Improvement of Impurities Removal from Silica Sand by ...
Improvement of Impurities Removal from Silica Sand by Using a Leaching Process Abdelkrim Kheloufi, Yassine Berbar, Aissa Kefaifi, Sid Ali Medjed, Fouad Kerkar Silicon Technology Development Unit, UDTS. 02, Boulevard Frantz Fanon, POBox 140 Algiers 7 Wonders 16200, Algeria.