Open AccessLow-temperature treatment of waste PET
Author(s) -
Pavel Straka,
Olga Bičáková,
Nikoleta Čímová
Publication year - 2021
Publication title -
paliva
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.111
H-Index - 1
ISSN - 1804-2058
DOI - 10.35933/paliva.2021.01.01
Subject(s) - pyrolysis , polyethylene terephthalate , ethylene glycol , ethylene , waste management , materials science , municipal solid waste , polyethylene glycol , chemical engineering , organic chemistry , chemistry , catalysis , composite material , engineering
Today, waste plastics represent a promising source both for energy production and chemicals. One way to use their potential is pyrolysis under well-defined conditions. This work presents a suitable method for treat-ment of waste polyethylene terephthalate (PET) using low-temperature pyrolysis realized by heating rates of 5 °C.min-1 (slow pyrolysis) or 25 °C.min-1 (fast pyrolysis) up to final temperature of 400 °C. Under these con-ditions, the valuable products were formed, namely solid fuel with HHV 31-33 MJ.kg-1 and liquid mixture containing mainly ethylene glycol and aldehydes. While slow pyrolysis provides mainly solid fuel, ethylene glycol and aldehydes, main products of fast pyrolysis are solid fuel and paraldehyde.