CAJ | 학술논문

山西岢岚铝土矿是一水硬铝石型的低品位铝土矿，有用矿物与脉石矿物共生关系密切，分选难度较大。通过工艺矿物学研究和选矿实验，针对铝硅比为4．14的原矿，采用“选择性磨矿‐正浮选”的工艺流程，正浮选采用新型捕收剂ZMC‐3，经一粗二精二扫的工艺流程，获得了铝硅比为9．27、氧化铝回收率为72．60％的精矿。试验获得的精矿指标较好，达到了拜耳法炼铝的要求。
산서가람려토광시일수경려석형적저품위려토광，유용광물여맥석광물공생관계밀절，분선난도교대。통과공예광물학연구화선광실험，침대려규비위4．14적원광，채용“선택성마광‐정부선”적공예류정，정부선채용신형포수제ZMC‐3，경일조이정이소적공예류정，획득료려규비위9．27、양화려회수솔위72．60％적정광。시험획득적정광지표교호，체도료배이법련려적요구。
Bauxite from Kelan ,Shanxi province ,is low grade diasporic bauxite ,valuable minerals and gangue minerals are closely associated with each other ,which results in sorting difficult .Through mineralogical study and mineral processing experiments ,for the bauxite ores of A/S=4 .14 ,the test press of“selective grinding‐positive flotation” were carried out ,positive flotation used new collector ZMC‐3 ,through one roughing ,two cleanings and two scavengings ,obtained the A/S of final concentrate was 9 .27 and recovery rate of Al2 O3 was 72.60% .The index of concentrate is better ,reach the requirements of Bayer process .