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Catalytic conversion of Laminaria japonica over microporous zeolites

Author

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  • Lee, Hyung Won
  • Choi, Suek Joo
  • Park, Sung Hoon
  • Jeon, Jong-Ki
  • Jung, Sang-Chul
  • Joo, Sang Hoon
  • Park, Young-Kwon

Abstract

The catalytic pyrolysis of Laminaria japonica was carried out over four different microporous zeolite catalysts, HZSM-5 (SiO2/Al2O3 = 23, 80), HBETA (SiO2/Al2O3 = 25) and HY (SiO2/Al2O3 = 30). The effects of the catalysts on the properties of the resulting pyrolysis products were examined. Py-GC/MS (pyrolysis gas chromatography/mass spectrometry) was used to compare the composition of the bio-oils obtained from the non-catalytic and catalytic pyrolysis. Catalytic upgrading decreased the oil yield but increased the gas yield. The composition of bio-oil was changed to a large extent by catalytic upgrading. Among the oxygenate species contained in the bio-oil, the contents of 1,5-anhydro-d-mannitol and 1,4-anhydro-d-galacitol were reduced considerably by catalytic upgrading, whereas the proportions of furans and cyclopentanones were increased. The formation of high value-added aromatics was enhanced considerably by catalytic upgrading, which was attributed to the acid characteristics of the zeolite catalysts. HZSM-5 (SiO2/Al2O3 = 23), which had the strongest acid sites, showed the highest selectivity for aromatics production.

Suggested Citation

  • Lee, Hyung Won & Choi, Suek Joo & Park, Sung Hoon & Jeon, Jong-Ki & Jung, Sang-Chul & Joo, Sang Hoon & Park, Young-Kwon, 2014. "Catalytic conversion of Laminaria japonica over microporous zeolites," Energy, Elsevier, vol. 66(C), pages 2-6.
    • Handle: RePEc:eee:energy:v:66:y:2014:i:c:p:2-6
    DOI: 10.1016/j.energy.2013.05.023
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    Cited by:

    1. Jin, Sung Ho & Lee, Hyung Won & Ryu, Changkook & Jeon, Jong-Ki & Park, Young-Kwon, 2015. "Catalytic fast pyrolysis of Geodae-Uksae 1 over zeolites," Energy, Elsevier, vol. 81(C), pages 41-46.
    2. Wijayanta, Agung Tri & Aziz, Muhammad, 2019. "Ammonia production from algae via integrated hydrothermal gasification, chemical looping, N2 production, and NH3 synthesis," Energy, Elsevier, vol. 174(C), pages 331-338.
    3. Fasahati, Peyman & Woo, Hee Chul & Liu, J. Jay, 2015. "Industrial-scale bioethanol production from brown algae: Effects of pretreatment processes on plant economics," Applied Energy, Elsevier, vol. 139(C), pages 175-187.
    4. Song, Minkyung & Duc Pham, Hong & Seon, Jiyun & Chul Woo, Hee, 2015. "Marine brown algae: A conundrum answer for sustainable biofuels production," Renewable and Sustainable Energy Reviews, Elsevier, vol. 50(C), pages 782-792.
    5. John J. Milledge & Benjamin Smith & Philip W. Dyer & Patricia Harvey, 2014. "Macroalgae-Derived Biofuel: A Review of Methods of Energy Extraction from Seaweed Biomass," Energies, MDPI, vol. 7(11), pages 1-29, November.
    6. Lee, Hyung Won & Jun, Bo Ram & Kim, Hannah & Kim, Do Heui & Jeon, Jong-Ki & Park, Sung Hoon & Ko, Chang Hyun & Kim, Tae-Wan & Park, Young-Kwon, 2015. "Catalytic hydrodeoxygenation of 2-methoxy phenol and dibenzofuran over Pt/mesoporous zeolites," Energy, Elsevier, vol. 81(C), pages 33-40.

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