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Title: The Influence of Process Conditions on the Chemical Composition of Pine Wood Catalytic Pyrolysis Oils

Pine wood samples were used as model feedstock to study the properties of catalytic fast pyrolysis oils. The influence of two commercial zeolite catalysts (BASF and SudChem) and pretreatment of the pine wood with sodium hydroxide on pyrolysis products were investigated. The pyrolysis oils were first fractionated using column chromatography and characterized using GC-MS. Long chain aliphatic hydrocarbons, levoglucosan, aldehydes and ketones, guaiacols/syringols, and benzenediols were the major compounds identified in the pyrolysis oils. The catalytic pyrolysis increased the polycyclic hydrocarbons fraction. Significant decreases in phthalate derivatives using SudChem and long chain aliphatics using BASF catalyst were observed. Significant amounts of aromatic heterocyclic hydrocarbons and benzene derivatives were formed, respectively, using BASF and SudChem catalysts. Guaiacyl/syringyl and benzenediols derivatives were partly suppressed by the zeolite catalysts, while the sodium hydroxide treatment enriched phenolic derivatives. Zeolite catalyst and sodium hydroxide were employed together; they showed different results for each catalyst.
 [1] ;  [2] ;  [1]
  1. Department of Biological Systems Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
  2. Department of Biological Engineering, Utah State University, Logan, UT 84341, USA
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Published Article
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ISRN Renewable Energy
Additional Journal Information:
Journal Volume: 2012; Related Information: CHORUS Timestamp: 2017-12-10 07:31:39; Journal ID: ISSN 2090-746X
Hindawi (International Scholarly Research Network)
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