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A Technical Note On The Production Of Zirconia And Zircon Brick From Locally Available Zircon In Bangladesh
A.S. Md Abdul Haseeb
In this study, the potentiality of Bangladesh zircon as a raw material for zirconia and zircon brick production was examined. Decomposition of zircon (ZrSiO4) into zirconia (ZrO2) was attempted by using caustic soda (NaOH) as the decomposition agent. 5-10 μm size zircon, 5-30 wt.% NaOH, and decomposition temperatures ranging from 1300 to 1500°C were investigated. X-ray diffraction method using Mo Kα radiation was used in order to find out the extent of decomposition of zircon into zirconia. Zircon bricks of 0.06 mm× 0.06 mm× 0.025 mm shaped were made under a pressure of 15 MPa. Carboxi methyal cellulose (CMC) and …