From giant reed to levulinic acid and gamma-valerolactone: A high yield catalytic route to valeric biofuels
作者： Anna Maria Raspolli Galletti , Claudia Antonetti , Erika Ribechini , Maria Perla Colombini , Nicoletta Nassi o Di Nasso
DOI: 10.1016/J.APENERGY.2012.05.061
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摘要: Abstract The acid hydrothermal conversion of a non-food dedicated feedstock – giant reed ( Arundo donax L.) to levulinic (LA) was investigated. LA is versatile intermediate for the production biofuels and bio-based chemicals. subsequently hydrogenated γ-valerolactone (GVL), sustainable liquid valuable fuel additive precursor new platform “valeric biofuels”. straight GVL directly from water slurries studied by adopting bifunctional (acid hydrogenating) catalytic systems based on Ru/C niobium oxide or phosphate. Mild reaction conditions (only 0.5 MPa hydrogen 70 °C) are possible hydrogenation step. yields up 16.6 wt.% calculated starting weight dry biomass were reached, with an almost complete selective LA.
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