超声波技术在铼酸铵结晶过程中的应用研究  

Application and Research of Ultrasonic Technology in the Crystallization Process of Ammonium Rhenate

作　　者：徐元博[1] 辛雯静 任艳 XU Yuanbo;XINWenjing;REN Yan(Metallurgical Branch,Jinduicheng Molybdenum Co.,Ltd.,Weinan 714101,Shaanxi,China)

机构地区：[1]金堆城钼业股份有限公司冶炼分公司,陕西渭南714101

出　　处：《中国钼业》2024年第2期44-47,51,共5页China Molybdenum Industry

摘　　要：铼是钼矿中的一种稀散伴生金属,本文介绍了一种在铼酸铵结晶过程中使用超过20 kHz超声波辅助结晶的新技术。经小试及工业验证:利用超声波技术,在超声空化作用下,含铼液结晶过程的结晶率提升约3%,产品75μm粒度通过率达到了100%,晶型有了显著改善;新技术具备能耗低、易操作的特点。该研究在提升铼酸铵生产的产品质量方面具有积极意义。Rhenium is a rare associated metal in molybdenum ores.A new technique for ultrasonic-assisted crystallization of ammonium rhenate at a rate of more than 20 kHz is introduced.Based on the ultrasonic cavitation effect in the process of liquid crystallization containing rhenium,the theoretical and industrial verification shows that the crystallization rate of ammonium rhenate increases about 3%under the ultrasonic cavitation effect,and the particle size passing rate of 75μm product reaches 100%,the new technology has the characteristics of low energy consumption and easy operation.The research has positive significance in improving the product quality in the production of ammonium rhenate.

关 键 词：超声空化 结晶速率 粒度 低能耗 

分 类 号：TQ137.14[化学工程—无机化工]