A new type of reactor,which incorporates a gas-lift bubble column with the external recycle falling-film column,has been developed to meet the special needs for adiponitrile synthesis by ammoniation of adipic acid.

• 根据己二酸液相氨化制己二腈反应的特点,提出了一个由鼓泡气提塔和外循环降膜反应器组合的新型复合反应器。