They have developed a new process for extracting aluminium from bauxite.
他们开发了一种从铝氧石中提炼铝的新工艺。
2
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。
3
The mechanism of bending strength increased by bauxite chalmette and the process were investigated by XRD and SEM.