Different reaction behaviours of light or heavy density polyethylene during the pyrolysis with biochar as the catalyst.
Identifieur interne : 000479 ( Main/Exploration ); précédent : 000478; suivant : 000480Different reaction behaviours of light or heavy density polyethylene during the pyrolysis with biochar as the catalyst.
Auteurs : Chao Li [République populaire de Chine] ; Chenting Zhang [République populaire de Chine] ; Mortaza Gholizadeh [Iran] ; Xun Hu [République populaire de Chine]Source :
- Journal of hazardous materials [ 1873-3336 ] ; 2020.
Abstract
Polyethylene is a major contributor of plastic waste, which can be converted into liquid fuel via catalytic pyrolysis. In this study, the pyrolysis of light or heavy density polyethylene (LDPE and HDPE) and their mixture with the biochar produced from gasification of poplar wood as catalyst was investigated. The results showed that, during the co-pyrolysis of LDPE and HDPE in absence or presence of biochar catalyst, cross-interaction of reaction intermediates originated from the degradation of LDPE and HDPE substantially promoted the formation of gaseous products and the evolution of heavy organics with π-conjugated structures in the tar. During the pyrolysis of HDPE, more heavy tar while less wax was produced, while it was contrary during the pyrolysis of LDPE. In the catalytic pyrolysis of LDPE, the volatiles could be effectively cracked over the biochar catalyst, forming more gases, while in the catalytic pyrolysis of HDPE, instead of catalyzing the cracking of the heavy components, the biochar catalyzed the polymerisation reactions. The properties of the biochar catalyst in terms of crystallinity, surface functionality, and internal structures also changed remarkably due to the transfer of oxygen-containing species from the polyethylene to biochar and the interaction of biochar with volatiles in the pyrolysis.
DOI: 10.1016/j.jhazmat.2020.123075
PubMed: 32544769
Affiliations:
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Electronic address: m.gholizadeh@tabrizu.ac.ir.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Faculty of Chemical and Petroleum Engineering, University of Tabriz, Tabriz</wicri:regionArea><wicri:noRegion>Tabriz</wicri:noRegion></affiliation></author><author><name sortKey="Hu, Xun" sort="Hu, Xun" uniqKey="Hu X" first="Xun" last="Hu">Xun Hu</name><affiliation wicri:level="1"><nlm:affiliation>School of Material Science and Engineering, University of Jinan, Jinan, 250022, PR China. Electronic address: Xun.Hu@outlook.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>School of Material Science and Engineering, University of Jinan, Jinan, 250022</wicri:regionArea><wicri:noRegion>250022</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of hazardous materials</title><idno type="eISSN">1873-3336</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Polyethylene is a major contributor of plastic waste, which can be converted into liquid fuel via catalytic pyrolysis. In this study, the pyrolysis of light or heavy density polyethylene (LDPE and HDPE) and their mixture with the biochar produced from gasification of poplar wood as catalyst was investigated. The results showed that, during the co-pyrolysis of LDPE and HDPE in absence or presence of biochar catalyst, cross-interaction of reaction intermediates originated from the degradation of LDPE and HDPE substantially promoted the formation of gaseous products and the evolution of heavy organics with π-conjugated structures in the tar. During the pyrolysis of HDPE, more heavy tar while less wax was produced, while it was contrary during the pyrolysis of LDPE. In the catalytic pyrolysis of LDPE, the volatiles could be effectively cracked over the biochar catalyst, forming more gases, while in the catalytic pyrolysis of HDPE, instead of catalyzing the cracking of the heavy components, the biochar catalyzed the polymerisation reactions. The properties of the biochar catalyst in terms of crystallinity, surface functionality, and internal structures also changed remarkably due to the transfer of oxygen-containing species from the polyethylene to biochar and the interaction of biochar with volatiles in the pyrolysis.</div></front></TEI><pubmed><MedlineCitation Status="In-Process" Owner="NLM"><PMID Version="1">32544769</PMID><DateRevised><Year>2020</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-3336</ISSN><JournalIssue CitedMedium="Internet"><Volume>399</Volume><PubDate><Year>2020</Year><Month>11</Month><Day>15</Day></PubDate></JournalIssue><Title>Journal of hazardous materials</Title><ISOAbbreviation>J Hazard Mater</ISOAbbreviation></Journal><ArticleTitle>Different reaction behaviours of light or heavy density polyethylene during the pyrolysis with biochar as the catalyst.