US Patent Application for PROCESS FOR OBTAINING APATITE
Mar 15, 2013·In the present invention, the carbon oxide is added preferentially in specific steps of the flotation process (cleaner and recleaner), however, the carbon oxide can be added in all the steps. In the process of the present invention, sodium sulphosuccinate has presented good results as compared to U.S. Pat. No. 4,814,070 to Koester et al.