At constant pH values
The separation efficency for the alumina-silica synthetic mixture of 1:1 composition, as a function of desliming stage,for different XG and STPP concentrations,at constant pH values of 6 7.5 and 9 respectively. Around 89% separation efficiency is achieved with the addition of 50 ppm XG and 5 ppm STPP , at and beyond the 3rd desliming state, for the constant pH value of 6.
The separation efficiency value is slighty reduced to 78% in the case of 100 ppm XG and 5 ppm STPP.The separation efficiency