广州市药品检验所、广州市第二制药厂和广州部队157医院,试验了应用一种铝盐除去原水中热原质的方法。方法简便,效果可靠,而且不降低纯水出水量,大小型生产均可适用。方法:取原水加粗白土,搅拌3分钟后,加铝盐,必要时用碳酸钠调节 PH 值为6——7.5,搅拌3分钟,静置15——30分钟,此时即有大量凝胶状沉淀,取上清液或 Guangzhou Municipal Institute for Drug Control, No. 2 Pharmaceutical Factory in Guangzhou and No. 157 Hospital in Guangzhou, tested the method of using an aluminum salt to remove pyrogen in raw water. The method is simple, the effect is reliable, and the water output of the pure water is not reduced, and the large and small production can be applied. Method: take raw water coarse clay, stirring for 3 minutes, add aluminum salt, if necessary, adjust the PH value with sodium carbonate 6--7.5, stirring for 3 minutes, let stand for 15 - 30 minutes, then there is a lot of gel Precipitate, the supernatant or