Expression of concern: Potential of non-thermal discharge plasmas for activated sludge settling: effects and underlying mechanisms

Key Points

• This expression of concern highlights potential issues related to the efficacy of non-thermal discharge plasmas in enhancing activated sludge settling.
• Analysis of the effects of non-thermal discharge plasmas on sludge settling
• Investigation of underlying mechanisms involved in the treatment process
• Examination of previous study results for gaps or discrepancies
• Potential effectiveness of non-thermal discharge plasmas in improving settling efficiency
• Identification of critical factors that influence the treatment outcomes
• Concerns regarding reproducibility and consistency of results