In the production of antibiotics,a lot of solvent-gas (actone)is pumped off with vaccum in filtering,drying process etc.It is reused by absorbtion.This recircle-method is effective.

• 针对抗生素原料药生产过程中,抽滤、干燥等工序真空排气中含有大量有机溶媒,采用吸收法进行回收利用,效果良好。