表面活性剂与钾长石提钾过程的相容性研究  

Research on the Compatibility of Surfactants with Extractive Process of Potassium from Potash Feldspar

作　　者：韩效钊[1] 胡波[1] 高新勤[1] 唐述培[1] 

机构地区：[1]合肥工业大学化学工程学院,安徽合肥230009

出　　处：《矿产综合利用》2005年第6期3-7,共5页Multipurpose Utilization of Mineral Resources

基　　金：安徽省自然科学基金资助项目(03045103)

摘　　要：选择阴离子表面活性剂(十二烷基苯磺酸钠和十二烷基硫酸钠)、阳离子表面活性剂(SC I-A)和非离子表面活性剂(span-60),研究了其单一或混合物对钾长石提钾过程的影响。通过钾溶出率的变化,讨论了不同表面活性剂与钾长石的相容性。实验结果表明:阳离子表面活性剂与钾长石的相容性最好,并以离子对形式吸附于钾长石表面;阴离子表面活性剂与钾长石的相容性较好,其吸附形式可能是范德华吸引力吸附;混合表面活性剂比单一表面活性剂更有利于提高钾溶出率。The sodium dodecyl benzene sulfonate and sodium dodecyl sulfate are selected as anionic surfactants, the SCI - A is used as a cationic surfactant and the span - 60 is used as a non - ionic surfactant, the influences of their single and mixed aqueous solution on extractive process of potassium were researched. The compatibility of different surfactants with crystalline structure of potash feldspar was discussed by means of determining variation of extractive degree of potassium. The experimental results showed that the cationic surfactant ion - adsorbed on the surface of potash feldspar had the best compatibility with potash feldspar, the anionic surfactant adsorbed by Van der waals force on surface had comparatively good compatibility with potash feldspar. The mixed surfactants had higher extractive degree of potassium than single surfactant.

关 键 词：钾长石 表面活性剂 相容性 

分 类 号：TQ423[化学工程] TQ443.5