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January 24, 2026

Gas Phase Air Cleaner Technologies: Abilities and Limitations

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Authors

FHFariborz HaghighatPHParham Haghighi

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Overview

This review compares air cleaning technologies for improving air quality, highlighting strengths and weaknesses.

Key Points

  • This analysis aims to evaluate the effectiveness and limitations of activated carbon and photocatalytic oxidation technologies in air purifiers.
  • Reviewed existing literature on activated carbon and photocatalytic oxidation technologies.
  • Evaluated their performance in degrading volatile organic compounds under HVAC-like conditions.
  • Discussed factors influencing performance such as surface functional groups and operational parameters.
  • Activated carbon filters show variable effectiveness depending on VOC properties and operational conditions.
  • Photocatalytic oxidation systems often struggle with catalyst deactivation and low performance in complex VOC mixtures.
  • Overall performance impacts indoor air quality and energy consumption considerations.

Cite This Study

Haghighat et al. (2026) studied this question.

synapsesocial.com/papers/6974610cbb9d90c67120adb3https://doi.org/10.1051/e3sconf/202668905005/pdf
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