Enhancing the Thermal Mineralization of Perfluorooctanesulfonate on Granular Activated Carbon Using Alkali and Alkaline-Earth Metal Additives

Thermal treatment has emerged as a promising approach for either the end-of-life treatment or regeneration of granular activated carbon (GAC) contaminated with per- and polyfluoroalkyl substances (PFAS). However, its effectiveness has been limited by the requirement for high temperatures, the genera...

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Veröffentlicht in:	Environmental science & technology 2024-06, Vol.58 (25), p.11162-11174
Hauptverfasser:	Abou-Khalil, Charbel, Chernysheva, Liliya, Miller, Anthony, Abarca-Perez, Angela, Peaslee, Graham, Herckes, Pierre, Westerhoff, Paul, Doudrick, Kyle
Format:	Artikel
Sprache:	eng
Schlagworte:	Activated carbon Additives Adsorption air Alkalies - chemistry Alkaline earth metals Alkanesulfonic Acids - chemistry byproducts Calcium hydroxide calcium oxide Charcoal - chemistry Effectiveness Electron transfer End of life Environmental impact Flue gas Fluorine Fluorocarbons - chemistry Heat treatment High temperature Hot Temperature Intermediates Metals, Alkaline Earth - chemistry Mineralization Operating costs Perfluoroalkyl & polyfluoroalkyl substances Perfluorochemicals perfluorooctane sulfonic acid Physico-Chemical Treatment and Resource Recovery Reaction mechanisms Slaked lime Thermal decomposition thermal degradation Waste materials
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