新型抑制剂BK511在某矿铜钼分离浮选中的试验研究

研究采用新型抑制剂BK511,对强捕收剂黄药浮选的铜钼混合精矿进行了铜钼分离浮选试验研究。试验采用两次铜钼分离粗选、钼粗精矿一次精选后再磨、再经五次精选工艺流程,获得了钼精矿含钼45.31%,含铜1.14%,钼回收率89.94%的浮选指标。试验结果表明,BK511对采用强捕收剂黄药浮选的铜钼混合精矿中的铜矿物,具有较好的抑制作用。     

新型铜抑制剂BK511用于某矿铜钼分离浮选的试验研究

采用新型抑制剂BK511,对强捕收剂黄药浮选的铜钼混合精矿进行铜钼分离浮选试验。试验采用两次铜钼分离粗选、钼粗精矿一次精选后再磨、再经五次精选工艺流程,获得钼精矿含钼45.31%,含铜1.14%,钼回收率89.94%的浮选指标。结果表明,BK511对采用强捕收剂黄药浮选的铜钼混合精矿中的铜矿物,具有较好的抑制作用。     

选择性絮凝-柱浮选回收钼精选尾矿中的微细粒辉钼矿

针对某钼精选尾矿细泥含量大、辉钼矿嵌布粒度微细的特点,提出选择性絮凝-柱浮选新工艺,即先将钼精选尾矿进行选择性絮凝,采用高效的微细粒分选的设备旋流-静态微泡浮选柱进行分选,解决了该钼精选尾矿中微细粒辉钼矿的回收问题。利用浮选柱半工业试验系统,考察处理量、分散剂用量、捕收剂用量、絮凝剂用量、起泡剂用量和抑制剂用量等因素对浮选指标的影响,并优化工艺和操作参数条件,在此基础上进行连选试验。研究结果表明:采用选择性絮凝-柱浮选工艺,在浮选柱"一粗三精一扫"闭路流程的情况下,可获得钼精矿钼品位为34.40%、铜精矿铜品位为16.83%,钼回收率为73.97%、铜回收率为67.48%的良好指标。该技术的研究为钼精选尾矿中微细粒辉钼矿的回收提供了新思路。     

某铜钼矿选矿试验研究

在分析了原矿化学多元素、磨矿粒度特征、矿石的物质组成及其特点的基础上,进行了磨矿、捕收剂用量、粗精矿再磨细度、铜钼分离抑制剂用量、开路和闭路试验研究,提出某铜钼混合浮选—粗精矿再磨—铜钼再分离精选流程,并取得了较好的指标。     

某铜钼矿选矿试验研究

在分析了原矿化学多元素、磨矿粒度特征、矿石的物质组成及其特点的基础上,进行了磨矿、捕收剂用量、粗精矿再磨细度、铜钼分离抑制剂用量、开路和闭路试验研究,提出某铜钼混合浮选-粗精矿再磨-铜钼再分离精选流程,并取得了较好的指标。     

浮选柱在铜钼混合精矿铜钼分离中的试验研究

黑龙江多宝山铜矿选矿厂生产的铜钼混合精矿中含铜18.95%、含钼0.42%,为实现铜钼混合精矿中铜钼高效分离,利用浮选柱进行了铜钼分离试验研究。结果表明,采用铜钼混合精矿磨矿后一次粗选、一次扫选、钼粗精矿再磨后四次精选的铜钼分离流程,用浮选柱浮选可获得含钼45.68%、钼回收率82.66%的钼精矿和含铜18.47%、铜回收率99.92%的铜精矿。相比浮选机浮选,浮选柱浮选有效提高了钼精矿质量及钼回收率,增加了工艺流程的稳定性,同时还缩短了钼精选次数,减少了选矿药剂用量及选矿能耗。     

浮选柱在铜钼混合精矿铜钼分离中的应用研究

黑龙江多宝山铜矿选矿厂生产的铜钼混合精矿中含铜18.95%、含钼0.42%,为实现铜钼混合精矿中铜钼高效分离,利用浮选柱进行了铜钼分离试验研究。结果表明,采用铜钼混合精矿磨矿后一次粗选、一次扫选、钼粗精矿再磨后四次精选的铜钼分离流程,用浮选柱浮选可获得含钼45.68%、钼回收率82.66%的钼精矿和含铜18.47%、铜回收率99.92%的铜精矿。相比浮选机浮选,浮选柱浮选有效提高了钼精矿质量及钼回收率,增加了工艺流程的稳定性,同时还缩短了钼精选次数,减少了选矿药剂用量及选矿能耗。     

西藏甲玛铜钼矿浮选试验研究

根据西藏甲玛铜钼矿石的共生嵌布状况及特点,制定了铜钼混合浮选—铜钼分离的工艺试验流程。铜钼混合浮选采用常规浮选药剂,铜钼分离采用自行研发的低毒高效铜抑制剂HX,通过大量的条件试验,确定了铜钼混合浮选—铜钼分离的最佳工艺条件,并进行了全流程闭路试验,最终获得钼精矿钼品位48.49%、钼回收率86.95%,铜精矿铜品位32.23%、铜回收率95.19%的良好指标。     

西藏某铜钼矿石浮选试验研究

根据西藏某铜钼矿石的共生嵌布状况及特点,制定了铜钼混合浮选—铜钼分离的工艺试验流程。铜钼混合浮选采用常规浮选药剂,铜钼分离采用自行研发的低毒高效铜抑制剂HX-1,通过大量的条件试验,确定了铜钼混合浮选—铜钼分离的最佳工艺条件,并进行了全流程闭路试验,最终获得钼精矿钼品位48.49%、钼回收率86.95%;铜精矿铜品位32.23%、铜回收率95.19%的良好指标。     

某铜钼混合精矿臭氧氧化浮选分离试验研究

采用臭氧氧化法使黄铜矿和辉钼矿表面可浮性产生差异,对某铜钼混合精矿进行了铜钼分离试验研究。结果表明,在适宜臭氧氧化条件下,经过一次粗选三次精选闭路试验,可获得钼品位47.46%、钼回收率94.96%、铜含量0.10%的钼精矿。臭氧氧化浮选的指标显著高于硫化钠作抑制剂时的指标,说明可以用臭氧氧化取代硫化钠进行抑铜浮钼。     

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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