磷灰石常温浮选溶液化学的研究  

SOLUTION CHEMISTRY IN FLOTATION OF APATITE AT NORMAL TEMPERATURES

作　　者：李冬莲[1,2] 卢寿慈[1,2] 谢恒星[1,2] 

机构地区：[1]武汉化工学院材料系 [2]北京科技大学

出　　处：《矿冶工程》1999年第1期35-37,共3页Mining and Metallurgical Engineering

基　　金：湖北省科委重点科技攻关项目

摘　　要：采用十二烷基苯磺酸钠（ＳＤＢＳ）作为油酸浮选的增效剂，进行了磷灰石石英人工混合矿分离实验。当ＳＤＢＳ为油酸用量的１０％时，在低温（１０℃）条件下，可使浮磷回收率提高４０％左右，达到单独使用油酸加温浮磷相同的效果。溶液化学研究表明：作为增效剂的ＳＤＢＳ，可促进油酸分散和溶解，同时抑制磷灰石溶解，降低钙离子浓度，从而促进油酸根离子在矿粒表面吸附。The flotation experiments of manually mixed ore of apatite and quartz are carried out using SDBS, a anionic surfactant as the synergist for oleic acid. When SDBS used in the experiments equals to 10% wt of oleic acid, the phosphorus recovery can be increased by about 40% at low temperatures reaching the same results as with oleic acid alone. The study shows that SDBS, as the synertist can both accelerate the dispersion and dissolution of oleic acid and control the dispersion and dissolution of apatite and reduce the concentration of caldium ions, promoting the adsorption of oleic acid radical ions onto the surfaces of mineral particles.

关 键 词：磷灰石 增效剂 常温浮选 溶液化学 选矿 

分 类 号：TD971.3[矿业工程—选矿]