Gallium Extraction from Jajarm Bayer Process Liquor Using Microemulsion Method

Gallium Extraction from Jajarm Bayer process liquor, Jajarm, Iran, was investigated using microemulsion method. Kelex 100, iso-decanol and butanol, and Kerosene were used as surfactant, cosurfactant and oil phase respectively. Ternary phase diagrams were produced using different co-surfactants at various C/S ratios. Results showed that the least area of winsorII is obtained using iso-decanol at C/S 4. Microemulsion experiments showed that the extraction kinetic is fast. After about 5 minutes, 100% of gallium was extracted at C/S 4 while the composition ofthe organic phase was C/S 70%, OF 10% and AF 20% w/w. Using decanol as co-surfactant decreases the co-extraction of Al which is desired.

کلیدواژه ها:

Gallium ، Bayer Process ، Jajarm ، Solvent Extraction ، Microemulsion