Fractional condensation of bio-oil vapors produced from birch bark pyrolysis

Akhil Tumbalam Gooty, Dongbing Li, Cedric Briens, Franco Berruti

Research output: Journal PublicationArticlepeer-review

64 Citations (Scopus)


The bio-oil vapors produced from the pyrolysis of birch bark have been fractionated using a series of three condensers maintained at different temperatures. The temperatures of the condensers have been optimized in order to separate the water present in the bio-oil vapor stream from the organic phases and, consequently, increase the quality and the stability of the bio-oil. The condenser train consisted of an electrostatic precipitator-cum-condenser (C-ESP) installed between two cyclonic condensers. As a result of the high efficiency of the fractional condensation system, the water content of the fractionated bio-oil was reduced to be less than 1 wt%. The effect of pyrolysis temperature on the fractionated bio-oil yield and characteristics is also reported.

Original languageEnglish
Pages (from-to)81-88
Number of pages8
JournalSeparation and Purification Technology
Publication statusPublished - 18 Mar 2014
Externally publishedYes


  • Bio-oil
  • Birch bark
  • Electrostatic precipitator
  • Fractional condensation
  • Pyrolysis

ASJC Scopus subject areas

  • Analytical Chemistry
  • Filtration and Separation


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