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Alumina Extraction by Lime-soda Sinter Process from Low-grade Bauxite Soil of Semirom Mine

Elahe Ghaemmaghami; Mohamad Reza Samadzadeh Yazdi; Mohammad Amin Darvishi; Ali akbar Sadati; Abbas Najafi

Volume 13, Issue 4 , October 2022, , Pages 1159-1169

https://doi.org/10.22044/jme.2023.9415.2239

Abstract
  As the mass ratio of alumina to silica (A/S ratio) in bauxite decreases, the cost of alumina production by the Bayer process sharply increases. With the increasingly fierce competition in the alumina industry and the gradual reduction in bauxite grade, when the A/S ratio drops to 3-4, the Bayer process ...  Read More