Articles & Issues
- Language
- English
- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
- Publication history
-
Received March 30, 2023
Revised August 3, 2023
Accepted August 6, 2023
- Acknowledgements
- This study was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (NRF-2020R1A5A1019631)
- This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Co-feeding effect of municipal sludge on the pyrolysis of polyethylene terephthalate
Abstract
The co-pyrolysis effect of municipal sludge (MS) and polyethylene terephthalate (PET) was estimated using
kinetic analysis via thermogravimetric (TG) analysis and pyrolyzer-gas chromatography/mass spectrometry (Py-GC/
MS). The co-feeding of MS and MS ash to PET pyrolysis decreased the PET decomposition temperature, from 427 o
C
to 409 o
C by MS and to 420 o
C by MS ash. The production amount of mono aromatic hydrocarbons (MAHs) on the
pyrolysis of PET and MS was also increased by 2.5 times compared to the theoretical value by applying their co-pyrolysis. Additional use of MS ash for the co-pyrolysis of PET and MS further increased MAHs by 4.1 times compared to
the theoretical value because of the radical enhancement and the catalytic effect of ash in MS. The amount of MAHs
on the co-pyrolysis of PET and MS was increased by 9 times larger than the theoretical value for the co-pyrolysis of
PET (0.5 mg) and MS (0.5 mg) at 500 o
C by applying the increased reaction temperature (from 500 o
C to 600 o
C) and
MS co-feeding amount (from 0.5 mg to 1.0 mg) to the pyrolysis of PET (0.5 mg).
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