CAJ | 학술논문

在工艺矿物学的基础上，进行高碳含钒石煤浮选工艺研究。浮选工艺包括选碳流程和选钒流程，可以分别对碳和钒矿物进行富集。在碳浮选流程中，通过再磨工艺可以将碳和钒矿物有效分离。结果发现，浮选精矿中，钒的品位和回收率分别为1.32%和88.38%，尾矿产率为38.36%。碳精矿品位为30.08%，回收率为75.10%，可以直接作为燃料使用。对浮选产品进行酸法浸出实验，浮选产品的浸出率都在85%以上，说明该浮选工艺对浸出影响比较小。该浮选工艺可以减小钒浸出的处理量，降低冶炼成本，对石煤浮选工艺有借鉴作用。
재공예광물학적기출상，진행고탄함범석매부선공예연구。부선공예포괄선탄류정화선범류정，가이분별대탄화범광물진행부집。재탄부선류정중，통과재마공예가이장탄화범광물유효분리。결과발현，부선정광중，범적품위화회수솔분별위1.32%화88.38%，미광산솔위38.36%。탄정광품위위30.08%，회수솔위75.10%，가이직접작위연료사용。대부선산품진행산법침출실험，부선산품적침출솔도재85%이상，설명해부선공예대침출영향비교소。해부선공예가이감소범침출적처리량，강저야련성본，대석매부선공예유차감작용。
Flotation technology of high-carbon stone coal bearing vanadium was investigated based on mineralogical study. Carbon and vanadium flotation circuits were included in the flotation process for carbon and vanadium mineral concentrates. Carbon and vanadium minerals were efficiently separated via regrinding process in the carbon flotation circuit. The results show that the grade and recovery of V2O5 in flotation concentrate are 1.32% and 88.38%, respectively, and the tailings yield is 38.36%. Meanwhile, the grade and recovery of the carbon mineral are 30.08% and 75.10%, respectively, which may be utilized as the fossil fuels directly. The leaching rates of the flotation products are as high as 85%. The results demonstrate that there is no direct adverse effect of flotation process on vanadium leaching. This technology could potentially reduce cost and increase the treatment capacity of vanadium extraction and provide reference to stone coal flotation technology.