CAJ | 학술논문

以贵州务正道地区某沉积型铝土矿为研究对象，采用选择性磨矿富集粗粒级-复合捕收剂DK-1浮选微细粒有用矿物-混合精矿高梯度磁选机除铁的工艺，针对Al2 O3品位57．24％、TFe品位13．66％、铝硅比为5．76的原矿，获得铝精矿Al2 O3品位67．50％、铝回收率70．15％、铁精矿TFe品位49．60％、铁回收率49．45％的试验指标。该研究为贵州地区沉积型铝土矿脱硅除铁工艺的开发提供了良好依据。
이귀주무정도지구모침적형려토광위연구대상，채용선택성마광부집조립급-복합포수제DK-1부선미세립유용광물-혼합정광고제도자선궤제철적공예，침대Al2 O3품위57．24％、TFe품위13．66％、려규비위5．76적원광，획득려정광Al2 O3품위67．50％、려회수솔70．15％、철정광TFe품위49．60％、철회수솔49．45％적시험지표。해연구위귀주지구침적형려토광탈규제철공예적개발제공료량호의거。
A sedimentary type bauxite in Wuzhengdao area of guizhou province contains 57 .24%aluminum and 13 .66%iron with a A/S of 5 .76 .Using a process of coarse grinding for selective enrichment of coarse particles -flotation of fine valuable mineral particles with composite collector DK1-removal of iron impurities from the mixed concentrate by high gradient magnetic separation , an aluminum concentrate with grade of 67 .50%and recovery of 70 .15%, and an iron concentrate with grade of 49 .60%and recovery of 49 .45%were obtained .The research provides technical ba-sis of desilication and deironing for bauxite utilization in the area of Guizhou province .