The invention is developing a bench scale flotation of feldspar using sulphuric acid acts as an activator (to replace hidrofluoric acid) with a mixed cationic/anionic collector (n-tallow 1, 3-propanediamine-dioleate), thereby create Environmental…

This invention relates to paper making process which is a method of in-situ precipitation of Calcium Carbonate (PCC) from carbide lime waste within pulp during a process to achieve simultaneous carbonation and impregnation process, thereby reducing…