LAPSE:2023.18266
Published Article
LAPSE:2023.18266
Py-GC-MS Study on Catalytic Pyrolysis of Biocrude Obtained via HTL of Fruit Pomace
Mariusz Wądrzyk, Marek Plata, Kamila Zaborowska, Rafał Janus, Marek Lewandowski
March 7, 2023
Herein, we proposed new two-stage processing of blackcurrant pomace toward a value-added, hydrocarbon-rich biocrude fraction. The approach consisted of thermochemical liquefaction of a wet-type organic matter into liquid biocrude followed by its upgrade by thermal and catalytic pyrolysis. Particularly, we put effort into investigating the effect of selected catalysts (ZSM-5 and HY zeolite) on the composition of the volatiles released during the pyrolysis of the biocrude. The latter was obtained through liquefaction of the raw material in the binary solvent system of water and isopropanol. The biocrude yield accounted for ca. 45 wt.% of the initial dry biomass. It was a complex mixture of various component groups with an abundant share of oxygenates, especially carboxylic acids and esters. Thereafter, the biocrude was subjected to a pyrolysis study performed by means of the microscale coupled pyrolysis-gas chromatography-mass spectrometry technique (Py-GC-MS). The dominant components identified in the catalytic pyrolytic volatiles were unsaturated hydrocarbons (both cyclic and aliphatic ones) and, to a lesser extent, oxygen and nitrogen compounds. The addition of the ZSM-5 and HY zeolite allowed us to attain the relative total share of hydrocarbons in the volatile fraction equal to 66% and 73%, respectively (in relation to identified compounds). Thus, catalytic pyrolysis over zeolites seems to be particularly prospective due to the promotion of the deoxygenation reactions, which manifested in the noticeable decrease in the share of oxygen compounds in the evolved volatiles. The developed innovative two-stage processing of blackcurrant pomaces allows for obtaining value-added products that could serve as chemicals, biocomponents, and self-contained biofuels as well as bioplastic precursors. The presented contribution brings some new insights into the field of valorization of residuals generated by the food industry sector.
Keywords
bio-oil, biocrude, Biomass, bioproducts, blackcurrant pomace, fruit pomace, hydrothermal liquefaction, pyrolysis, Renewable and Sustainable Energy, upgrading
Suggested Citation
Wądrzyk M, Plata M, Zaborowska K, Janus R, Lewandowski M. Py-GC-MS Study on Catalytic Pyrolysis of Biocrude Obtained via HTL of Fruit Pomace. (2023). LAPSE:2023.18266
Author Affiliations
Wądrzyk M: Faculty of Energy and Fuels, AGH University of Science and Technology, A. Mickiewicza Av. 30, 30-059 Kraków, Poland; AGH Centre of Energy, AGH University of Science and Technology, Czarnowiejska 36, 30-054 Kraków, Poland [ORCID]
Plata M: Faculty of Energy and Fuels, AGH University of Science and Technology, A. Mickiewicza Av. 30, 30-059 Kraków, Poland
Zaborowska K: Faculty of Energy and Fuels, AGH University of Science and Technology, A. Mickiewicza Av. 30, 30-059 Kraków, Poland
Janus R: Faculty of Energy and Fuels, AGH University of Science and Technology, A. Mickiewicza Av. 30, 30-059 Kraków, Poland; AGH Centre of Energy, AGH University of Science and Technology, Czarnowiejska 36, 30-054 Kraków, Poland [ORCID]
Lewandowski M: Faculty of Energy and Fuels, AGH University of Science and Technology, A. Mickiewicza Av. 30, 30-059 Kraków, Poland; AGH Centre of Energy, AGH University of Science and Technology, Czarnowiejska 36, 30-054 Kraków, Poland [ORCID]
Journal Name
Energies
Volume
14
Issue
21
First Page
7288
Year
2021
Publication Date
2021-11-03
Published Version
ISSN
1996-1073
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PII: en14217288, Publication Type: Journal Article
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doi:10.3390/en14217288
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