Aluminium Sulphate an overview | ScienceDirect
Aluminium sulphate is the most widely used aluminium coagulant (Section ). It is available in a number of solid grades such as block, kibbled or ground and is also available as a solution typically containing 8–% w/w Al 2 O 3. In waterworks practice aluminium sulphate is frequently but incorrectly referred to as ''alum''.