Laboratory Study of Flocculation and Pressure Filtration Dewatering of Waste Slurry

Table 4

Results of pressure filtration test.

Flocculant	Time required for pressure filtration to reach stability (min)	Final water content of mud cake (%)
—	100	39.1
CPAM3	85	28.3
APAM12	70	28.1
CPAM12	55	27.9
PAC	50	30.4
FeCl3	30	31.6