Some Aspects of Pyrolysis Oils Characterization by High-Performance Size Exclusion Chromatography

David K. Johnson, Helena L. Chum

Research output: Contribution to conferencePaperpeer-review

7 Scopus Citations

Abstract

The utilization of biomass pyrolysis oils or isolated fractions of these feedstocks requires a fast overall characterization technique. Several pyrolysis oils have been analyzed as well as fractions isolated by solvent elution chromatography. In order to better understand the observed low-molecular-weight region, a number of model substances of the main classes of compounds found in pyrolysis oils have been investigated. While hydrogen bonding between the phenolic groups and tetrahydrofuran occurs, solute-solute interactions can be kept very small by operating at very low concentrations of solute; solute-gel interactions do occur with polycyclic aromatic compounds. HPSEC provides very good information on the shelf life and reactivity of pyrolysis oils, and can be used to compare oils produced under different process conditions.

Original languageAmerican English
Pages156-166
Number of pages11
StatePublished - 1988
EventPyrolysis Oils from Biomass: Producing, Analyzing, and Upgrading - Denver, CO, USA
Duration: 5 Apr 198710 Apr 1987

Conference

ConferencePyrolysis Oils from Biomass: Producing, Analyzing, and Upgrading
CityDenver, CO, USA
Period5/04/8710/04/87

NREL Publication Number

  • ACNR/CP-234-11318

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