氟碳铈矿
- 网络Bastnaesite;bastnasite;Ce, La
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矿石中的黑色风化土状物富含次生稀土,其Eu、Y配分值比矿石、氟碳铈矿都高。
The black weathering product in the ore is rich in secondary rare-earth minerals , the partition values of Eu and Y of which are higher than those of the ore and bastnaesite .
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单体氟碳铈矿在600℃焙烧2h,铈的氧化率大于90%;
The bastnaesite is burned at 600 ℃ for 2 hours . The rate of oxidation of cerium (ⅲ) is above 90 % .
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西南MN稀土矿是以轻稀土为主,工业矿物单一为氟碳铈矿。
SouthWest MN Rare Earth Mine is a light rare earth ore in which bastnadite is the only industrial mineral .
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上述结果表明在氟碳铈矿晶体阶段性的生长过程中含REE热液系统经历了成分的变化。
These results indicate that the REE-bearing hydrothermal system underwent a significant compositional change during the stepwise growth of the bastnaesite crystal .
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根据氟碳铈矿稀土组成的特点和市场可预测的稀土产品结构,应用串级萃取理论优化设计氟碳铈矿P507HCl体系萃取分离流程。
According to the composition of bastnasite and the constitution of products in the rare earth market , a new separation process for bastnasite by solvent extraction in P 507-HCl system was presented .
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独居石与氟碳铈矿浮选分离新工艺的研究表明,以单烷基磷酸酯(P538)作捕收剂,柠檬酸作调整剂,能有效地使独居石与氟碳铈矿浮选分离。
In this paper a new technique for separating monazite from bastnaesite by flotation is described . The results show that the separation of monazite from bastnaesite can be effectively realized with mono-alkyl ester phosphoric acid as a collector and citric acid as a regulato (?)
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氯化铵焙烧法从中品位氟碳铈矿精矿提取稀土的研究
Extracting Rare Earth from Midgrade Bastnasite Concentrate with NH_4Cl Roasting Method
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热分析技术在氟碳铈矿分解动力学中的应用
Application of Thermal Analysis Technique to the Decomposition Kinetics of Bastnasite
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攀枝花细粒钛铁矿混合药剂浮选研究组合用药及其在氟碳铈矿浮选中的应用
Application Research on Combined Use of Reagents in Flotation of Bastnaesite
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浮选氟碳铈矿的捕收剂及药剂混用的研究
Study on the Collectors for Bastnasite Flotation and Their Mixture Application
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1-羟基-2-萘羟肟酸浮选氟碳铈矿作用机理
Flotation mechanism of bastnaesite with 1 hydroxy 2 naphthyl hydroxamic acid
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氟碳铈矿精矿的分步氯化-化学气相传输反应
Stepwise Chlorination - Chemical Vapor Transport Reactions for Bastnaesite Concentrate
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氟碳铈矿-独居石混合精矿分离提取稀土元素
Rare Earth Extraction and Separation from Bastnaesite-Monazite Mixed Concentrate by Chemical Vapor Transport
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粉状氟碳铈矿热分解反应动力学模型
Kinetics Model of Thermal Decomposition Reaction of Powdered Bastnaesite
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结果表明,它们对氟碳铈矿均具有良好的浮选选择性。
The conclusion proved that , both of them have good flotation selectivity .
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高品位氟碳铈矿焙烧分解过程的研究
Study on decomposition of high grade bastnasite in calcination
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氟碳铈矿环境友好冶炼工艺研究
Study on Environment Being Smelting Technology of the Fluorinate-carbonaceous-cerium
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添加稀土硝酸盐氟碳铈矿的热分解行为
Behavior of Thermal Decomposition of Bastnaesite with Rare Earth Nitrate Added to It
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氟碳铈矿提取稀土的绿色化学进展
A Progress of Green Chemistry on the Decomposition and Extraction of Rare Earth from Bastnasite
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氟碳铈矿测氟样品处理新方法研究
Study on determination of fluorine in hamartite
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研究稀土矿物(氟碳铈矿)填充改性尼龙6的力学性能和热性能。
I The mechanical and heat properties of rare earth mineral filled nylon 6 have been studied .
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试验结果表明:捕收剂、硅酸钠的用量对氟碳铈矿的浮选影响显著;
Experimental results show : the dosage of collecting agent and sodium silicate has great influence towards bastnaesite floatation ;
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氟碳铈矿纯碱焙烧低酸浸出直接制取氯化稀土和工业纯铈工艺包头稀土精矿纯碱焙烧-酸浸法制备农用稀土的研究
Study on Preparation of rare earth for agriculture from Baotou rare earth concentrate with pure alkaline roasting-acid leaching method
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通过对氟碳铈矿煅烧处理,将其中的氟进行回收利用,减少了对大气的污染。
The paper introduces disposing mine of fluorocarbon cerium , reclaiming fluorin from mine of fluorocarbon cerium , and reducing atmosphere pollution .
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本文对包头矿(氟碳铈矿和独居石)在萃取分离稀土工业中所产生的氯化铵废水进行了分类。
This paper classified the Ammonium chloride waste water in the extraction and separation of Baotou Rare Earth ores ( Bastnasite and Monazite ) .
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粗细分选选矿工艺流程的总结和展望(上)氟碳铈矿粗细分选新工艺
Summary and envisage of the beneficiation technological flowsheets for the separate treatment of fine and coarse ores (ⅰ) Bastnasite Separation Process Based on Size Fractions
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随着国家对氟碳铈矿资源和环境安全的重视,建立清洁的氟碳铈矿浸取工艺显得尤为必要。
Along with the attentions on the resource of Bastnaesite and environmental safety by our country , it is important to establish the clean leaching technique of Bastnaesite .
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研究还显示,在矿石矿物氟碳铈矿中,存在着大量的流体包裹体,这说明矿床的稀土矿化与热液作用有成因联系,成矿温度为150-270℃。
The fluid inclusions existing in the bastnaesite indicate that the REE mineralization is closely related to hydrothermal process . The ore-forming temperature ranges from 150 ℃ to 270 ℃ .
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在氟碳铈矿中氟也是资源,只有将氟资源转化内化于稀土冶炼工艺中,成为不可缺少的一环,才能从根本上解决稀土生产的氟污染问题。
Only when the transformation of fluorine to resource is internalized into the smelting process of rare earth , and become a indispensable step , can the pollution problem in rare earth producing be resolved radically . 2 .
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针对浓碱转化反应进行的机理研究表明,氟碳铈矿在常压、浓碱转化过程中发生的成分变化,主要是原有结构中的F-被OH-取代。
The study shows that changes in composition of bastnasite during the alkali conversion are contributed to the replacement of F - in original structure by OH - . Also , this paper discusses some factors affecting the recovery of rare earths .