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中和-纳滤-结晶集成过程生产纯偏钨酸铵晶体(Ⅰ)中和-纳滤耦合过程
Preparation of Pure Ammonium Metatungstate (AMT) Crystal Using a Coupling Process of Neutralization-Nanofiltration-Crystallization (Ⅰ) Coupling Process of Neutralization-Nanofiltration
【Author】 Liu Jiuqing, Zhou Kanggen,Xu Zhenliang (Chemical Engineering Research Center, East China University of Science and Technology, Shanghai, 200237; Metallurgy Science and Engineering, Central South University, Changsha,410083)
【机构】 华东理工大学化学工程研究所; 中南大学冶金科学与工程学院;
【摘要】 以生产纯偏钨酸铵晶体为目的,研究了化学中和-纳滤耦合过程来生产纯偏钨酸铵晶体。利用仲钨酸铵(APT)为原料,系统地研究了温度、pH值、搅拌速度、膜压力等因素对过程的影响,得出了偏钨酸铵(AMT) 生产的合适工艺条件。
【Abstract】 Using a coupling process of neutralization-nanofiltration, new method of the preparation of pure ammonium metatungstate (AMT) was investigated. The effects of temperature, pH value, stirring velocity, membrane operating pressure and crystallization solution density on the coupling process were systematically discussed.
【Key words】 AMT crystal; neutralization; nanofiltration; coupling process; APT;
- 【会议录名称】 第二届全国传递过程学术研讨会论文集
- 【会议名称】第二届全国传递过程学术研讨会
- 【会议时间】2003-08
- 【会议地点】中国辽宁大连
- 【分类号】TQ426.8
- 【主办单位】中国化工学会