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Fluids Production from Wood Wastes via Pyrolysis

Journal Name:

  • International Journal of Science and Engineering Investigations

Publication Year:

  • 2012

Key Words:

Author NameUniversity of Author
Abstract (2. Language): 
Woody pruning residues of fast-growing species, namely Casuarina glauca, C. cunninghamiana, Eucalyptus camaldulensis, E. microtheca, Prosopis juliflora, Acacia ampliceps, Ficus retusa, Citrus sinensis, Malus domestica, and Psidium guajava were pyrolyzed at 450C with 2.5C/minutes in a flowing N2-atmosphere. Properties of the pyrolytic fluidy products, namely distillate and noncondensible gases (NG) were determined. They were species dependent except for the yields of N2-liquid trap distillate (NLTD) and NG. The yield of NLTD ranged from 20.37 % to 30.64 % with GHC varying from 3658 to 4923 calories/g for E. camaldulensis and F.retusa, respectively. The range of NG yield ranged from 28.4 % to 38.4%. Chemical identification of the methylene chloride fraction (MCF) from the NLTD was made using GLC-MS. The highest phenolics content in the MCF was 73.01% for E.camaldulensis. Syringol, with the highest yield generally, and guaiacol were detected in all MCF's except for M. domestica and P.guajava that were free of guaiacol. Further, C. cunninghamiana had the highest content of aromatics other than phenolics (48.01 %). The highest heterocyclics content was detected for E. microtheca (31.12%) with the predominance of 3-acetyl-6-methyl-pyran-2, 4-dione. P. guajava had the highest aliphatics content (80.14%), especially hexadecanoic acid.
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  • 8
31-42
  • English

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