SEPARATE IDENTIFICATION OF PHENOLIC AND POLYAROMATIC FRACTIONS IN THE COURSE OF TAR ANALYSIS

Gasification of biomass, while offering an efficient route for energy production, generates tar as a challenging by-product. This study introduces an innovative solid-phase adsorption method specifically designed to assess and quantify individual components within tar, focusing on the separate identification of aromatic and phenolic fractions. A dual-sorbent sampling device, combining amino-phase adsorbent and activated coconut charcoal, was developed to optimize the capture of these distinct compounds. For desorption, the research utilized dichloromethane and acetonitrile as selective solvents, enhancing compound separation. Additionally, the study established ideal conditions for derivatizing phenols using NO-bis(trimethylsilyl)trifluoroacetamide, further refining chromatographic analysis. By improving tar analysis accuracy and efficiency, this work contributes to optimizing biomass gasification processes and advancing sustainable biofuel production.