Catalytic degradation of poly(ethylene terephthalate) for benzene-rich oil recovery using metal hydroxides

Shogo Kumagai; Guido Grause; Tomohito Kameda; Toshiaki Yoshioka

doi:10.1246/cl.131109

Catalytic degradation of poly(ethylene terephthalate) for benzene-rich oil recovery using metal hydroxides

Shogo Kumagai, Guido Grause, Tomohito Kameda, Toshiaki Yoshioka

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Poly(ethylene terephthalate) (PET) was pyrolyzed in the presence of several metal hydroxides for the high-yielding recovery of benzene in one benzene-rich fraction. The highest benzene yield of 80.7% and a purity of 90.2 wt% were achieved in the presence of Ca(OH)2 and Ba(OH)2, respectively. In addition, thermogravimetricmass spectroscopic (TG-MS) measurements of metal terephthalates as the benzene precursors suggested a mechanism of benzene formation from metal terephthalates.

Original language	English
Pages (from-to)	637-639
Number of pages	3
Journal	Chemistry Letters
Volume	43
Issue number	5
DOIs	https://doi.org/10.1246/cl.131109
Publication status	Published - 2014

ASJC Scopus subject areas

Chemistry(all)

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AB - Poly(ethylene terephthalate) (PET) was pyrolyzed in the presence of several metal hydroxides for the high-yielding recovery of benzene in one benzene-rich fraction. The highest benzene yield of 80.7% and a purity of 90.2 wt% were achieved in the presence of Ca(OH)2 and Ba(OH)2, respectively. In addition, thermogravimetricmass spectroscopic (TG-MS) measurements of metal terephthalates as the benzene precursors suggested a mechanism of benzene formation from metal terephthalates.

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