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Production and Characterization of Recycled Carbon from Phenol Resin Waste Using Supercritical Methanol

  • Hang-Kyu Cho
  • Jong Sung LimEmail author
Article
  • 83 Downloads
Part of the following topical collections:
  1. Special Issue: Advances in Thermophysical Properties

Abstract

In this work, a recycling method for phenol resin (Bakelite) waste using supercritical methanol was investigated. Phenol resin is manufactured by the condensation reaction between phenol and formaldehyde to form insoluble and infusible three-dimensional reticulate structures. For this reason, these resins are mostly buried or incinerated as waste, and only a small percentage is reused as filler materials. In terms of reducing environmental pollution and improving waste management, the development of recycling technologies for phenol resin waste is necessary. In this study, phenol resin waste was treated with supercritical methanol over the 553.15–703.15 K temperature range and at pressures up to 20.6 MPa. As a result of this treatment, waste was decomposed into phenol and carbon particles. Carbon particles began from at temperatures and pressures above 603.15 K and 13.9 MPa, respectively. The sizes of the carbon particles obtained in this manner ranged from 1 to \(4~\upmu \hbox {m}\) and decreased with increasing temperature and pressure. These carbon particles had identical chemical and crystal structures and crystallinities to amorphous carbon. This recycled carbon can be used for the same purposes as existing amorphous carbon.

Keywords

Amorphous carbon Phenol resin Recycle Supercritical fluid 

Notes

Acknowledgements

This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (Grant No. 2011-0024608). Also, this research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (Grant No. NRF-2016R1D1A1B01013707).

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.Department of Chemical and Biomolecular EngineeringSogang UniversitySeoulKorea

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