浙江电力

2015, v.34;No.235(11) 69-73

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聚合铝在发电厂水处理中的应用与研究
Application and Research on Polyaluminum Chloride in Water Treatment of Power Plant

张小天
ZHANG Xiaotian

摘要(Abstract):

聚合铝在发电厂水处理中的应用广泛。为寻找聚合铝的最佳使用条件,通过改变原水的p H值、温度及聚合铝的用量等来确定聚合铝使用的最佳条件,通过测量水样的剩余浊度和UV254确定混凝效果。试验表明:聚合铝在p H值为6左右时混凝效果最好且此时聚合铝的最佳投药量为9 mg·L-1左右,聚合铝混凝的最佳水温在25℃左右;聚合铝混凝剂与结晶氯化铝相比混凝效果更高,而且投药量更少。
Polyaluminum chloride is widely used for water treatment in power plant. To find out the best service condition, p H value, temperature and dosage of raw water are changed. By measuring residual turbidity of water samples and UV254, coagulation effect is determined. The test shows that when p H value is 6 coagulation effect becomes optimal, he most appropriate dosage of polyaluminum chloride is 9 mg/L-1and the most suitable water temperature for polyaluminum chloride coagulation is about 25 Celsius degrees. Compared with crystalline aluminum chlorate, polyaluminum chloride coagulant is more effective and less dose-consuming.

关键词(KeyWords): 聚合铝;絮凝特性;混凝机理;影响因素
polyaluminum chloride;flocculation characteristic;coagulation mechanism;influencing factor

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 张小天
ZHANG Xiaotian

DOI: 10.19585/j.zjdl.2015.11.018

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