八钼酸铵制备粒度控制研究  

Particle Size Control in the Preparation Process of Ammonium Octamolybdate

作　　者：姚成 杨烨鹏 崔玉青[3] 刘东新[1] 安耿[3] YAO Cheng;YANG Yepeng;CUI Yuqing;LIU Dongxin;AN Geng(Jinduicheng Molybdenum Group Co.,Ltd.,Weinan 714000,Shaanxi,China;School of Chemistry and Chemical Engineering,Kunming University,Kunming 650214,Yunnan,China;Technical Center,Jinduicheng Molybdenum Co.,Ltd.,Xi′an 710077,Shaanxi,China)

机构地区：[1]金堆城钼业集团有限公司,陕西渭南714000 [2]昆明学院化学化工学院,云南昆明650214 [3]金堆城钼业股份有限公司技术中心,陕西西安710077

出　　处：《中国钼业》2024年第6期29-33,共5页China Molybdenum Industry

基　　金：陕西省重点研发计划(2021LLRH-05-05,2021LLRH-05-06,2021LLRH-05-07)。

摘　　要：本文旨在找出八钼酸铵制备过程中粒度控制的合适参数条件,为八钼酸铵产业推广提供必要的技术支撑。系统研究了不同加料方式和反应温度对八钼酸铵粒度的影响,利用扫描电子显微镜、激光粒度仪、平均粒度分析仪等仪器对八钼酸铵的粒度进行了详细的表征。分析表明,不同加料方式和反应温度在一定程度上影响着八钼酸铵的粒度,纯氧化钼制成悬浊液的加料方式以及较高的反应结晶温度制备得到的八钼酸铵样品粒度累积分布d(0.1)、d(0.5)、d(0.9)所对应的直径相对较小,粒度更细,且对样品钼含量和杂质含量影响不大。This paper aims to find suitable parameter conditions for particle size control of ammonium octamorate preparation and provide necessary technical support for the industrial promotion of ammonium octamolybdate.The effects of different feeding methods and reaction temperatures on the particle size of ammonium octamorate preparation were systematically studied,and the particle size of ammonium octamorate was characterized in detail using instruments such as scanning electron microscope,laser particle size meter,and average particle size analyzer.Analysis shows that different feeding methods and reaction temperatures affect the particle size of ammonium octamolybdate to a certain extent.The diameter corresponding to the cumulative particle size distributions d(0.1),d(0.5)and d(0.9)of ammonium octamolybdate samples prepared by the feeding methods of pure molybdenum oxide suspension and the higher reaction crystallization temperature were relatively smaller and finer and also it has little effect on the content of molybdenum and impurity.

关 键 词：八钼酸铵 粒度控制 生产工艺 反应条件 粒度表征 

分 类 号：TQ113.79[化学工程—无机化工] TQ136.12