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

测定游离氯，油含水及含砂析。

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.

综述拜耳法生产氧化铝程中氯离子对工艺指标及生产设备腐蚀的，析了有氯离子存在时造成设备腐蚀失效的主要因。