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On the cover
One of the main concerns for producing biofuels from lignin polymer is its recalcitrant nature against biological/chemical depolymerization. The lignin-to-liquid (LtL) process could be a viable route to overcome this challenge. During this process, lignin polymer is depolymerized in a high-temperature solvolytic aqueous environment in the presence of a hydrogen-donor catalyst such as formic acid. In this issue of Biofuel Research Journal, a group of Norwegian researchers shed light on the effects of different variables (i.e., feeding reactor loading, stirred and non-stirred conditions, and reaction temperature) on the performance of water/ethanolic solvolytic LtL-process with formic acid. They emphasize that the stirred condition with large feeding loadings and at high temperatures would be more promising for lignin-oriented biofuel production at large scale. Cover art by BiofuelResJ.
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