Biodiesel from Citrullus colocynthis Oil: Sulfonic-Ionic Liquid-Catalyzed Esterification of a Two-Step Process
Figure 15
Proton NMR spectrum for CCOME content. A conversion of 95.4% obtained after 105 min at 150°C, 3.6 wt% of recycled DSIMHSO4, and 12 : 1 molar ratio of methanol/CCO.
