有色金属科学与工程2018，Vol.9Issue(2)：81-88,8.DOI:10.13264/j.cnki.ysjskx.2018.02.014
乳酸黄原酸钠合成及其对黄铁矿与黄铜矿抑制的作用机理
Synthesis of sodium lactate xanthate and its inhibition of pyrite and chalcopyrite
摘要
Abstract
The effect of different conditions on synthesizing sodium lactate xanthate was studied. The results observed showed that the optimum condition was the molar ratio of lactic acid, CS2 and NaOH of 1:1:2.1, the reaction temperature of 40 ℃, and the reaction time of 4 h. Under the optimum condition, the yield of the product reached 59.25 %, which was confirmed as sodium lactate xanthate by UV spectrum and IR spectrum. The effect of sodium lactate xanthate on the floatability of natural chalcopyrite and pyrite was studied in detail. With the Materials Studio software, the energy changes of surface interaction of the systems of sodium lactate xanthate and chalcopyrite or pyrite were simulated according to the molecular mechanics and molecular dynamics. The simulation results showed that the inhibitory effect of sodium lactate xanthate for pyrite was stronger than that for chalcopyrite,which were further demonstrated by IR spectroscopic analysis results.关键词
乳酸黄原酸钠/可浮性/黄铜矿/黄铁矿/抑制作用Key words
sodium lactate xanthate/floatability/chalcopyrite/pyrite/inhibitory分类
化学化工引用本文复制引用
易翀,熊道陵..乳酸黄原酸钠合成及其对黄铁矿与黄铜矿抑制的作用机理[J].有色金属科学与工程,2018,9(2):81-88,8.基金项目
国家自然科学基金资助项目(51364014) （51364014）
国家级大学生创新创业训练计划资助项目(201710407001) （201710407001）
