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  • Chen, QuanState Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China (författare)

Influence of CaO on the thermal kinetics and formation mechanism of high value-added products during waste tire pyrolysis

  • Artikel/kapitelEngelska2022

Förlag, utgivningsår, omfång ...

  • Elsevier,2022
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:ltu-90847
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-90847URI
  • https://doi.org/10.1016/j.jhazmat.2022.129220DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

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Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Validerad;2022;Nivå 2;2022-06-21 (hanlid);Funders: National Natural Science Foundation of Distinguished Young Scholars (41925031), Taishan Scholar Foundation of Young Expert (tsqn201812028), National Natural Science Foundation of China (41521003), the Qingdao Science and Technology Bureau (18-6-1-101-nsh, 16-6-2-51- nsh)
  • There is a lack of detailed research on the production of isoprene and D-limonene by solid base-catalysed thermal depolymerization of waste tires (WTs). This work aimed to investigate the thermal decomposition characteristics, reaction kinetics, high value-added products production and potential mechanisms during WT pyrolysis in the presence of calcium oxide (CaO) via Thermogravimetry-Fourier Transform Infrared spectrometer (TG-FTIR) and Pyrolyzer-Gas Chromatography/Mass spectrometry (Py-GC/MS). The results obtained from TG indicated that CaO accelerated depolymerization in terms of reducing the reaction temperature, which is also reflected in the kinetic parameters. It can be found that the content of D-limonene increased by 13.76% and that of isoprene increased by 37.57%, which were attributed to differences in the depolymerization mechanisms in the presence of CaO. Furthermore, CaO had a profound impact on desulfurization by reducing benzothiazole, sulfoacid, and thiophene. The potential catalytic mechanisms of isoprene and D-limonene production and desulfurization were also proposed. This work deepens the understanding of the catalytic pyrolysis of WT under CaO and unambiguously demonstrates the great potential of CaO in enhancing isoprene and D-limonene production, providing new insight for the cleaner production of high value-added products from WT.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Xu, FanfanLuleå tekniska universitet,Energivetenskap,State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China(Swepub:ltu)fanxur (författare)
  • Zong, PeijieState Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China (författare)
  • Song, FanhaoState Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China (författare)
  • Wang, BoState Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China; Sinopec Dalian Research Institute of Petroleum and Petrochemicals, China Petrochemical Corporation, Dalian 116045, China (författare)
  • Tian, YuanyuState Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China; Shandong Engineering and Technology Research Center of High Carbon Low Carbonization, China University of Petroleum (East China), Qingdao 266580, China (författare)
  • Wu, FengchangState Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China (författare)
  • Zhao, XiaoliState Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China (författare)
  • Qiao, YingyunState Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China; Shandong Engineering and Technology Research Center of High Carbon Low Carbonization, China University of Petroleum (East China), Qingdao 266580, China (författare)
  • State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, ChinaEnergivetenskap (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Journal of Hazardous Materials: Elsevier4360304-38941873-3336

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