bastnaesite相关论文
Reaction mechanism of fluoride conversion into BF4-during sulphuric acid leaching of roasted bastnae
The bastnaesite used in hydrometallurgy usually contains 7％-11％fluorine,and the conversion of fluo-rine into high-value pr......
Isoconversional kinetic analysis of decomposition of bastnaesite concentrates with calcium hydroxide
Isoconversional methods combined with thermogravimetry were applied to investigate the decompo-sition kinetics of bastna......
Structural and electronic properties of bastnaesite and implications for surface reactions in flotat
The structural and electronic properties of bastnaesite were studied by using the first-principles method based on the d......
研究了硫酸浸出德昌稀土与天青石共伴生矿的焙烧矿过程.考查粒度、搅拌速度、硫酸浓度和温度对稀土浸出率的影响,并对稀土的浸出动......
The properties of rare earth partitioning in Chinese industrial rare earth ores were analyzed. Rare earth ores can be di......
四川省德昌县大陆槽稀土矿主要稀土矿物为氟碳铈矿,其嵌布粒度细,与其他矿物嵌布关系复杂;萤石、重晶石、锶钡硫酸盐矿物等伴生矿......
氟碳铈矿型稀土矿浮选,一般需脱泥预处理后用芳香烃羟肟酸或改性羟肟酸等捕收剂在一定条件下浮选可获得合格的氟碳铈精矿[1-3]。四......
在氟碳铈矿与独居石浮选分离中铝盐作调整剂能强烈抑制独居石而使氟碳铈矿与独居石得到有效分离。在白云鄂博混合稀土精矿浮选分离......
四川某稀土矿RexOy品位为6.62%,稀土矿物主要为氟碳铈矿,脉石矿物主要为萤石、重晶石及石英、角闪石,采用摇床—浮选工艺进行选别,......
冕宁稀土矿是我国西南地区的大型轻稀土矿床。它不仅含有丰富的轻稀土,而且铕、钇等中重稀土较国内外同类型矿床高。该矿的特点是......
四川德昌大陆槽稀土矿开发利用过程中堆积的稀土尾矿有用矿物含量多,如不合理利用,不仅造成资源浪费,还会污染环境。对德昌大陆槽......
本文对氟碳铈镧矿中与富镧稀土分离的新工艺进行了研究，分离出来的富镧稀土，经适当配比可满足制取储氢合金的要求，本文还对优溶和氧化......
攀西地区以喜马拉雅期稀土碱性杂岩的控岩控矿构造裂隙 ,霓石英碱正长岩和霓辉正长 (斑 )岩高位小侵入体 ,碱性伟晶岩、霓辉萤石锶......
考察盐酸浓度、浸出温度、液固比和矿物粒度对浸出速度的影响。结果表明：在盐酸浓度6mol/L、浸出温度90℃、液固比15：1、矿物粒度25......
采用单矿物试验的方法，分别以油酸钠和十二烷基磺酸钠为捕收剂，研究了氟碳铈矿的浮选行为，并通过红外光谱研究了油酸钠和十二烷基磺酸......
本文研究的氟碳铈矿产于四川牦牛坪大型稀土矿床中,呈六方自形—半自形板状、柱状、他形粒状,粒度0.1—10mm。矿物为淡黄色,实测比......
研究了二(2-乙基己基)磷酸(DEHPA)从含氟硫酸稀土溶液中萃取Ce4+ 过程中生成第三相的组成, 运用X荧光光谱法和化学法测定了有机相......
四川氟碳铈矿是我国重要的轻稀土矿产,其富含铈、镧、钕、镨等用量广泛的轻稀土元素。目前我国稀土永磁的消费量占稀土材料的用量......
针对氟碳铈矿浸出液直接萃取提铈过程中 F-, Fe3+等杂质的存在造成的有机乳化问题, 重点研究了焙烧矿在稀硫酸浸出过程中铈和铁的......
Rare earths were not mined domestically in 2016. Bastnaesite, a rare-earth fluorocarbonate mineral, was previously mined......
