The paper introduces the methods of making basicAluminiumChloride from coal ash, and also studies the main factors of making process.
用粉煤灰制取碱式氯化铝的方法，研究了制取过程中的主要影响因素。
2
The said method is used for muddy water made up from extra-fine impurities, its water-purification efficiency is over three times that of basicaluminiumchloride water-purifying agent;
该方法用于超细杂质形成的浊水，其净水效率是碱式氯化铝净水剂的三倍以上；
3
The paper introduces the kinds of domestic aluminium hydroxide and the differences in their acid solubilities. It provides the conditions for raw material selection for basicaluminiumchloride.