Sulfur Fixation by Chemically Modified Red Mud Samples Containing Inorganic Additives: A Parametric Study

Table 5

Effect of the waste mother liquor of sodium ferrocyanide on sulfur fixation of modified Bayer red mud.

Amount/wt%	0	10	20	30
Sulfur content in the residue/wt%	0.667	1.876	1.209	1.224
Utilization rate of Ca/wt%	10.20	40.10	26.43	23.64
Sulfur fixation rate/wt%	8.333	29.85	20.58	18.48