How does 2-MeTHF compare to other co-solvents like ethanol (EtOH), 1-butanol (1-BuOH), and tetrahydrofuran (THF) in HTL processes?

Label:chem

Topic
Co-solvents are used in HTL to enhance biocrude yields and improve the separation of biocrude from the aqueous phase. Commonly used co-solvents include EtOH, 1-BuOH, and THF.
Answer
2-MeTHF outperforms EtOH, 1-BuOH, and THF in enhancing biocrude yields. It significantly boosts biocrude yields by 24–123% and maintains or enhances the higher heating values (HHVs) of the biocrudes. 2-MeTHF also prevents side reactions and extracts biocrudes in situ, leading to higher yields of low-boiling-point fractions.
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