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The use of calcined seashell for the prevention of char foaming/agglomeration and the production of high-quality oil during the pyrolysis of lignin

Author

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  • Lee, Hyung Won
  • Kim, Young-Min
  • Jae, Jungho
  • Lee, Soo Min
  • Jung, Sang-Chul
  • Park, Young-Kwon

Abstract

Calcined waste seashell powder from cockles and mussels was used as the pretreatment materials for kraft lignin (KL), and their impacts on the pyrolysis behavior of KL were examined using a laboratory-scale fixed bed reactor and thermogravimetric analysis. The highest intensity of the CaO peak was observed on the XRD patterns of the seashell obtained from the calcination of mussel shells at 800 °C (M8). Char foaming was not detected when the water treated KL/seashell were pyrolyzed at 500 °C. In contrast, severe char foaming and agglomeration were observed when KL alone and a physical mixture of M8 and KL (KL/M8-mix) were pyrolyzed at the same temperature. The pyrolysis of water-treated KL/M8 (KL/M8/water) also produced much higher quality oil than those of KL alone or the KL/M8 mixture, showing higher selectivity to light phenols and aromatics. The decomposition temperature of KL was also decreased using M8 with water due to the catalytic effect of calcium oxide.

Suggested Citation

  • Lee, Hyung Won & Kim, Young-Min & Jae, Jungho & Lee, Soo Min & Jung, Sang-Chul & Park, Young-Kwon, 2019. "The use of calcined seashell for the prevention of char foaming/agglomeration and the production of high-quality oil during the pyrolysis of lignin," Renewable Energy, Elsevier, vol. 144(C), pages 147-152.
    • Handle: RePEc:eee:renene:v:144:y:2019:i:c:p:147-152
    DOI: 10.1016/j.renene.2018.07.093
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    Cited by:

    1. Ha, Jeong-Myeong & Hwang, Kyung-Ran & Kim, Young-Min & Jae, Jungho & Kim, Kwang Ho & Lee, Hyung Won & Kim, Jae-Young & Park, Young-Kwon, 2019. "Recent progress in the thermal and catalytic conversion of lignin," Renewable and Sustainable Energy Reviews, Elsevier, vol. 111(C), pages 422-441.
    2. Guan, Weixiang & Chen, Xiao & Zhang, Jie & Hu, Haoquan & Liang, Changhai, 2020. "Catalytic transfer hydrogenolysis of lignin α-O-4 model compound 4-(benzyloxy)phenol and lignin over Pt/HNbWO6/CNTs catalyst," Renewable Energy, Elsevier, vol. 156(C), pages 249-259.
    3. Mayank Patel & Nick Hill & Charles A. Mullen & Sampath Gunukula & William J. DeSisto, 2020. "Fast Pyrolysis of Lignin Pretreated with Magnesium Formate and Magnesium Hydroxide," Energies, MDPI, vol. 13(19), pages 1-10, September.

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