Mechanochemical Degradation of Activated Carbon-Adsorbed PFAS and Fluorinated Gases
4 affiliations
- 1Department of Nanopharmaceutical Sciences
- 2Nagoya Institute of Technology, Gokiso
- 3Department of Life Science and Applied Chemistry
- 4Technology and Innovation Center, DAIKIN Industries, Ltd, 1-1 Nishi-Hitotsuya, Settsu, Osaka, Japan
Abstract
Fluorochemicals are widely used in modern society due to their unique and valuable properties. From the perspective of sustainable fluorine resource utilization, technologies that enable the recovery and reuse of fluorine from waste or captured fluorochemicals are crucial. However, efficient strategies for recovering fluorine from these materials remain limited. Herein, we report a mechanochemical strategy for the direct conversion of activated carbon-adsorbed PFAS and fluorinated gases into potassium fluoride (KF), a valuable fluorination reagent, by ball milling with potassium metal. The process proceeds rapidly and efficiently under solvent-free conditions. The method is applicable to a variety of PFAS, including perfluorooctanoic acid (PFOA), perfluoroheptanoic acid (PFHpA), and perfluorobutanesulfonic acid (PFBS), as well as fluorinated gases such as SF6, HFC-125, and HFC-23. This work provides a sustainable strategy toward a fluoro-circular economy through the recovery of fluorine as a valuable chemical resource.
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BibTeX
@misc{hattori2026mechanochemical,
title = {{Mechanochemical Degradation of Activated Carbon-Adsorbed PFAS and Fluorinated Gases}},
author = {Masashi Hattori and Kouki Nagano and Moe Fujishiro and Kanako Inoo and Yosuke Kishikawa and Zhengyu Zhao and Norio Shibata},
howpublished = {ChemRxiv},
year = {2026},
month = sep,
doi = {10.26434/chemrxiv.15009232/v1},
url = {https://chemrxiv.org/doi/full/10.26434/chemrxiv.15009232/v1},
note = {CC BY-NC},
}
RIS
TY - UNPB
TI - Mechanochemical Degradation of Activated Carbon-Adsorbed PFAS and Fluorinated Gases
AU - Masashi Hattori
AU - Kouki Nagano
AU - Moe Fujishiro
AU - Kanako Inoo
AU - Yosuke Kishikawa
AU - Zhengyu Zhao
AU - Norio Shibata
PY - 2026
DA - 2026/09/22
PB - ChemRxiv
DO - 10.26434/chemrxiv.15009232/v1
UR - https://chemrxiv.org/doi/full/10.26434/chemrxiv.15009232/v1
AB - Fluorochemicals are widely used in modern society due to their unique and valuable properties. From the perspective of sustainable fluorine resource utilization, technologies that enable the recovery and reuse of fluorine from waste or captured fluorochemicals are crucial. However, efficient strategies for recovering fluorine from these materials remain limited. Herein, we report a mechanochemical strategy for the direct conversion of activated carbon-adsorbed PFAS and fluorinated gases into potassium fluoride (KF), a valuable fluorination reagent, by ball milling with potassium metal. The process proceeds rapidly and efficiently under solvent-free conditions. The method is applicable to a variety of PFAS, including perfluorooctanoic acid (PFOA), perfluoroheptanoic acid (PFHpA), and perfluorobutanesulfonic acid (PFBS), as well as fluorinated gases such as SF6, HFC-125, and HFC-23. This work provides a sustainable strategy toward a fluoro-circular economy through the recovery of fluorine as a valuable chemical resource.
ER -