As caustic solution prewashing of FCC gasoline discharges lots of lye, it is nec essary to improve the process.

用性碱对汽油进行预碱时易产生大量碱，为彻底消除出了用固体碱预处理代替性碱预碱的方法。

Compared with alkali-washing electrofining method, no strong acid and strong base were used, no high electric field settling separation tank.

与碱制法相比，该法不使用强酸强碱，不需要高压场沉降分离罐。

A combined acid cleaning technique of alkaline and acid cleaning with oxidizability was developed in the proress of trial-produrtion of armour-piercing shell body.

介绍穿甲弹体氧化性碱与氧化性酸相结合的酸新工艺。

By use of caustic washing electrofining method to decrease the acidity of straight run diesel oil,serious diesel oil emulsification problem can occure often.

采用碱制方法降低直馏柴油酸度时,往往会产生严重的柴油乳化现象。