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Pyro–catalytic co–pyrolysis of Delonix regia and butyl rubber tube: Kinetic modelling and thermodynamic insights

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  • Rammohan, Draksharapu
  • Kishore, Nanda
  • Uppaluri, Ramagopal V.S.

Abstract

The target of the proposed work was to compute the kinetic modelling (KM) and thermodynamic insights (TI) for the pyro-catalytic co-pyrolysis (PCCP) of Delonix regia (DR) and Butyl rubber tube (BRT). For PCCP of DR and BRT (1:1 co-feed), three different types of catalysts were utilized: zeolite (Na–Y), noble metal on activated carbon (10 wt % Pt/C), and metal oxide (1:1 wt % TiO2–ZnO) catalysts of loading between 30 and 10 wt %. For computing KM and TI, several iso-conversional models such as Friedman (FM), Flynn–Wall– Ozawa (FWO), Kissinger–Akahira–Sunose (KAS), Starink (STK), and Distributed Activation Energy Method (DAEM) were applied. At DR:BRT:Na-Y (1:1:10 wt %), the FWO model ascertained the lowest average values of activation energy Eα (kJ/mol) and pre-exponential factor A (s−1) as 180 and 5.95E+16, respectively whereas ΔH (kJ/mol) and ΔG (kJ/mol) as 175 and 180 for TI correspondingly.

Suggested Citation

  • Rammohan, Draksharapu & Kishore, Nanda & Uppaluri, Ramagopal V.S., 2022. "Pyro–catalytic co–pyrolysis of Delonix regia and butyl rubber tube: Kinetic modelling and thermodynamic insights," Renewable Energy, Elsevier, vol. 201(P1), pages 194-203.
  • Handle: RePEc:eee:renene:v:201:y:2022:i:p1:p:194-203
    DOI: 10.1016/j.renene.2022.10.099
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    References listed on IDEAS

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    1. Liew, Jia Xin & Loy, Adrian Chun Minh & Chin, Bridgid Lai Fui & AlNouss, Ahmed & Shahbaz, Muhammad & Al-Ansari, Tareq & Govindan, Rajesh & Chai, Yee Ho, 2021. "Synergistic effects of catalytic co-pyrolysis of corn cob and HDPE waste mixtures using weight average global process model," Renewable Energy, Elsevier, vol. 170(C), pages 948-963.
    2. Kawale, Harshal D. & Kishore, Nanda, 2021. "Comprehensive study on thermochemical putrefaction of Delonix Regia in non-catalytic, catalytic and hydro-catalytic pyrolysis atmospheres," Renewable Energy, Elsevier, vol. 173(C), pages 223-236.
    3. Kawale, Harshal D. & Kishore, Nanda, 2019. "Production of hydrocarbons from a green algae (Oscillatoria) with exploration of its fuel characteristics over different reaction atmospheres," Energy, Elsevier, vol. 178(C), pages 344-355.
    4. Alam, Mahboob & Rammohan, Draksharapu & Peela, Nageswara Rao, 2021. "Catalytic co-pyrolysis of wet-torrefied bamboo sawdust and plastic over the zeolite H-ZSM-5: Synergistic effects and kinetics," Renewable Energy, Elsevier, vol. 178(C), pages 608-619.
    5. Kawale, Harshal D. & Kishore, Nanda, 2020. "Comparative study on pyrolysis of Delonix Regia, Pinewood sawdust and their co-feed for plausible bio-fuels production," Energy, Elsevier, vol. 203(C).
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    1. Ahmed, Gaffer & Kishore, Nanda, 2023. "Fuel phase extraction from pyrolytic liquid of Azadirachta indica biomass followed by subsequent characterization of pyrolysis products," Renewable Energy, Elsevier, vol. 219(P1).

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