Thermally treated polyvinyl chloride (PVC)-derived highly microporous carbon support: applications in hydrotreating catalysis

Ju Young Kim; Seung Gun Kim; Jisong Kang; Jae-Wook Choi; Chun-Jae Yoo; Chang Soo Kim; Kyeongsu Kim; Seongmin Jin; Hyunjoo Lee; Kwang Ho Song; Jungkyu Choi; Dalsu Choi; Jeong-Myeong Ha

doi:10.1039/D5CY01613D

Thermally treated polyvinyl chloride (PVC)-derived highly microporous carbon support: applications in hydrotreating catalysis

Ju Young Kim,†^ab Seung Gun Kim,†^c Jisong Kang,^ab Jae-Wook Choi,^a Chun-Jae Yoo,

^adef Chang Soo Kim,

^ad Kyeongsu Kim,

^ad Seongmin Jin,

^ad Hyunjoo Lee,

^adg Kwang Ho Song,

^b Jungkyu Choi,

^b Dalsu Choi

*^c and Jeong-Myeong Ha

*^ad

Author affiliations

* Corresponding authors

^a Clean Energy Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
E-mail: jmha@kist.re.kr

^b Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Republic of Korea

^c Department of Chemical Engineering, Myongji University, Yongin, Gyeonggi-do 17058, Republic of Korea
E-mail: dalsuchoi@mju.ac.kr

^d Division of Energy and Environment Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea

^e School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea

^f KIST-SKKU Carbon-Neutral Research Center, Sungkyunkwan University, Suwon 16419, Republic of Korea

^g KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea

Abstract

Chemical recycling of polyvinyl chloride (PVC) via depolymerization is more challenging than that of polyolefins because hydrogen chloride forms during thermal degradation. The thermal degradation of PVC yields a solid residue after dehydrochlorination, which, upon KOH treatment at 800 °C, produces a highly microporous carbon material with a maximum BET surface area of 3273 m² g⁻¹. A ruthenium catalyst supported on this PVC-derived carbon exhibits high catalytic activity for the hydrodeoxygenation of guaiacol. The highly microporous carbon support prepared in this study serves as a valuable upcycled product for various applications.

This article is part of the themed collection: Advanced Catalytic Materials for Energy and Environmental Applications

Catalysis Science & Technology

Thermally treated polyvinyl chloride (PVC)-derived highly microporous carbon support: applications in hydrotreating catalysis

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Thermally treated polyvinyl chloride (PVC)-derived highly microporous carbon support: applications in hydrotreating catalysis

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