. Their hybrid reactor pairs dielectric barrier discharge plasma, which generates reactive oxygen species in water, with hydrodynamic cavitation, the violent collapse of microbubbles. The target was methylene blue in distilled and tap water at several starting concentrations and voltages.
The coupled system decolorized the dye completely within fifteen minutes, with about eighty percent gone in under five. Running the plasma directly through the cavitation zone beat separating the two steps, evidence of true synergy, and light-emission spectroscopy confirmed hydroxyl radicals doing the chemical work. Energy efficiency at the strongest dye concentration exceeded values reported for earlier systems. The authors propose the hybrid as a scalable advanced oxidation process for wastewater treatment.
Catalog record
| CREATOR | Ahmad Ahadi, Amirhossein Zali, Mohammad Ghorbanalilu, Hamid Ghomi |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 55 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |