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。
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.