Enhancement of aromatics and syngas production by co-pyrolysis of biomass and plastic waste using biochar-based catalysts in microwave field

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dc.contributor.authorWang B
dc.contributor.authorChen Y
dc.contributor.authorChen W
dc.contributor.authorHu J
dc.contributor.authorChang C
dc.contributor.authorPang, Shusheng
dc.contributor.authorLi P
dc.date.accessioned2024-07-01T00:36:38Z
dc.date.available2024-07-01T00:36:38Z
dc.date.issued2024
dc.description.abstractIn this study, O-rich biomass (bamboo) was co pyrolyzed with H-rich plastic waste (PE) based on the biochar-based catalysts to investigate the yield and quality of pyrolysis oil and syngas. Focusing on the variations of aromatics and phenolics, to reveal the synergetic mechanism between biomass and PE in microwave field. Biomass is “rich in O and lack of H”, and waste plastics are “rich in C and rich in O” which can provide a lot of H radicals for catalytic pyrolysis of biomass, improve the quality of bio-oil. And the active factors of biomass effectively activated PE. The biochar-based catalysts further promoted deoxygenation and arylation reactions, intensifying the generation of aromatics and reducing oxygen 25 containing compounds (phenols, etc.). Bamboo: PE=1: 3 catalyzed by Zr-modified biochar-based catalysts resulted in aromatics yielded as high as 74.13%, while phenols yields was only 9.39%. Incorporation of the externally H-donor PE promoted the growth of carbon chains, and the microwave field activated free radicals which facilitated the cyclization and arylation of carbon. The biochar-based catalysts also promoted the generation of high-value monocyclic aromatics by utilizing the selective ability in the microwave field. Finally, the coupled synergistic mechanism of co-pyrolysis in microwave field was proposed.
dc.identifier.citationWang B, Chen Y, Chen W, Hu J, Chang C, Pang S, Li P (2024). Enhancement of aromatics and syngas production by co-pyrolysis of biomass and plastic waste using biochar-based catalysts in microwave field. Energy. 130711-130711.
dc.identifier.doihttp://doi.org/10.1016/j.energy.2024.130711
dc.identifier.issn0360-5442
dc.identifier.urihttps://hdl.handle.net/10092/106700
dc.languageen
dc.publisherElsevier BV
dc.rightsAll rights reserved unless otherwise stated
dc.rights.urihttp://hdl.handle.net/10092/17651
dc.subjectBiomass
dc.subjectPlastic waste
dc.subjectCo-pyrolysis
dc.subjectBiochar-based catalyst
dc.subject.anzsrc40 - Engineering::4017 - Mechanical engineering::401703 - Energy generation, conversion and storage (excl. chemical and electrical)
dc.subject.anzsrc40 - Engineering::4011 - Environmental engineering::401106 - Waste management, reduction, reuse and recycling
dc.subject.anzsrc40 - Engineering::4016 - Materials engineering::401609 - Polymers and plastics
dc.subject.anzsrc40 - Engineering::4004 - Chemical engineering::400408 - Reaction engineering (excl. nuclear reactions)
dc.subject.anzsrc34 - Chemical sciences::3406 - Physical chemistry::340601 - Catalysis and mechanisms of reactions
dc.subject.anzsrc34 - Chemical sciences::3405 - Organic chemistry::340504 - Organic green chemistry
dc.titleEnhancement of aromatics and syngas production by co-pyrolysis of biomass and plastic waste using biochar-based catalysts in microwave field
dc.typeJournal Article
uc.collegeFaculty of Engineering
uc.departmentChemical and Process Engineering
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