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…

NEXC Block is an innovative coastal protection structure for sandy beach made of marine grade concrete. Main Functions are for Erosion Protection & Natural Beach expansion. The innovative structure is easier, faster, cheaper and more…