Study of the synergetic effect of co-pyrolysis of lignite and high-density polyethylene aiming to improve utilization of low-rank coal
Authors
Kojić, IvanBechtel, Achim
Aleksić, Nikoleta M.
Životić, Dragana
Trifunović, S.
Gajica, Gordana
Stojanović, Ksenija
Article (Published version)
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Show full item recordAbstract
The mutual impact of low-quality lignite and high-density polyethylene (HDPE) during open system pyrolysis was investigated, aiming to improve utilization of lignite with simultaneous treatment of HDPE waste. Pyrolysis of lignite, HDPE, and their mixture (mass ratio, 1:1) was performed at temperatures 400, 450, 500, 550, and 600 °C. Initial substrates and pyrolysis products were characterized by thermogravimetric analysis (TGA), gas chromatography–mass spectrometry (GC– MS), specific carbon isotope analysis of individual hydrocarbons (δ13C), Rock-Eval pyrolysis, and ele-mental analysis. The positive synergetic effect during co-pyrolysis of lignite/HDPE mixture was observed at temperatures ≥450 °C, with the greatest being at 500 °C. The highest yield of liquid co-pyrol-ysis products with a similar composition to that of crude oils is also noticed at 500 °C. The yields of liquid and gaseous products and quality of pyrolytic products obtained by co-pyrolysis of lig-nite/HDPE mixture are n...otably improved compared with pyrolysis of lignite alone. On the other hand, data obtained from pyrolysis of HDPE alone indicate that it cannot be concurrent to well-developed catalytic thermal processes for polymer recycling. However, concerning the huge amount of produced HDPE, at least part of this plastic material can be reused for advanced thermal treatment of lignite, particularly in countries where this low-rank coal represents the main source of energy.
Keywords:
Co-pyrolysis / HDPE / Lignite / Synergetic effect / Aliphatic compounds / Coal industry / Crude oil / Gas chromatography / High density polyethylenes / Lignite / Mass spectrometry / Mixtures / Rock products / Thermogravimetric analysis / Waste treatment / Carbon isotope analysis / High density polyethylene(HDPE) / Polymer recycling / Pyrolysis of lignites / Pyrolysis products / Pyrolytic products / Rock-Eval pyrolysis / Synergetic effect / PyrolysisSource:
Polymers, 2021, 13, 5, 759-Publisher:
- MDPI
Funding / projects:
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200168 (University of Belgrade, Faculty of Chemistry) (RS-200168)
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200288 (Innovation Center of the Faculty of Chemistry) (RS-200288)
- Project No. 451-03-01039/2015-09/05
- Österreichischer Austauschdienst, OeAD (Project No. SRB 18/2016 and Ernst Mach Grant, Ernst Mach— worldwide, Ref. no. ICM-2017-06512)
DOI: 10.3390/polym13050759
ISSN: 2073-4360
PubMed: 33671005
WoS: 000628406300001
Scopus: 2-s2.0-85102263781
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Institution/Community
IHTMTY - JOUR AU - Kojić, Ivan AU - Bechtel, Achim AU - Aleksić, Nikoleta M. AU - Životić, Dragana AU - Trifunović, S. AU - Gajica, Gordana AU - Stojanović, Ksenija PY - 2021 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/4530 AB - The mutual impact of low-quality lignite and high-density polyethylene (HDPE) during open system pyrolysis was investigated, aiming to improve utilization of lignite with simultaneous treatment of HDPE waste. Pyrolysis of lignite, HDPE, and their mixture (mass ratio, 1:1) was performed at temperatures 400, 450, 500, 550, and 600 °C. Initial substrates and pyrolysis products were characterized by thermogravimetric analysis (TGA), gas chromatography–mass spectrometry (GC– MS), specific carbon isotope analysis of individual hydrocarbons (δ13C), Rock-Eval pyrolysis, and ele-mental analysis. The positive synergetic effect during co-pyrolysis of lignite/HDPE mixture was observed at