结晶添加剂对硫酸钾结晶过程影响研究

Study of the Crystallization of K_2SO_4 Solution and Additives Effect on the Crystallization

本文研究了NH+ 4 、K+ 、Cl-、SO2 -4离子的混合体系中K2 SO4晶习、晶形特性 ,考查了不同结晶添加剂对K2 SO4结晶的影响 ,探讨了各种离子对硫酸钾在混合体系中结晶过程影响机制。试验结果表明 ,Mg2 + 和十二烷基苯磺酸钠有促进K2 SO4晶体结晶作用 ,而Fe3 + 、Al3 +

In this paper, crystal habit and shape of crystallization of K 2SO 4 were observed and measured. The effects of ions of NH + 4 ?K +?Cl -?SO 2- 4 and additives on crystal growth and crystal velocity were discussed. It is proved that Mg 2+ and sodium dodecyl benzene sulfonate could promote crystallization of K 2SO 4. But Fe 3+ and Al 3+ could restrain crystallization of K 2SO 4.