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Air gasification of mixed plastic wastes using calcined dolomite and activated carbon in a two-stage gasifier to reduce tar

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  • Cho, Min-Hwan
  • Mun, Tae-Young
  • Kim, Joo-Sik

Abstract

In this experiment, air gasification was conducted with a fraction of mixed plastic wastes using a two-stage gasifier. Calcined dolomite as a bed material and activated carbon as a tar-cracking additive were simultaneously used for the production of a producer gas containing low tar and high hydrogen. The effects of the bed material, equivalence ratio (ER), amount of activated carbon, and temperatures in two reaction zones (the upper- and lower-reactor) on the composition of producer gas and amount of tar generated were investigated. When the amount of activated carbon increased from 0 to 900 g using calcined dolomite as the bed material, the concentrations of H2 and CO in the producer gas increased sharply from 14.9 to 26.1 vol% and from 9.4 to 16.8 vol%, respectively. When 900 g of activated carbon was applied, the total tar amount was about 96% less than that obtained with only silica sand as the bed material. The maximum Lower Heating Value (LHV) of the producer gas was about 13.4 MJ/Nm3.

Suggested Citation

  • Cho, Min-Hwan & Mun, Tae-Young & Kim, Joo-Sik, 2013. "Air gasification of mixed plastic wastes using calcined dolomite and activated carbon in a two-stage gasifier to reduce tar," Energy, Elsevier, vol. 53(C), pages 299-305.
    • Handle: RePEc:eee:energy:v:53:y:2013:i:c:p:299-305
    DOI: 10.1016/j.energy.2013.02.041
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    Cited by:

    1. Kim, Jong-Woo & Jeong, Yong-Seong & Kim, Joo-Sik, 2022. "Bubbling fluidized bed biomass gasification using a two-stage process at 600 °C: A way to avoid bed agglomeration," Energy, Elsevier, vol. 250(C).
    2. Arena, Umberto & Di Gregorio, Fabrizio, 2014. "Energy generation by air gasification of two industrial plastic wastes in a pilot scale fluidized bed reactor," Energy, Elsevier, vol. 68(C), pages 735-743.
    3. Huang, Jijiang & Veksha, Andrei & Chan, Wei Ping & Giannis, Apostolos & Lisak, Grzegorz, 2022. "Chemical recycling of plastic waste for sustainable material management: A prospective review on catalysts and processes," Renewable and Sustainable Energy Reviews, Elsevier, vol. 154(C).
    4. Bassey, Uduak & Sarquah, Khadija & Hartmann, Michael & Tom, Abasi-ofon & Beck, Gesa & Antwi, Edward & Narra, Satyanarayana & Nelles, Michael, 2023. "Thermal treatment options for single-use, multilayered and composite waste plastics in Africa," Energy, Elsevier, vol. 270(C).
    5. Cho, Min-Hwan & Mun, Tae-Young & Kim, Joo-Sik, 2013. "Production of low-tar producer gas from air gasification of mixed plastic waste in a two-stage gasifier using olivine combined with activated carbon," Energy, Elsevier, vol. 58(C), pages 688-694.
    6. Kim, Jae-Kyung & Jeong, Yong-Seong & Kim, Jong-Woo & Kim, Joo-Sik, 2023. "Two-stage thermochemical conversion of polyethylene terephthalate using steam to produce a clean and H2- and CO-rich syngas," Energy, Elsevier, vol. 276(C).
    7. Inayat, Muddasser & Sulaiman, Shaharin A. & Kurnia, Jundika Candra & Shahbaz, Muhammad, 2019. "Effect of various blended fuels on syngas quality and performance in catalytic co-gasification: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 105(C), pages 252-267.
    8. Shahbaz, Muhammad & Al-Ansari, Tareq & Inayat, Muddasser & Sulaiman, Shaharin A. & Parthasarathy, Prakash & McKay, Gordon, 2020. "A critical review on the influence of process parameters in catalytic co-gasification: Current performance and challenges for a future prospectus," Renewable and Sustainable Energy Reviews, Elsevier, vol. 134(C).
    9. Jeong, Yong-Seong & Choi, Young-Kon & Park, Ki-Bum & Kim, Joo-Sik, 2019. "Air co-gasification of coal and dried sewage sludge in a two-stage gasifier: Effect of blending ratio on the producer gas composition and tar removal," Energy, Elsevier, vol. 185(C), pages 708-716.
    10. Cho, Min-Hwan & Choi, Young-Kon & Kim, Joo-Sik, 2015. "Air gasification of PVC (polyvinyl chloride)-containing plastic waste in a two-stage gasifier using Ca-based additives and Ni-loaded activated carbon for the production of clean and hydrogen-rich prod," Energy, Elsevier, vol. 87(C), pages 586-593.
    11. Choi, Min-Jun & Jeong, Yong-Seong & Kim, Joo-Sik, 2021. "Air gasification of polyethylene terephthalate using a two-stage gasifier with active carbon for the production of H2 and CO," Energy, Elsevier, vol. 223(C).
    12. Jeong, Yong-Seong & Park, Ki-Bum & Kim, Joo-Sik, 2020. "Hydrogen production from steam gasification of polyethylene using a two-stage gasifier and active carbon," Applied Energy, Elsevier, vol. 262(C).
    13. Cho, Min-Hwan & Mun, Tae-Young & Choi, Young-Kon & Kim, Joo-Sik, 2014. "Two-stage air gasification of mixed plastic waste: Olivine as the bed material and effects of various additives and a nickel-plated distributor on the tar removal," Energy, Elsevier, vol. 70(C), pages 128-134.
    14. Ibrahim, A. & Veremieiev, S. & Gaskell, P.H., 2022. "An advanced, comprehensive thermochemical equilibrium model of a downdraft biomass gasifier," Renewable Energy, Elsevier, vol. 194(C), pages 912-925.
    15. Li, Bin & Magoua Mbeugang, Christian Fabrice & Huang, Yong & Liu, Dongjing & Wang, Qian & Zhang, Shu, 2022. "A review of CaO based catalysts for tar removal during biomass gasification," Energy, Elsevier, vol. 244(PB).
    16. Jeong, Yong-Seong & Choi, Young-Kon & Kim, Joo-Sik, 2019. "Three-stage air gasification of waste polyethylene: In-situ regeneration of active carbon used as a tar removal additive," Energy, Elsevier, vol. 166(C), pages 335-342.
    17. Rizkiana, Jenny & Guan, Guoqing & Widayatno, Wahyu Bambang & Hao, Xiaogang & Li, Xiumin & Huang, Wei & Abudula, Abuliti, 2014. "Promoting effect of various biomass ashes on the steam gasification of low-rank coal," Applied Energy, Elsevier, vol. 133(C), pages 282-288.
    18. Choi, Young-Kon & Cho, Min-Hwan & Kim, Joo-Sik, 2015. "Steam/oxygen gasification of dried sewage sludge in a two-stage gasifier: Effects of the steam to fuel ratio and ash of the activated carbon on the production of hydrogen and tar removal," Energy, Elsevier, vol. 91(C), pages 160-167.
    19. Ichiro Tsuchimoto & Yuya Kajikawa, 2022. "Recycling of Plastic Waste: A Systematic Review Using Bibliometric Analysis," Sustainability, MDPI, vol. 14(24), pages 1-39, December.

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