Production of biodiesel and succinic acid from the biomass of the microalga Micractinium sp. IC-44
作者： Ksenia N. Sorokina , Yuliya V. Samoylova , Nikolay V. Gromov , Olga L. Ogorodnikova , Valentin N. Parmon
DOI: 10.1016/J.BIORTECH.2020.124026
关键词:
摘要: Abstract In this study, a combined approach to produce fatty acid methyl esters (FAMEs) and succinic from the biomass of microalga Micractinium sp. IC-44 using ionic liquids (ILs) was presented. After 22 days cultivation, productivity 0.034 ± 0.001 g L−1day−1, lipid content 11.5 ± 0.5%. Direct transesterification H2SO4 in presence IL [BMIM][HSO4] resulted FAME yield 42.0 ± 4.3%, which exceeded yields obtained after extracted lipids (20.5 ± 3.5% ILs 27.1 ± 2.4% methanol/chloroform) direct without (31.6 ± 1.7%). The residual subjected hydrolysis (sugar 81.1 ± 2.4%). purified hydrolysate fermented Actinobacillus succinogenes 130Z obtain 0.67 g g−1 fermentable sugars. Therefore, study demonstrated successful conversion into biodiesel acid.
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