CAJ | 학술논문

介绍了一种全界面高效萃取分离钴、镍的新设备。利用自主研发的多相流涡轮增压反应器切割混合水相和有机相，使两相物料以微米级形态接触，增大了萃取反应相内接触表面积和反应动力学，克服了机械混合的缺点，使两相分离速度加快，而且不产生第三相，萃取反应级数从传统的9级降为3级，设备投入减少。优化后的镍、钴萃取分离工艺试验结果表明：在萃取剂与硫酸镍溶液体积比为1∶3、萃取剂皂化率50％～55％、反应温度45℃、3级逆流萃取条件下，钴萃取率达99．9％，萃余液中钴离子质量浓度达到要求（＜1 mg／L ）。
개소료일충전계면고효췌취분리고、얼적신설비。이용자주연발적다상류와륜증압반응기절할혼합수상화유궤상，사량상물료이미미급형태접촉，증대료췌취반응상내접촉표면적화반응동역학，극복료궤계혼합적결점，사량상분리속도가쾌，이차불산생제삼상，췌취반응급수종전통적9급강위3급，설비투입감소。우화후적얼、고췌취분리공예시험결과표명：재췌취제여류산얼용액체적비위1∶3、췌취제조화솔50％～55％、반응온도45℃、3급역류췌취조건하，고췌취솔체99．9％，췌여액중고리자질량농도체도요구（＜1 mg／L ）。
This paper presents a full interface contract extractor using in separating nickel and cobalt . The multi phase flow reactor accelerates mixing speed of two phases and Improves interface areas of two phases .No third phase emergences in extraction .Extraction stage reduces to 3‐stages from 9‐stages .The results show that at the conditions of volume ratio between organic phase and water phase of 1∶3 ,extractant saponification rate of 50% -55% ,temperature of 45 ℃ ,3‐stages countercurrent , extraction of cobalt is 99 .9% ,cobalt mass concentration (< 1 mg/L ) in the raffinate meets the technological requirements .