Lignocellulosic Microparticles Reconstituted from Legume Straw-1-Butyl-3-Methylimidazolium Chloride-Water Solution

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A legume straw-1-butyl-3-methylimidazolium chloride ([C4mim]Cl)-water solution (dissolved lignocelluloses content: 1.5 wt%) was firstly prepared at 150 °C for 2 h. Lignocellulosic microparticles formation was investigated by adding the reconstitution agent (water, ethanol or acetone) at different reconstitution agent/solution ratio (0.1~0.3 ml/ml). The results indicate that lignocellulosic microparticles (< 17 µm) can be produced in this reconstitution process. The size distribution of obtained microparticles shows normal distribution. The average size of particles increases with an increase of reconstitution agent/solution ratio. The addition of ethanol or acetone promotes the particles aggregation and results in larger particles formation than that of water.

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993-996

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November 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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