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PYROLYSIS OF POLYETHYLENE IN THE LABORATORY CONDITIONS

Ticha, M.; Dirner, V.; Kucerova, R.; Ossova, K.; Szturcova, M.
Abstract:
One of the possible innovative ways how to process and utilize waste is its pyrolysis in the pyrolysis unit Pyromatic 250. The tests were conducted by Ostravská LTS, a.s. in laboratory conditions in the ENET Center of VŠB-TU Ostrava. The input material was provided by MEVAPACK, s.r.o. Pyrolysis is a thermal decomposition of organic substances without access of oxygen. This decomposition produces three fractions – liquid fraction, gaseous fraction and a solid residue. These can be used for heating of the pyrolysis unit or, after they are refined, as a standard fuel. Processes occurring during pyrolysis are drying, the so-called dry distillation, high-molecular pyrolysis. Parameters that influence the pyrolysis are the holding time in the reactor, temperature of the process and the heating speed. The pyrolysis unit is equipped with measuring sensors and, for the purpose of analyses, it is possible to take samples from all three phases (gas, liquid and solid phase). The core (retort) of the screw conveyor is made of steel with a heat resistance of up to 1,000 °C. The pyrolysis gas from the process is cooled and collected in a gasholder. The analysis of pyrolysis oil in MND a.s. revealed a lower flash point on one hand, but on the other hand acceptable content of sulphur and chlorine, and calorific value of 25.47 MJ/kg.
SGEM Research areas:
Year:
2018
Type of Publication:
In Proceedings
Keywords:
waste; pyrolysis; polyethylene; pyrolysis unit; PYROMATIC 250
Volume:
18
SGEM Book title:
18th International Multidisciplinary Scientific GeoConference SGEM2018
Book number:
4.3
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
97-102
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
3 – 6 December, 2018
ISBN:
978-619-7408-70-6
ISSN:
1314-2704
Conference:
18th International Multidisciplinary Scientific GeoConference SGEM2018, 3 – 6 December, 2018
DOI:
10.5593/sgem2018V/4.3/S05.012
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