用S—703G捕收剂浮选铜钼矿石的工艺

采用对黄铁矿选择性好的捕收剂（S－703G）浮选铜钼矿石，获得铜品位合格的铜钼混合精矿，然后进行铜钼分离，获得铜精矿和钼精矿。该工艺不仅大大降低了能耗费用和浮选药剂费用，而且提高了选矿厂的工艺指标。获得铜选矿工艺的预期经济效益。     

某低品位铜钼矿低碱度浮选工艺研究

针对某低品位斑岩铜钼矿矿样进行了低碱度浮选工艺研究。铜钼混合浮选阶段采用高效组合抑制剂CS,在低碱度（pH=7~8）条件下实现了铜、硫分离,伴生金属钼取得了较高的回收率;铜钼分离浮选阶段采用新型抑制剂BK510替代Na₂S抑制含量较高的次生铜,在低碱度（pH=8~9）条件下取得了较好的铜钼分离效果。实验室闭路试验获得了钼品位46.21%,钼回收率84.01%的钼精矿和铜品位24.61%,铜回收率89.25%的铜精矿。     

新选矿工艺助圆珠顶铜钼矿选出高品位矿

奥西封开圆珠顶铜钼矿通过广东省矿产应用研究所反复对比试验和可选性试验，使工业品位0．065％～0．07％的钼矿石可选出品位为48．8％～51．12％的钼精矿，回收率达到70％以上，大大增加了可利用矿石储量。目前，该矿被确定为大型铜钼矿床。封开圆珠顶铜钼矿钼的工业品位仅为0．065％～0．07％．贫矿体品位为0．02％～0．04％；     

提高含银铜的铅锌矿石选矿指标的研究

采用一段磨矿－部分混合浮选－混精铜铅分离、混选尾矿选锌流程及无氰药剂，提高了精矿品位及铜、铅、锌、银回收率。工业试验指标为：铜精矿铜品位由１６．４３％提高到２５．３１％、含铅由２７．８２％下降到１２．６４％；铅精矿铅品位由６３．３２％提高到６５．１０％、含铜由２．８７％下降到０．７２％；锌精矿锌品位由４４．６８％提高到４７．４３％。铜、铅、锌、银回收率分别为７２．５６％、８７．６０％、６７．２６％和８６．２６％，与原工艺相比、分别提高了４６．７０％、２．６２％、１．４８％和７．３３％。新工艺已成功转产，使矿山取得了明显的经济效益。     

铜钼混合精矿浮选分离抑制剂的研究

介绍一种新型铜矿物抑制剂（代号ＣＤ）进行铜钼精矿浮选分离的试验结果，用ＣＤ药剂３．８ｋｇ／ｔ，当给矿钼品位分别为０．１５１％、０．２１３％和０．３３５％，铜品位分别为２５．５５％、２５．４６％和２３．８５％时，得到含钼分别为１２．２２％、１７．３８％和１３．０５％的钼粗精矿，钼回收率分别为９３．７９％、８９．７８％和８６．１３％。ＣＤ药剂是一种可取代常规抑制剂硫化钠、实现铜钼分选的优良抑制剂。     

某铜钼矿合理选矿工艺的研究

针对某铜钼矿石进行了选矿合理工艺流程的研究。采用混合浮选铜钼硫粗精矿, 钼与铜硫分离后, 铜硫再分离的工艺流程, 可获得铜精矿品位21.40%、回收率83.48%, 钼精矿品位46.87%、回收率86.70%, 硫精矿品位45.16%、回收率77.91%的技术指标, 实现了铜、钼、硫矿物与脉石矿物的有效分离。     

内蒙某铜钼矿石选矿试验研究

内蒙某铜钼矿石中金属矿物以为黄铁矿为主,其次为黄铜矿和辉钼矿等。辉钼矿粒度细小,各矿物共生关系密切而复杂,较难分离。采用阶段磨矿的混合浮选,混合精矿钼、铜、硫分离浮选工艺流程对该矿石进行选矿试验,获得了钼品位和钼回收率为46.30%和74.66%的钼精矿、铜品位和铜回收率为23.50%和70.16%的铜精矿以及硫品位和硫回收率为35.60%和79.55%的硫精矿。     

大冶铜录山低品位氧化铜矿石预处理-磨矿浮选的研究

铜录山建矿近40午，由于低品位（含CU＜1％）氧化铜矿石选矿难题未解决，致使大量矿石堆存或废弃．本研究采用原矿预处理-磨矿浮选工艺流程，硫化钠、改性黄药（KD4）与复合油（W-2号）联用，从含0．96％CU（钢氧化率98％，结合铜占有率28％），0．75g／t　AU（包裹金占23％）的矿石中浮选出优质钢精矿，品位33．15％CU，24.96g／tAU，对原矿的铜回收率64.53％，金回收率63．11％，并为进一步从铜尾矿综合回收钱精矿创造良好条件．     

提高国内某铜钼矿选矿指标的试验

根据某铜钼矿矿石性质和钼回收率不高、钼精品位低的实际,采用石灰调整矿浆pH值,混合使用Z-200#、丁黄药和煤油为捕收剂,硫化钠为铜的抑制剂,水玻璃为铜钼分离的分散剂,可以实现铜钼的高效浮选回收并能提高钼精矿质量。在实验室条件试验的基础上,依照现场生产流程进行了实验室小型闭路试验,可获得铜精矿品位22.48%、回收率92.41%,钼精矿品位48.32%、回收率91.12%,钼精矿含铜降至0.89%。     

某铜钼矿石的选矿试验研究

考虑了某铜钼矿石的矿石性质,针对该矿石中黄铜矿、辉钼矿嵌布不均匀、解离比较困难的特点,采用"铜钼混选—铜钼混精再磨后进行3次精选—铜钼分选—钼精矿3次精选—铜精矿1次扫选"的选别工艺流程及合理的药剂制度,得到钼精矿品位41.02%、回收率62.41%,铜精矿品位29.12%、回收率81.10%的技术指标,使辉钼矿和黄铜矿得到合理的回收。     

Market and recycling of NiMH battery

<正>Market status and future trend of NiMH battery1.Global market of small NiMH battery Global market size of small NiMH batteries declined year on year since 2011.The trend will continue to 2018,at the rate of 5%to 10%annually.Demand for small NiMH batteries will be stable gradually.Many electrical apparatuses are powered by the built-in lithium battery today,which is the main reason for the shrunk market of small NiMH batteries.But,for some products,small NiMH     

China rare earth market review

正September 1-10,2014 Affected by the National Day holiday,rare earth transaction was stagnant and the market showed a weak steady state.As there was no good news for downstream market,some products with flat demand would likely rally slightly for some time to     

Current situation and future trend of China rare earth luminescent materialindustry(continued)

<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     

Galaxy Magnets achieved the net profit of 34.02 million yuan in the first six months of 2014

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.     

Rare Earth Application in Steel in China

<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     

China rare earth market review

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.     

稀散金属产业的观察与思考

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.     

Current situation and future trend of China rare earth luminescent material industry

<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     

China rare earth market review

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     

2014 second batch of rare earth quota released

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