Carbonization of waste PVC to develop porous carbon material without further activation

W. M. Qiao, Y. Song, S. H. Yoon, Y. Korai, I. Mochida, S. Yoshiga, H. Fukuda, A. Yamazaki

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Efficient removal of chlorine from PVC achieved by two-stage heat-treatment (280 and 410 °C) provided chlorine-free isotropic pitch containing additive. The pitch was stabilized and carbonized into porous carbons with surface areas of ∼300 m2/g. Resultant porous carbons showed three pore structures of supermicropore, micropore and mesopore. The generation of CO2 from the decomposition of the CaCO3 additive in waste PVC is responsible for the development of porous structures. The surface area of the carbonized product increased after the removal of CaO.

Original languageEnglish
Pages (from-to)592-598
Number of pages7
JournalWaste Management
Volume26
Issue number6
DOIs
Publication statusPublished - 2006

All Science Journal Classification (ASJC) codes

  • Waste Management and Disposal

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