السيليكا غسل الرمل ونظام المعالجة. السيليكا غسل الرمل ونظام المعالجة ﻨﻘﻴﺔ ﺭﻤﺎل ﺍﻝﺴﻴﻠﻴﻜﺎ ﻝﺼﻨﺎﻋﺔ ﺍﻝﺯﺠﺎﺝ ﺍﻝﻌﻠﻤﻲ ﺘ BENEFICATION OF S sand was first sieved on 850 µ m to discare 850 µ m followed by washing on treatment of both sand products obtained from the .