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用拜耳—烧结串联联合法处理高铁(Fe_2O_325～28％)高硅铝土矿之所以困难,是因为氧化铁在赤泥中富集。高铁赤泥(Fe_2O_345％以上)在烧结过程中生成不溶解的含氧化铝的化
The reason why the Bayer-Sinter series combination method is used to treat high-silica (Fe 2 O 3 ~ 25%) high-silica bauxite is difficult because iron oxide is enriched in red mud. High-speed railway red mud (Fe_345% or more) in the sintering process to generate insoluble alumina-containing