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Official Journal of the Japan Wood Research Society

Fig. 4 | Journal of Wood Science

Fig. 4

From: Production and recovery system for furan compounds from rice straw using an ionic liquid (1-methylimidazolium hydrogen sulfate) and vacuum steam distillation

Fig. 4

Effect of degree of vacuum on the yields for 5-HMF and FF trapped. In all cases: 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 °C, internal diameter of the connector; 5 mm, tip position; − 5 mm

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