光卤石分解制取KCl结晶过饱和度影响的研究  

Effect of Supersaturation on Preparation of Potassium Chloride by Decomposition of Carnallite

作　　者：保英莲[1] 张志强[1] 

机构地区：[1]青海大学化工学院,青海西宁810016

出　　处：《盐业与化工》2014年第9期15-18,共4页Jounral of Salt and Chemical Industry

基　　金：2013春晖计划(Z2012084)

摘　　要：通过MSMPR结晶器系统对光卤石加水分解,采用不同的过饱和度进行氯化钾结晶动力学研究,建立了光卤石分解制取氯化钾结晶过程中氯化钾结晶动力学模型。探讨了氯化钾结晶过程中过饱和度对成核与生长速率的影响程度,为用光卤石生产氯化钾产品,提高其取得率及增大晶体粒度提供了理论依据。The crystallization kinetics of potassium chloride under different supersaturation was studied with the process of decomposition of carnallite in the MSMPR crystallizer system. The crystallization kinetics model of potassium chloride was established and the effect of supersaturation on the nucleation and growth rate of potassium chloride crystallization was discussed. This result would be a theoretical basis for the improvement of quality and the increase of the particle size of potassium chloride.

关 键 词：MSMPR结晶器 氯化钾 过饱和度 结晶动力学 

分 类 号：TS396.1[轻工技术与工程]