Continuous Dihydrolevoglucosenone Recovery Using Commercial Membrane Technology

Cyrene, or dihydrolevoglucosenone (DHL), is recognized as a biobased and biodegradable solvent that can be produced from cellulose in two steps. Properties similar to those of dipolar aprotic solvents such as NMP and DMF, which raise significant environmental and human health concerns, are exhibited by DHL. As a result, dihydrolevoglucosenone is considered a promising alternative. The environmental profile of chemical reactions is enhanced through the use of this sustainable solvent. However, target compounds synthesized in dihydrolevoglucosenone are primarily purified by aqueous workup, which typically results in the disposal of DHL in an aqueous waste stream. In this study, the recovery of dihydrolevoglucosenone through back-extraction processes is investigated.

• Dejaegere, A
• Napoli, A
• Heugebaert, TSA
• Stevens, CV

• SynBioC Research Group, Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Ghent 9000, Belgium

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