Characterization and bioremediation of birch condensate

摘要

Birch (Betula papyrifera) condensate collected from a veneer plant in Michigan was analysed for its major chemical constituents. This condensate contained carbohydrates and lipids. In the lipid fractions, triglycerides were the most abundant component (35-40%), followed by phenolic compounds (30%) and waxes (25-30%). Gas Chromatography-Mass Spectrometry (GC-MS) and Fast Atom Bombardment (FAB) MS were used to identify 14 lipid compounds. A white rot fungus, Phanerochaete chrysosporium [Burdsall-lombard, 5176, HHB-6251], was tested as a means for the bioremediation of the condensate. P. chrysosporium reduced the total organic content (TOC) of the condensate from 350 ppm to 22 ppm and the colour intensity from 0.614 to 0.355 absorbance units, after 2weeks incubation in a liquid medium containing yeast and peptone at pH 5.