Preparation and Characteristics of Polyaluminium Chloride by Utilizing Fluorine-Containing Waste Acidic Mother Liquid from Clay-Brine Synthetic Cryolite Process

Table 3

Coagulation behavior contrast of the produced PAC by SCML versus industrial grade PAC.

Performances	Simulated diatomite water added 30 mg/L flocculant			Oily wastewater added 60 mg/L flocculant
	Residual turbidity (NTU)			Residual CODCr (mg/L)	Residual turbidity (NTU)
Samples	1480 Initial	720 Initial	80 Initial	534 Initial	124 Initial
A	261	—	—	358	42
B	279	—	—	355	38
C	25	24	15	245	6
PAC-IG	34	20	10	330	18