Sustainable biodiesel production through bioconversion of lignocellulosic wastewater by oleaginous fungi
作者： G. Venkata Subhash , S. Venkata Mohan
DOI: 10.1007/S13399-014-0128-4
关键词:
摘要: The present study documented the potential of two lignocellulosic wastewaters viz. corncob waste liquor (CWL) and paper mill effluent (PME) a cellulosic (deoiled algae extract (DAE)) as feedstock for microbial oil production by Aspergillus awamori (MTCC 11639). Using substrate/feedstock single cell (SCO) reduced overall cost also accounts simultaneous remediation. DAE showed improvement in biomass with time, terms dry weight (12.8 g/l), followed CWL (10.2 g/l) PME (9.83 g/l). Total/neutral (T/N) lipid productivity recorded same trend where higher T/N was obtained (35.4 18 %), (33.3 16.3 %) (32.2 15 %). During growth fungi, efficient colour (78 along good carbohydrate/chemical oxygen demand (COD) removal registered, depicting A. utilizing available carbon waste. presence extracellular laccase enzyme fermentation medium is an indicator that validates observed lignin degradation. Higher number saturated fatty acid (SFA) than unsaturated (USFA) methyl esters (FAME) analysis indicates fungal has properties similar to those biodiesel. This establishes basis fungal-based primary feedstock. Integrating remediation forms essential element work, especially context biorefinery.
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