Fig. 10From: Production and recovery system for furan compounds from rice straw using an ionic liquid (1-methylimidazolium hydrogen sulfate) and vacuum steam distillationRecyclability of [MIM]HSO4 in the production of furan compounds. In all cases: cooling temperature of the cold trap; − 196 °C, internal diameter of the connector; 5 mm, tip position; − 5 mm, system pressure; 10 hPa, processing temperature; 180 °C, processing duration; 30 min, sample loading; 1wt%, sample particle size; between 45 and 90 µmBack to article page