Improving Silica Sand Specifications for Making Colorless Glasses by Using Chemical and Physical Methods

Abstract:

This study was carried out to determine the possibility of reducing the iron oxide ratio in silica sand from Ardhumah, an area, (18) km west of Rutba, a city in Al-Anbar Governorate, to obtain sand specifications appropriate for making colorless glasses (not exceeding 0.02 % iron oxide ratio). The reduction process of iron oxide includes three stages; the first stage is magnetic separation to reduce Fe₂O₃ from 0.092% to 0.040%, the second stage is re-floatation which has reduced Fe₂O₃ to 0.024%, finally treatment of the sand output from the first and second stage with diluted HCl or H₂SO₄, this study showed the possibility of obtaining silica sand with a ratio of Fe₂O₃ up to 0.016%.

• Periodical: Solid State Phenomena (Volume 341)
• Pages: 77-85
• DOI: https://doi.org/10.4028/p-n97lx4
• Online since: March 2023
• Authors: Waleed R. Abdullah
• Keywords: Colorless Glasses, Floatation, Iron Oxide, Magnetic Separation, Silica Sand

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