INVESTIGATION ON THE CHEMICAL AND PHYSICAL PROPERTIES OF DAPCHI, NGALA AND GWOZA SILICA SAND FOR GLASS MAKING
Publication Date : 01/08/2007
Suitability of commercially viable silica sand deposits located in Dapchi, Ngala and Gwoza- semi-arid region of Borno and Yobe states of Nigeria has been assessed based on chemical and physical characteristics of samples collected along the stream sides in these locations. The results obtained were assessed on comparative basis with the standard glass making requirements. The Dapchi and Ngala samples have higher percentage values of silica (93.6% and 92.46% respectively) acceptable for glass making. However, the percentage of Iron oxide content in them was relatively high (1.59% and 1.20% respectively), thereby limiting their application for colour and amber glasses production. Both the Chemical and Physical properties of Gwoza silica sand deposit were above the required level for application in glass making industry.
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