Przemysl Chemiczny, Vol.95, No.10, 1888-1892, 2016
Purification of the filtrate from a processed pig slurry with liquid aluminium sulfate and modified coagulants
Three corn. coagulants based on Al-2(SO4)(3), poly(aluminium chloride) and Fe-2(SO4)(3) were used for purifn. of a pretreated pig slurry to decrease its COD, color and turbidity. The most efficient in decreasing the color (by 89.4%) and turbidity (by more than 97.4%) was the poly(aluminium chloride). The decrease in COD was insufficient (below 24%).