摘要
针对湖北宜化殷家坪低品位难选硅镁质磷矿,采用阴离子捕收剂MG-7反浮选脱镁—沉降脱泥—阳离子捕收剂T609反浮选脱硅工艺.在脱硅之前预先脱泥,同时消泡剂TOP和捕收剂T-609搭配使用,解决了阳离子反浮选脱硅过程中泡沫过稳定的难题.获得品位为33.04%,回收率为69.50%的浮选精矿.将分离的矿泥并入精矿,混合后精矿品位为30.56%,回收率为78.68%.相比于传统的正浮选工艺,此工艺不需加温有效地降低了选矿的成本.
A low grade phosphate ore with high silicon and magnesium in Hubei was processed by a double reverse flotation with anionic collector MG-7 removing magnesium，sedimentation desliming and the cationic collector T609 removing silicon. The problem of over-stable foam in cationic reverse flotation process can be effectively solved by desliming before desilication，and combining collector T-609 with defoaming agent TOP. The grade of P2O5 achieves 33.04%，and the recovery is 69.50%. When combined slime with concentrate，the concentrate grade is 30.56% and the recovery is 78.68%. Compared with the traditional flotation process，this new technology without heating reduces the production cost2
出处
《武汉工程大学学报》
CAS
2017年第6期594-599,共6页
Journal of Wuhan Institute of Technology
关键词
磷矿
双反浮选
捕收剂
消泡剂
过稳定泡沫
phosphate ore
double reverse flotation
collector
defoaming agent
over-stable foam
