CAJ | 학술논문

研究了难浸金矿的次氯酸钠浸出。采用单因素试验法，考察了NaClO初始浓度、NaOH初始浓度、浸出温度、浸出时间等因素对金浸出率的影响，确定了最佳浸出条件。试验结果表明，在次氯酸钠初始浓度为0．35 mol／L、氢氧化钠初始浓度为1．4 mol／L、浸出温度为30℃、浸出时间为4 h最佳条件下，金浸出率可达80％。
연구료난침금광적차록산납침출。채용단인소시험법，고찰료NaClO초시농도、NaOH초시농도、침출온도、침출시간등인소대금침출솔적영향，학정료최가침출조건。시험결과표명，재차록산납초시농도위0．35 mol／L、경양화납초시농도위1．4 mol／L、침출온도위30℃、침출시간위4 h최가조건하，금침출솔가체80％。
In this paper ,leaching of gold using sodium hypochlorite from a refractory gold ore was studied .Effects of NaClO initial concentration ,NaO H initial concentration ,leaching temperature and leaching time on leaching rate of gold were examined ,the optimum leaching conditions were determined .The results show that at the optimum conditions of sodium hypochlorite initial concentration of 0 .4 mol/L ,sodium hydroxide initial concentration of 1 .4 mol/L ,leaching temperature of 30 ℃ and leaching time of 4 h ,the leaching rate of gold can reach 80% .