نتایج جستجو برای: crude glycerol
تعداد نتایج: 59217 فیلتر نتایج به سال:
BACKGROUND In order to establish a cost-efficient biodiesel biorefinery, valorization of its main by-product, crude glycerol, is imperative. Recently, Ustilago trichophora TZ1 was found to efficiently produce malic acid from glycerol. By adaptive laboratory evolution and medium optimization, titer and rate could be improved significantly. RESULTS Here we report on the investigation of this st...
The present study was carried out to optimize some culture conditions increase lipid production from Yarrowia lipolytica B9 in crude glycerol-based medium. experiments displayed that too high concentrations of ammonium sulfate, KH2PO4, and MgSO4 increased cell growth but inhibited synthesis. In contrast, more synthesis lipids determined be achived at NaCl. optimum glycerol, MgSO4, NaCl for were...
The crude glycerol produced as a byproduct of transesterification synthesis has very few applications because it comprises significant amounts methanol, catalyst, and soap. On the other hand, transesterifications highly acidic oil in presence an alkaline catalyst are problematic due to high free fatty acids. In this study, acid level oil, which was initially determined be 19.25%, decreased perm...
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