Fig. 6From: Production and recovery system for furan compounds from rice straw using an ionic liquid (1-methylimidazolium hydrogen sulfate) and vacuum steam distillationEffect of treatment temperature on the yields for 5-HMF and FF trapped. In all cases: processing duration; 30 min, sample loading; 1wt%, sample particle size; between 90 and 180 µm, cooling temperature of the cold trap; − 196 °C, internal diameter of the connector; 5 mm, tip position; − 5 mm, system pressure; 10 hPaBack to article page