碱洗

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

用苛性液对汽油进行预易产生大量废液，为彻底消除废液提出了用固体预处理代替苛性液预的方法。

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

与电精制法相，该法不使用强酸强，不需要高压电场沉降分离罐。

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与氧化性酸相结合的酸新。

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

用电精制方法降低直馏柴油酸度,往往会产生严重的柴油乳化现象。