Preparation and Mechanism of a New Enhanced Flocculant Based on Bentonite for Drinking Water

Table 2

The influence of additives on coagulation behaviors of BTA while PAC content was 10% (200NTU diatomite suspension).

AB (%)	Aluminium sulfate (%)	BTA (mg/L)	Rate of deturbidity (%)	Settling time (s)
5	25	100	99.2	20
10	20	100	99.1	20
15	15	100	95.3	60
20	10	100	95.8	60
25	5	100	95.1	60
—	—	PAC (100)	98.1	60