Featured with diaspore,high alumina,high silicon and low iron,the bauxite in Shanxi have to be digested under higher temperature and denser soda in Bayer process.

• 山西铝土矿呈一水硬铝石型,高铝、高硅、低铁的特点,拜耳法生产氧化铝工艺须在高温,高碱的条件下溶出。