新型脱镁捕收剂FC-2B浮选云南海口磷矿试验研究  

Flotation tests on collophanite in Haikou,Yunnan with a new de-magnesium collector FC-2B

作　　者：章颖[1] 蔡坤[1] 潘志权 黄齐茂[1] 

机构地区：[1]武汉工程大学绿色化工过程省部共建教育部重点实验室,湖北武汉430074 [2]国家磷资源开发利用工程技术研究中心,湖北武汉430074

出　　处：《化工矿物与加工》2014年第1期1-3,6,共4页Industrial Minerals & Processing

基　　金：国家支撑计划项目(2007BAB08B08);湖北省自然科学基金重大项目(2008CDA031)

摘　　要：针对云南海口磷矿进行了分离胶磷矿和白云石的浮选试验研究,实际矿物浮选试验结果表明,FC-2B捕收剂能有效分选胶磷矿与白云石。在入选原矿P2O5品位为19.16%,MgO质量分数为4.67%的情况下,获得的磷精矿P2O5品位为28.54%,回收率为80.40%,MgO质量分数为0.80%,MgO排除率为90.52%。纯矿物试验研究了FC-2B捕收剂对胶磷矿和白云石选择性的差异,并借助红外光谱测试证明该捕收剂在白云石表面主要为牢固的化学吸附,其对白云石表现出较好的选择性。Flotation tests were conducted to separate collophan- ite and dolomite in Haikou Phosphate Mine, Yunnan. The test results showed that collector FC-2B could effectively separate col- lophanite and dolomite. With the feed ores having P20~, grade 19. 16~/00 and MgO content being 4. 670/00, the concentrate of 28.54% in P20s grade was produced with the recovery of 80. 40%, MgO content 0.80% and MgO removal rate 90.52%. The pure mineral flotation tests were carried out to study the difference of selectivity of collophanite and dolomite by collector FC-2B and infrared spectroscopy measurement showed that col- lector FC-2B could be chemisorbed onto the surface of dolomite and showed excellent selectivity to dolomite.

关 键 词：胶磷矿 白云石 浮选 纯矿物 

分 类 号：TD971[矿业工程—选矿]