本文介绍了从德克萨斯州布伦汉姆附近的萨默维尔湖表面采集的样本进行罐试验的结果。试验表明，当用作唯一的混凝剂或与明矾结合使用时，活性二氧化硅和阳离子聚合物能够去除三卤甲烷形成的可能性。包括9个参考文献、图表。

This paper presents the results of jar test experiments using samples taken from the surface of Lake Somerville near Brenham, Texas. The tests illustrated the ability of activated silica and a cationic polymer to remove trihalomethane formation potential when used as the sole coagulant or in conjunction with alum. Includes 9 references, figures.