METHOD FOR ISOLATION OF GALLIUM FROM MOTHER AND CIRCULATING SOLUTIONS IN BEYER PROCESS Russian patent published in 1996 - IPC

FIELD: production of inorganic chemicals. SUBSTANCE: when isolating gallium from mother and circulating solutions in Beyer process using cementation on aluminium gallate with preliminary purification of solutions, the latter process is carried out by way of treating mother solution for 0.5-1.0 h with lime in amount corresponding to 20-60 g/l of active aluminium oxide, combining obtained pulp with circulating solution in proportion to mother solution (1.0-0.5): 1, stirring for 0.5-2.0 h, and decantation followed by settling, and conveying sediment into Beyer process and solution into cementation process. EFFECT: increased gallium isolation and reduced cost.