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大豆科学  2008 

大豆豆渣苯酚液化物制备工艺的研究

DOI: 10.11861/j.issn.1000-9841.2008.03.0501, PP. 501-504

Keywords: 大豆豆渣,苯酚,液化,胶粘剂

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Abstract:

目前液化已成为生物质原料利用的重要途径之一,为了提高大豆豆渣的附加值,采用单因素试验和正交试验研究了大豆豆渣的苯酚液化工艺,液化产物欲用于制备木材胶粘剂。结果表明:在硫酸催化剂作用下,大豆豆渣可以很好地在苯酚中液化。液化过程的4个影响因素中,催化剂对液化效果的影响最显著,其次分别为液比、液化时间和液化温度。在选择的实验参数范围内,液比和催化剂用量越大时,豆渣的液化残渣率越小,即液化效率越高。大豆豆渣苯酚液化的优化工艺为:反应温度150℃、催化剂用量10%、液化时间1.5h、苯酚与豆渣质量比(液比)为4;在此工艺条件下,液化效率可以达到97.3%。

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