Bauxite-based mullite grogs were prepared with grade II bauxite (≤3 mm)and coal gangue (≤3 mm) as starting materials with formula of w(Al2O3)=68%~72%. Mill th
Sintered magnesia clinker(also called sintered MgO) was prepared with Mg(OH)2(prepared by light calcining hydration of magnesite) and magnesite as starting mate