Selective singlet oxygen generation by microporous biochar for peracetic acid activation
Date
2026
Authors
Ncube, S.
Tian, Z.
Liu, S.
Wang, S.
Tian, W.
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Journal article
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Chemical Communications, 2026; 62(4):1242-1246
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Selusiwe Ncube, Zhihao Tian, Shuhui Liu, Shaobin Wang and Wenjie Tian
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Abstract
This study shows that the pyrolysis temperature and atmosphere critically affect the physiochemical properties of biochar. NH3-assisted pyrolysis at 900 °C produces biochar (NH3-C-900) with superior activity for peracetic acid activation, selectively generating singlet oxygen for rapid phenol degradation. Micropores contribute positively to the catalytic performance, with C[double bond, length as m-dash]O groups serving as the key active sites, while C–O and COOH are unfavorable.
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© The Royal Society of Chemistry 2026