影响酸法加压铀浸出矿浆过滤的因素及改善方法研究  

Research on Affecting Factors and Improving Method of Filtration of Slurry from Uranium Acid Pressure Leaching

作　　者：王高山[1] 张黎辉[2] 钟平汝[1] 刘津麟[1] 吴永永[1] 孟舒[1] 王聪颖[1] WANG Gao-shan;ZHANG Li-hui;ZHONG Ping-ru;LIU Jing-lin;WU Yong-yong;MENG Shu;WANG Cong-ying(Beijing Research Institute of Chemical Engineering and Metallurgy,CNNC,Beijing 101149,China;Nuclear and Radiation Safety Center,MEP,Beijing 100082,China)

机构地区：[1]核工业北京化工冶金研究院,北京101149 [2]环境保护部核与辐射安全中心,北京100082

出　　处：《有色金属（冶炼部分）》2018年第8期55-59,共5页Nonferrous Metals（Extractive Metallurgy)

基　　金：中国核工业集团有限公司重点科技专项

摘　　要：研究了矿浆浓度、浸出温度和压力、金属离子浓度、胶体物及矿石粒度等因素对铀酸法加压浸出矿浆过滤性能的影响,以及改善其过滤的方法。试验发现,在满足铀浸出率要求的条件下,三价铁的结晶形态和在溶液中的浓度是影响矿浆过滤速度的最关键因素。Effects of slurry concentration,leaching temperature and pressure,metallic ion concentration,colloid material,and ore size on slurry filtration performance of uranium acid pressure leaching were studied.Several methods to improve filtration were discussed.The results show that under the condition of fitting uranium leaching rate,the key affecting factors on filtration speed of slurry include crystalline form of trivalent iron and its concentration in solution.

关 键 词：铀 浸出 过滤 

分 类 号：TL212.13[核科学技术—核燃料循环与材料]