Fig. 3From: Production and recovery system for furan compounds from rice straw using an ionic liquid (1-methylimidazolium hydrogen sulfate) and vacuum steam distillationEffect of connector φ and L on the yields for 5-HMF and FF remained. In all cases: system pressure; 3 hPa, processing temperature; 160 °C, processing duration; 30 min, sample loading; 1wt%, sample particle size; between 90 and 180 µm, cooling temperature of the cold trap; − 196 °CBack to article page