Analyze for chlorion in free water, water cut and sand content in the crude oil.

测定游离氯根，做原油含水含砂分。

To sum up the effect of chlorion corrosion on the process equipments and index in Bayer process alumina production,and analyse the main reasons of equipments unefficient caused by chlorion corrosion.

拜耳法生产氧化铝程中氯离子对工艺生产设备腐蚀的影响，分了有氯离子存在时造成设备腐蚀失效的主要原因。