temperatures ≥450 °C, with the greatest being at 500 °C. The highest yield of liquid co-pyrol-ysis products with a similar composition to that of crude oils is also noticed at 500 °C. The yields of liquid and gaseous products and quality of pyrolytic products obtained by co-pyrolysis of lig-nite/HDPE mixture are notably improved compared with pyrolysis of lignite alone. On the other hand, data obtained from pyrolysis of HDPE alone indicate that it cannot be concurrent to well-developed catalytic thermal processes for polymer recycling. However, concerning the huge amount of produced HDPE, at least part of this plastic material can be reused for advanced thermal treatment of lignite, particularly in countries where this low-rank coal represents the main source of energy. PB - MDPI T2 - Polymers T1 - Study of the synergetic effect of co-pyrolysis of lignite and high-density polyethylene aiming to improve utilization of low-rank coal VL - 13 IS - 5 SP - 759 DO - 10.3390/polym13050759 ER -
@article{ author = "Kojić, Ivan and Bechtel, Achim and Aleksić, Nikoleta M. and Životić, Dragana and Trifunović, S. and Gajica, Gordana and Stojanović, Ksenija", year = "2021", abstract = "The mutual impact of low-quality lignite and high-density polyethylene (HDPE) during open system pyrolysis was investigated, aiming to improve utilization of lignite with simultaneous treatment of HDPE waste. Pyrolysis of lignite, HDPE, and their mixture (mass ratio, 1:1) was performed at temperatures 400, 450, 500, 550, and 600 °C. Initial substrates and pyrolysis products were characterized by thermogravimetric analysis (TGA), gas chromatography–mass spectrometry (GC– MS), specific carbon isotope analysis of individual hydrocarbons (δ13C), Rock-Eval pyrolysis, and ele-mental analysis. The positive synergetic effect during co-pyrolysis of lignite/HDPE mixture was observed at temperatures ≥450 °C, with the greatest being at 500 °C. The highest yield of liquid co-pyrol-ysis products with a similar composition to that of crude oils is also noticed at 500 °C. The yields of liquid and gaseous products and quality of pyrolytic products obtained by co-pyrolysis of lig-nite/HDPE mixture are notably improved compared with pyrolysis of lignite alone. On the other hand, data obtained from pyrolysis of HDPE alone indicate that it cannot be concurrent to well-developed catalytic thermal processes for polymer recycling. However, concerning the huge amount of produced HDPE, at least part of this plastic material can be reused for advanced thermal treatment of lignite, particularly in countries where this low-rank coal represents the main source of energy.", publisher = "MDPI", journal = "Polymers", title = "Study of the synergetic effect of co-pyrolysis of lignite and high-density polyethylene aiming to improve utilization of low-rank coal", volume = "13", number = "5", pages = "759", doi = "10.3390/polym13050759" }
Kojić, I., Bechtel, A., Aleksić, N. M., Životić, D., Trifunović, S., Gajica, G.,& Stojanović, K.. (2021). Study of the synergetic effect of co-pyrolysis of lignite and high-density polyethylene aiming to improve utilization of low-rank coal. in Polymers MDPI., 13(5), 759. https://doi.org/10.3390/polym13050759
Kojić I, Bechtel A, Aleksić NM, Životić D, Trifunović S, Gajica G, Stojanović K. Study of the synergetic effect of co-pyrolysis of lignite and high-density polyethylene aiming to improve utilization of low-rank coal. in Polymers. 2021;13(5):759. doi:10.3390/polym13050759 .
Kojić, Ivan, Bechtel, Achim, Aleksić, Nikoleta M., Životić, Dragana, Trifunović, S., Gajica, Gordana, Stojanović, Ksenija, "Study of the synergetic effect of co-pyrolysis of lignite and high-density polyethylene aiming to improve utilization of low-rank coal" in Polymers, 13, no. 5 (2021):759, https://doi.org/10.3390/polym13050759 . .
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