High‐Efficiency Plasma Remediation of Petroleum Wastewater: A Comparison of Gliding Arc and Dielectric Barrier Discharge Air Plasma Jet

ABSTRACT Petroleum wastewater contains persistent and toxic hydrocarbons that are difficult to remove using conventional treatment methods. Non‐thermal plasma provides an advanced oxidation pathway by generating reactive species directly in water without chemical additives. This study compares gliding arc (GA) plasma and dielectric barrier discharge air plasma jet (DBD‐APJ) for petroleum wastewater remediation. GA operates in a high‐current arc regime, while DBD‐APJ functions in a low‐current filamentary mode, producing distinct reactive environments. GA achieved ~90% degradation within 90 s (4.1 g kWh −1 ), with ~65% COD and ~45% TOC removal. DBD‐APJ reached ~55% degradation in 15 min (0.88 g kWh −1 ). Results highlight the critical role of discharge characteristics in controlling oxidation pathways and treatment efficiency.

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Journal
Water Environment Research
Published
2026-06-30
DOI
https://doi.org/10.1002/wer.70464
Primary Topic
Plasma Applications and Diagnostics
Type
article
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article

High‐Efficiency Plasma Remediation of Petroleum Wastewater: A Comparison of Gliding Arc and Dielectric Barrier Discharge Air Plasma Jet

Arunsinh Zala, Tijjani Adam, S. Sarapirom, Tejal Barkhade et al.
Water Environment Research
Plasma Applications and Diagnostics
article

High‐Efficiency Plasma Remediation of Petroleum Wastewater: A Comparison of Gliding Arc and Dielectric Barrier Discharge Air Plasma Jet

Arunsinh Zala, Tijjani Adam, S. Sarapirom, Tejal Barkhade, Arlee Tamman, Tanachat Eknapakul, Mudtorlep Nisoa, Dheerawan Boonyawan, Vikas Rathore, Grittima Kongprawes, Shaima Masae, Ridhvee Taleh, Pattarachai Bor‐in
article en

Abstract

ABSTRACT Petroleum wastewater contains persistent and toxic hydrocarbons that are difficult to remove using conventional treatment methods. Non‐thermal plasma provides an advanced oxidation pathway by generating reactive species directly in water without chemical additives. This study compares gliding arc (GA) plasma and dielectric barrier discharge air plasma jet (DBD‐APJ) for petroleum wastewater remediation. GA operates in a high‐current arc regime, while DBD‐APJ functions in a low‐current filamentary mode, producing distinct reactive environments. GA achieved ~90% degradation within 90 s (4.1 g kWh −1 ), with ~65% COD and ~45% TOC removal. DBD‐APJ reached ~55% degradation in 15 min (0.88 g kWh −1 ). Results highlight the critical role of discharge characteristics in controlling oxidation pathways and treatment efficiency.

Water Environment ResearchVol. 98(7)
Nanyang Technological University (SG), Maejo University (TH), Thailand Graduate Institute of Science and Technology (TH), Parul University (IN), Nakhon Si Thammarat Rajabhat University (TH), Chiang Mai University (TH), Universiti Malaysia Perlis (MY), King Mongkut's Institute of Technology Ladkrabang (TH), Walailak University (TH)
Clean water and sanitation
Openalex Percentile: Top 7%
Plasma Applications and Diagnostics
DOISourceOpenAlex
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