A new facility for dosing liquid aluminum sulfate was constructed,the addition points were redesigned,and both modes of manual control and PLC automatic control were used in control syst.

First,apply Potassium Ferricyanide to reduce the ferric ion content in Aluminum Sulfate mother liquor at pH 3.

The subside mechansim and analysis of aluminium sulfate solution in settlement;

Through analysing impurity of aluminium sulfate solution,tell the reason of aluminium sulfate in settlement and separation,and the use of polyacry amide in settlement and separation,summarise the factors which effect the settlement of aluminum sulfate.

Study on Preparation of Liquid Aluminium Sulphate by Association Process by Using Waste Acid from the Acidolysis Step in Anthraquinone Production;