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首页> 外文期刊>Fluid Phase Equilibria >Solubility and rate of dissolution for Miscanthus in hydrophilic ionic liquids
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Solubility and rate of dissolution for Miscanthus in hydrophilic ionic liquids

机译:芒草在亲水性离子液体中的溶解度和溶解速率

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摘要

Miscanthus is a potential feedstock for the production of biofuels. Lignocellulosic biomass is not soluble in conventional solvents, but Miscanthus and other lignocellulosic biomass have reasonable solubilities in some ionic liquids. The solubility of Miscanthus in a variety of hydrophilic ionic liquids was measured as a function of particle size, temperature and time for dissolution. In addition to temperature and time, the ionic liquid anion has a significant effect on solubility and rate of dissolution. The moisture content of Miscanthus lowers its solubility in certain ionic liquids. Chloride, acetate, and phosphate-based ionic liquids favor solubility. A tentative correlation for the solubility of Miscanthus is proposed in terms of Abraham solvation parameters obtained from quantum-chemical model COSMO-RS (Conductor like Screening Model-Real Solvents).
机译:芒草是生产生物燃料的潜在原料。木质纤维素生物质不溶于常规溶剂,但是芒草和其他木质纤维素生物质在某些离子液体中具有合理的溶解度。测定了芒草在各种亲水性离子液体中的溶解度,该溶解度是颗粒大小,温度和溶解时间的函数。除温度和时间外,离子液体阴离子对溶解度和溶解速度也有重要影响。芒草的水分含量降低了其在某些离子液体中的溶解度。氯化物,乙酸盐和磷酸盐基离子液体有利于溶解性。根据从量子化学模型COSMO-RS(导体类似筛查模型-真实溶剂)获得的亚伯拉罕溶剂化参数,提出了芒草溶解度的暂定相关性。

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