The Manufacture of Aluminium SulfateAluminium sulfate, Al2(SO4)3, is widely used by industry in New Zealand. . Alum (as aluminium sulfate is commonly called) is manufactured in a simple two-.sulfate manufacturing aluminum,Aluminum Sulphate Production - SulphurtechOct 30, 2013 . This type of aluminum sulfate production process is most efficient and short timing process . I am very interested to know the process of cooling.