CAJ | 학술논문

根据内蒙古某金矿石的特性，研究了喷淋时间、喷淋强度、入堆矿石粒度、氰化钠用量对金矿石柱浸金的影响。试验结果表明，金矿石柱浸最佳条件为：每天间歇喷淋4h，喷淋1h休2h，喷淋强度100L/（m2·h），喷淋液pH10～11，入堆矿石粒度10～20mm，氰化钠用量400g/t，总柱浸时间21d。最佳条件下，金浸出率达83．64％。
근거내몽고모금광석적특성，연구료분림시간、분림강도、입퇴광석립도、청화납용량대금광석주침금적영향。시험결과표명，금광석주침최가조건위：매천간헐분림4h，분림1h휴2h，분림강도100L/（m2·h），분림액pH10～11，입퇴광석립도10～20mm，청화납용량400g/t，총주침시간21d。최가조건하，금침출솔체83．64％。
Based on mineralogical characteristics of a gold ore in Neimenggu ,effects of spraying time , spraying intensity ,ore grain size ,NaCN amount on column leaching of gold are investigated .The results show that the gold leaching rate can reach 83 .64% under the following optimum conditions as spraying time of 4 hours each day ,spraying one hour after stopping spraying two hours ,spraying intensity of 100 L/(m2 h) ,spraying liquid pH of 10-11 ,ore grain size of 10-20 mm ,NaCN amount of 400 g/t ,column leaching time of 21 days .