SO42-/Al2O3-TiO2转化纤维素生成乙酰丙酸

CHEMICAL INDUSTRY AND ENGINEERING PROGRESS(2009)

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Abstract
以纤维素为原料,固体SO42-Al2O3-TiO2为催化剂,以水为溶剂制备乙酰丙酸.研究了催化剂中铝钛氧化物的配比、浸渍用硫酸浓度,催化剂的焙烧温度和焙烧时间对催化剂活性的影响,以及反应温度、催化剂投加量及液固比对乙酰丙酸产率的影响.在反应温度220℃,反应时间15min,催化剂投加量0.6 g,液固比20:1条件下,乙酰丙酸产率可达到19.34%.
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