...共沸法；多孔结构 中图分类号：TQ171 文献标识：A 文章编号：0454–5648(2009)10–1767–05 [gap=999]Key words: silica aerogels; hydrophobic; surface modification; azeotropy method; porous structure ..
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The halogen exchange method to prepare p fluoronitrobenzene under microwave irradiation and conventional heat was studied. Drying KF by azeotropy and microwave irradiation was proposed.
该文研究了微波辐射和常规加热下卤素交换氟化合成对氟硝基苯的方法，提出了共沸干燥和微波干燥制备无水KF的方法。
As the one of the preferred embodiment, the method USES hog still to remove water and aromatic hydrocarbon organic solvent azeotropy generated in the dehydration reaction.
作为优选的实施方式之一，使用蒸馏塔将在上述脱水反应中生成的水与芳香烃类有机溶剂共沸除去。
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