采用旋转填料床与导流板式塔组合反应器研究了对氨基苯甲醛重氮盐的水解反应,考察了水解温度、转子转速、停留时间等参数对主产物对羟基苯甲醛收率的影响。与传统釜式水解法相比,本法将反应时间由2～3.5h缩短为3～5min,主产物收率由55%提高至82%,显著提高了生产效率,强化了生产过程。 The hydrolysis reaction of p-aminobenzaldehyde diazonium salt was studied by using rotating packed bed and deflector tower combination reactor. The effects of hydrolysis temperature, rotor speed and residence time on the yield of p-hydroxybenzaldehyde were investigated. Compared with the traditional kettle hydrolysis method, this method reduces the reaction time from 2 ~ 3.5h to 3 ~ 5min. The yield of the main product is increased from 55% to 82%, which significantly improves the production efficiency and enhances the production process.