Specific surface area (SSA) of modified Bayer red mud before and after sulfur fixation reaction.
|Sample||Specific surface area|
with BET method (m2/g)
|Original Bayer red mud||14.100|
|Bayer red mud modified by 50 wt% fusel solution ||99.086|
|Bayer red mud modified by 10 wt% sodium ferrocyanide solution||142.300|
|Sulfur fixation ashes formed at 950°C after the sulfur fixation reaction of three-component sulfur fixation agent SFG-2||176.179|