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- Oolitic Hematite Ore 鲕状赤铁矿
- Oolitic hematite is considered as one of the most refractory iron ore type. 鲕状赤铁矿石是目前国内外公认的最难选的铁矿石类型之一。
- The paper presents series research on refractory oolitic hematite in HeBei Area as following: ore quality、technology mineralogy and mineral processing technolgy. 鲕状赤铁矿因其微细粒嵌布、结构复杂等特点,一直被认为是世界选矿难题。
- The results show that the process of the nucleation and grain growth of metallic in direct reduction of high phosphorus oolitic hematite is one of destroying the oolitic structure of raw ore. 研究结果表明,高磷鲕状赤铁矿直接还原过程中金属铁颗粒成核及晶核长大的过程是破坏原矿鲕状结构的过程;
- High phosphorus oolitic hematite and limonite ore 高磷鲕状赤褐铁矿石
- oolitic hematite and limonite ore 鲕状赤褐铁矿
- The characteristics of grain growth of metallic phase in direct reduction of high phosphorus oolitic hematite by carbon are discussed in the paper. 研究鄂西高磷鲕状赤铁矿直接还原过程中金属铁颗粒的长大特性,并着重讨论还原温度、渣相碱度及反应时间对铁颗粒长大的影响。
- Test Research on Benefication of Refractory OOlitic Hematite and Limonite Ore 难选鲕状赤、褐铁矿石的选矿试验研究
- The effective separation of hematite ore is of major significance to the development of iron and steel industry. 赤铁矿的有效选别对钢铁工业的发展有重大的作用。
- In all production practice and research at present, quartz is the main gangue mineral in hematite ore and the flotation target. 在目前所有的生产实践和研究工作当中,石英是赤铁矿矿石中主要的脉石矿物和浮选对象。
- The characteristics of direct indirect flotation have remarkable superiorities in treating lean impurified fine hematite ore. 正-反浮选对于处理贫、细、杂的赤铁矿有比较明显的优势。
- Preliminary Study on Flotation of Oolitic Hematite 鲕状赤铁矿浮选试验初步研究
- High phosphorus oolitic hematite 高磷鲕状赤铁矿
- oolitic hematite containing phosphorus 含磷鲕状赤铁矿
- The process flowsheet is simple,and shows good suitability.It is a successful example for processing of refractory hematite ore. 该工艺结构简单，适应性强，是选别难选赤铁矿较为成功的实例。
- Research is made on the reverse flotation by flotation column for desilication in order to improve the concentrate of magnetic separation of a hematite ore concentrator. 针对提高某赤铁矿选矿厂的磁选精矿品位进行了浮选柱反浮选脱硅试验研究。
- Keywords Refractory iron ore;Siderite;Limonite;Oolitic hematite;Complex iron ore; 难选铁矿石;菱铁矿;褐铁矿;鲕状赤铁矿;复合铁矿石;
- The oolite hematite in the west of Hubei, because of its inlay granularity be so thin、raw ore’s quality be complex and with high impurity, the traditional methods get hardly to requirement of smelt. 鄂西宁乡式鲕状赤铁矿嵌布粒度极细、杂质含量高，传统的选矿方法生产的铁精矿很难达到冶炼要求。
- Keywords Oolitic hematite;dodecylamine;grinding fineness;flotation; 鲕状赤铁矿;十二胺;磨矿细度;浮选;
- Keywords oolitic Hematite;High phosphorus ore;self-reduction under high temperature;dephosphorization;magnetic separation; 鲕面状赤铁矿;高磷矿;高温自还原;脱磷;磁选;
