With 23%+ Al2O3, nepheline syenite serves as a primary non-bauxite alumina source. The lime-soda sintering process yields metallurgical alumina while generating belite-rich residue that produces high-grade green Portland cement.
Nepheline Syenite as a Sustainable Alumina Source and Green Cement Coproduct
A metallurgical evaluation of non-bauxite alumina extraction via lime-sinter technology from nepheline syenite, coupled with eco-friendly pozzolanic Portland cement coproduction.
Soorin Arass Zenderoud
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Sorin Aras Zendeh Roud is a specialized producer and reliable supplier of Nepheline Syenite, operating through our Kaleybar processing complex in Tabriz. By pr…
