油酸钠体系中微细粒胶磷矿的浮选行为

Study of on Flotation Behavior of Ultrafine Collophanite in Sodium Oleate System

通过单矿物浮选试验考察了油酸钠体系中微细粒胶磷矿的可浮性,并比较了六偏磷酸钠、硅酸钠、焦磷酸钠、淀粉、腐植酸钠这5种抑制剂对微细粒胶磷矿的抑制效果。试验结果表明:油酸钠浮选微细粒胶磷矿的适宜条件应为矿浆温度45℃、用NaOH调节矿浆pH=10、油酸钠用量6×10-4mol/L;5种抑制剂对微细粒胶磷矿抑制能力的强弱排序为腐植酸钠>六偏磷酸钠>淀粉>焦磷酸钠>硅酸钠。

Flotation behavior of ultrafine collophanite in sodium oleate flotation system is investigated and the five types of modifiers including sodimn hexametaphosphate, sodium silicate, sodium pyro-phosphate, starch, sodium humate on ultrafinc collophanite recovery are researched through flotation tests of single mineral. The results showed that the appro- priate conditions for flotation of ultrafine collophanite with sodium oleate were pulp temperature 45℃ ,pulp pH = 10 adjus- ted by NaOH, sodium oleate of 6 x 10-4 tool/L; The inhibiting performance of five inhibitors on ultra_fine collophanite is listed in order as sodium humate 〉 sodium hexametaphosphate 〉 starch 〉 sodium pyro-phosphate 〉 sodium silicate.