</ArticleTitle><Pagination><MedlinePgn>123075</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0304-3894(20)31064-5</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jhazmat.2020.123075</ELocationID><Abstract><AbstractText>Polyethylene is a major contributor of plastic waste, which can be converted into liquid fuel via catalytic pyrolysis. In this study, the pyrolysis of light or heavy density polyethylene (LDPE and HDPE) and their mixture with the biochar produced from gasification of poplar wood as catalyst was investigated. The results showed that, during the co-pyrolysis of LDPE and HDPE in absence or presence of biochar catalyst, cross-interaction of reaction intermediates originated from the degradation of LDPE and HDPE substantially promoted the formation of gaseous products and the evolution of heavy organics with π-conjugated structures in the tar. During the pyrolysis of HDPE, more heavy tar while less wax was produced, while it was contrary during the pyrolysis of LDPE. In the catalytic pyrolysis of LDPE, the volatiles could be effectively cracked over the biochar catalyst, forming more gases, while in the catalytic pyrolysis of HDPE, instead of catalyzing the cracking of the heavy components, the biochar catalyzed the polymerisation reactions. The properties of the biochar catalyst in terms of crystallinity, surface functionality, and internal structures also changed remarkably due to the transfer of oxygen-containing species from the polyethylene to biochar and the interaction of biochar with volatiles in the pyrolysis.</AbstractText><CopyrightInformation>Copyright © 2020 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Chao</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>School of Material Science and Engineering, University of Jinan, Jinan, 250022, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Chenting</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>School of Material Science and Engineering, University of Jinan, Jinan, 250022, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gholizadeh</LastName><ForeName>Mortaza</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Faculty of Chemical and Petroleum Engineering, University of Tabriz, Tabriz, Iran. Electronic address: m.gholizadeh@tabrizu.ac.ir.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hu</LastName><ForeName>Xun</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>School of Material Science and Engineering, University of Jinan, Jinan, 250022, PR China. Electronic address: Xun.Hu@outlook.com.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>05</Month><Day>30</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>J Hazard Mater</MedlineTA><NlmUniqueID>9422688</NlmUniqueID><ISSNLinking>0304-3894</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Biochar catalyst</Keyword><Keyword MajorTopicYN="Y">Catalyst pyrolysis</Keyword><Keyword MajorTopicYN="Y">Cross-interaction</Keyword><Keyword MajorTopicYN="Y">Polyethylene</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>03</Month><Day>09</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>04</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>05</Month><Day>26</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>6</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>6</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>6</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32544769</ArticleId><ArticleId IdType="pii">S0304-3894(20)31064-5</ArticleId><ArticleId IdType="doi">10.1016/j.jhazmat.2020.123075</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Iran</li><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Li, Chao" sort="Li, Chao" uniqKey="Li C" first="Chao" last="Li">Chao Li</name></noRegion><name sortKey="Hu, Xun" sort="Hu, Xun" uniqKey="Hu X" first="Xun" last="Hu">Xun Hu</name><name sortKey="Zhang, Chenting" sort="Zhang, Chenting" uniqKey="Zhang C" first="Chenting" last="Zhang">Chenting Zhang</name></country><country name="Iran"><noRegion><name sortKey="Gholizadeh, Mortaza" sort="Gholizadeh, Mortaza" uniqKey="Gholizadeh M" first="Mortaza" last="Gholizadeh">Mortaza Gholizadeh</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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