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收稿日期:1999-11-15 基金:国家自然科学基金!资助项目 ( 5980 4 0 0 4 ;59674 0 2 2 1 );国家杰出青年科学基金!资助项目 ( 5972 540 8); Recovering RE with NH4Cl roasting from bastnasite crude ore Abstract: The optimum conditions of stripping fluorine for Sichuan bastnasite crude ore were determined by orthogonal experiments. Over 95% fluorine in the crude ore was stripped......
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Thermal Decomposition Reaction Kinetics Model of Powdered Bastnasite () [全文内容正在添加中] ......
Roast Reaction Kinetics of Bastnasite Concentrate with Sodium Carbonate Mixture柳召刚,张继荣摘 要:RoastReactionKineticsofBastnasiteConcentratewithSodiumCarbonateMixtureLiuZhaogang(柳召刚)BaotouResearchInstituteofRareEarth,Baot...关键词:......
Comparison of Properties of Bastnasite and Fluorocarbonate Rare-earth Polishing Powders何松,高勇,曾清华摘 要:1IntroductionThebastnasiterareearthpolishingpowderandthefluorocarbonaterareearthpolishingpowderaretwokindsofpopularpolishin...关键词:......
Decomposition of bastnasite and monazite mixed rare earth minerals calcined by alkali liquid许延辉,刘海蛟,孟志军,崔建国,赵文怡,李良才Baotou Research Institute of Rare Earths摘 要:The process of decomposion of the bastnasite and monazite rare earth concentrates by alkali solutions was investigated. The mixed slurries of the rare earth concentrates and the alkali solutions......
Decomposition of bastnasite and monazite mixed rare earth minerals calcined by alkali liquid许延辉,刘海蛟,孟志军,崔建国,赵文怡,李良才Baotou Research Institute of Rare Earths摘 要:The process of decomposion of the bastnasite and monazite rare earth concentrates by alkali solutions was investigated. The mixed slurries of the rare earth concentrates and the alkali solutions......
Comparison of Economical and Technical Indices on Rare Earth Separation Processes of Bastnasite by Solvent Extraction严纯华,廖春生,贾江涛,王明文,李标国摘 要:ThebastnasiteinBaiyun′eboofInnerMongoliaismorethan70%oftheprovenrareearthresourcesalovertheworld.Thesimilaroreswerediscovered...关键词:......
Studies on Sulfating Roasting Process for Mianning Bastnasite and Baotou Mixed RE Concentrate Ore Miao Guangli1 (1.Gansu Rare Earth Company, Baiyin 730922, China) Abstract:Some processes of sulfating roasting and water leaching of crude Mianning RE concentrate ore, of fine Mianning RE concentrate ore, of Baotou RE concentrate ore and of their mixture were investigated.The result shows......