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在工艺矿物学研究的基础上,对含铅 2.93% 、锌2.80%、银 110.45g/t、硫 26.94%,以及有害元素砷0.53%的云南某含砷铅锌银多金属矿进行了选矿试验研究。结果表明:采用铅优先-锌硫混合浮选再分离工艺,结合铅银矿物高效捕收剂BK915和黄铁矿抑制剂BD,获得了铅品位68.46%、铅回收率88.50%,银品位2358 g/t、银回收率84.37%,砷品位1.45%的铅精矿;锌品位51.32%、锌回收率89.07%,砷品位0.18%的锌精矿;硫品位49.14%,硫回收率82.35%的硫精矿。 相似文献
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四川某高硫铜铅锌矿选矿工艺研究与生产实践 总被引:2,自引:0,他引:2
根据矿石性质,针对四川某高硫铜铅锌矿进行了浮选分离研究,工业试验采用铜铅混合浮选再分离—锌、硫顺序浮选的选矿工艺流程获得了铜精矿品位20.15%,回收率80.12%;铅精矿品位60.10%,回收率83.24%;锌精矿品位47.01%,回收率78.64%;硫精矿品位38.92%,回收率72.64%的较好选别指标。工业试验表明,新工艺取得了较好的技术经济指标。 相似文献
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甘肃某复杂铜铅锌硫化矿石浮选新工艺研究 总被引:1,自引:0,他引:1
为解决甘肃某铜铅锌多金属硫化矿矿石性质变化后原选矿工艺流程不能适应的问题,进行了铜与部分铅锌优先混合浮选再分离浮选-其余铅锌与硫混合浮选-铅锌与硫分离浮选新工艺的试验研究,闭路试验获得了铜精矿铜品位为20.99%、铜回收率为74.23%,铅锌混合精矿铅和锌品位分别为16.65%和27.32%、铅和锌回收率分别为91.11%和93.32%,硫精矿硫品位为41.62%、硫回收率为37.58%,伴生金和银在铜精矿和铅锌混合精矿中的总回收率分别为83.84%和88.27%的良好指标。 相似文献
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针对陕西某低品位铜铅锌硫化矿石性质的特点,采用铜铅部分优先混合浮选原则流程,以西北矿冶研究院研制的锌抑制剂T80、铜铅混合浮选捕收剂酯-12、铜铅分离铅抑制剂T81为关键药剂,对该矿石进行了选矿试验研究。结果表明,采用1粗3精1扫铜铅混浮、1粗1精1扫铜铅分离、1粗2精1扫选锌、中矿顺序返回流程处理该矿石,获得了铜品位为2896%、回收率为6371%、伴生银品位为98084 g/t、回收率为1795%的铜精矿,铅品位为4537%、回收率为8187%、伴生银品位为68996 g/t、回收率为3605%的铅精矿,锌品位为5044%、锌回收率为8936%的锌精矿。 相似文献
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对青海某硫氧混合铅锌矿进行了工艺流程及药剂制度试验研究。根据矿石特点,采用先浮铅后浮锌的优先浮选工艺进行试验,选锌工艺采用同时捕收硫化锌矿物和氧化锌矿物的新型捕收剂TY,最终获得了铅精矿铅品位66.39%、回收率97.13%、锌含量0.54%,锌精矿锌品位53.11%、回收率89.23%、铅含量0.65%的浮选指标。该研究为混合铅锌矿的浮选分离提供了一定的借鉴参考意义。 相似文献
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《中国稀土信息(英文版)》2014,(10)
<正>Developing ecological lighting source The world is facing the big problem of energy shortage today and the contradiction between economy development and environmental protection is worsened.Therefore,people are more likely to choose an ecological light source that is more energy efficient and environmental friendly.The choice provides great opportunity for the development of rare earth optical material industry in China.The concept of green lighting positions rare earth luminescent material as a leading player in illumination market.The light source of both rare earth luminescent lamp and LED lamp is ecological and energy saving.This is why 相似文献
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《中国稀土信息(英文版)》2014,(8)
正Galaxy Magnet announced its financial results for the first half of 2014 on August 14.For the first six months ended on 30 June 2014,Galaxy Magnet achieved operation income of RMB 182.3 million,up8.40% over the same period of 2013,and the net profit attributable to the shareholders of the listed company of 34.02 million yuan,increasing 35.49% over the same period of last year.Stable performance increase was led by development of new customers and application market of magnets. 相似文献
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<正>China has rich rare earth resources.Output of rare earth and steel in China ranks the top first in the world.However,there is still certain distance between the steel produced in China and developed countries from the point of varieties and quality.China still has to import some types of steel.Improving the quality should be emphasiZed in future development of steel industry in China.Rare earth can be used to upgrade traditional steel 相似文献
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《中国稀土信息(英文版)》2014,(12)
正November 21~30,2014Due to weak demand from downstream industries,transactions of rare earth in Chinese domestic market were inactive.It was difficult to sell any rare earth products except for dysprosium oxide and terbium oxide.Suppliers lost confidence in recent market.Demand for rare earth products was soft.Consumers continued to take a wait-and-see attitude.Rare earth export market remained slow. 相似文献
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分析了近年来国内外稀散金属产业的生产、应用、资源与市场状况.铟锡氧化物靶材、砷化镓晶片、锗红外材料、铼高温合金和硒在电解锰及玻璃的应用等已成为稀散金属的主要应用领域.稀散金属的产量快速增长达到历史高位而导致了市场的失衡.以GaInP_2/GaAs/Ge,CIGS和CdTe为代表的非硅系太阳能电池是稀散金属的新兴应用领域,将给稀散金属带来日益增长的需求. 相似文献
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<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth 相似文献
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《中国稀土信息(英文版)》2014,(6)
正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products 相似文献
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YANG Li 《中国稀土信息(英文版)》2014,(6)
<正>Chinese rare earth-related listed companies have published their 2013 annual reports.It can be understood from their reports that production and operation activities of Chinese rare earth-related companies were still heavily affected by macro economy and industrial policies.They basically followed the steps of national economy.In 2013,world economy recovered slowly but the economy 相似文献
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Gao Wei 《中国稀土信息(英文版)》2014,(11)
正1.Status of rare earth polishing powder Rare earth polishing powder with high content of cerium oxide began to replace iron oxide for glass polishing and became one of the key materials in glass polishing process since 1940.Compared with traditional iron oxide,rare earth polishing powder has many advantages,such as fast polishing rate,high polishing quality and long service life.It can achieve good surface quality and improve operation conditions.For example,in lens polishing,the polishing work that cerium 相似文献
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《中国稀土信息(英文版)》2014,(8)
正Pyrometallurgy Laboratory of Baotou Research Institute of Rare Earths had independently developed a new preparation technology of rare earth alloy for NdFeB.The alloy can remarkably enhance the coercivity of NdFeB magnet but also evidently reduce the production cost of the magnet.The new master alloy was prepared in the kA pilot-scale electrolytic cell by the independent technology.The rare earth master alloy can be used as the raw material for NdFeB.Compared 相似文献