新疆巴楚县钛资源综合回收利用技术取得突破性进展

<正>新疆巴楚县的钒钛磁铁矿原矿中铁、钛含量均相对较低,其中TFe 18.34%、TiO28.11%。其主要金属矿物为钛磁铁矿、钛铁矿、磁黄铁矿和黄铁矿等;矿石主要结构类型为自形晶-半自形晶、稀疏粒状结构、固溶体分解结构和不规则它形结构;主要构造类型为中等浸染状构造和星散浸染状构造。且原矿中的主要矿物(钛磁铁矿、钛铁矿、     

矿物自动分析系统在攀西某矿区钒钛磁铁矿工艺矿物学上的应用

为得到攀西某钒钛磁铁矿矿石基础的工艺矿物学数据,为以后矿床的开发利用提供包括矿石中矿物组成、含量、元素分布、理论回收率等基础工艺矿物学数据支撑,利用矿物自动分析系统(AMICS)对攀西某钒钛磁铁矿矿石进行研究。从矿区现场取样,在实验室将取回的块状钒钛磁铁矿矿石破碎、磨细、缩分后得粉末样品。为减小粒度差异带来的实验误差,将粉末样品筛分成8个粒级的样品,再制成光片,喷金处理后利用AMICS对分级后的钒钛磁铁矿矿石样品进行研究。查明了矿石的矿物组成及含量、关键元素的赋存状态、矿石矿物的单体解离等工艺矿物学特征。结果表明:攀西某矿区钒钛磁铁矿中矿石矿物主要为钛磁铁矿和钛铁矿,脉石矿物主要为透辉石、角闪石、橄榄石等硅酸盐矿物;矿石中Fe元素主要赋存于钛磁铁矿和钛铁矿中,分布率分别为71.85%和7.80%,另有19.46%的Fe元素分布于硅酸盐矿物中,这部分Fe元素很难回收利用。     

矿物自动分析系统在攀西某矿区钒钛磁铁矿工艺矿物学上的应用

为得到攀西某钒钛磁铁矿矿石基础的工艺矿物学数据,为以后矿床的开发利用提供包括矿石中矿物组成、含量、元素分布、理论回收率等基础工艺矿物学数据支撑,利用矿物自动分析系统(AMICS)对攀西某钒钛磁铁矿矿石进行研究。从矿区现场取样,在实验室将取回的块状钒钛磁铁矿矿石破碎、磨细、缩分后得粉末样品。为减小粒度差异带来的实验误差,将粉末样品筛分成8个粒级的样品,再制成光片,喷金处理后利用AMICS对分级后的钒钛磁铁矿矿石样品进行研究。查明了矿石的矿物组成及含量、关键元素的赋存状态、矿石矿物的单体解离等工艺矿物学特征。结果表明:攀西某矿区钒钛磁铁矿中矿石矿物主要为钛磁铁矿和钛铁矿,脉石矿物主要为透辉石、角闪石、橄榄石等硅酸盐矿物;矿石中Fe元素主要赋存于钛磁铁矿和钛铁矿中,分布率分别为71.85%和7.80%,另有19.46%的Fe元素分布于硅酸盐矿物中,这部分Fe元素很难回收利用。     

力马河銅镍硫化矿选矿工艺流程的改革与实践

会理镍矿所处理的矿石是产于基性和超基性岩体中的铜镍硫化矿,矿石中镍铜比约2:1。主要金属矿有镍黄铁矿、含镍磁黄铁矿、黄铜矿、磁铁矿及少量黄铁矿。在整个硫化矿物中磁黄铁矿约占65～70％,镍黄铁矿占13—18％,黄铜矿占15—20％,主要脉石     

凤凰山贫赤铁矿选矿试验与实践——红矿研究中若干问题的探讨

前言凤凰山铁矿属中高温热液成因矿床。矿体似层状产出。上盘脉石为砂岩,下盘脉石为闪长岩。金属矿物以暗红色、暗灰色的赤铁矿为主,并有少量磁铁矿、褐铁矿、铁质砂岩。非金属矿物以石英、方解石为主,其它为磷灰石、高岭石、角闪石等。构成矿床的主要矿石类型有致密块状构造和原生角砾状构造两种,其中致密块状矿石占60%以上。赤铁矿主要为假象赤铁矿,多呈细粒集合体构成块状,部分浸染状及蜂窝状嵌布于脉石矿物中。浸染粒度极细,一般为0.03毫米。磁铁矿粒径一般为0.02毫米,在负45米的代表性矿样中,磁性铁含量     

武都区金坑子金矿矿石特征

通过偏光显微镜对金坑子金矿矿石光片、透片的观察,金属矿物主要有自然金、黄铁矿、褐铁矿、辉锑矿,少量磁黄铁矿、磁铁矿,微量毒砂、方铅矿等;脉石矿物主要有石英、绢云母。金矿物主要以自然金的形式包裹于石英、褐铁矿及其的裂隙中。岩石中含有酸性-中酸性的侵入岩,海西期以花岗岩为主,印支期以花岗斑岩为主,后者与金矿化关系密切。     

东安浅成低温热液型金矿床金的赋存状态

东安浅成低温热液型金矿床位于黑龙江省逊克县北, 赋存于中酸性火山-侵入岩、晚印支期碱长花岗岩和中燕山晚期细粒碱长花岗岩脉强硅化蚀变带中。矿石为强硅化贫硫化物金-银矿石。矿体矿石矿物成份简单, 金属矿物含量低, 总量只占2.8%, 金属矿物主要为黄铁矿, 少量的毒砂、闪锌矿、方铅矿等。脉石矿物主要为石英, 少量的长石、高岭土、绿泥石、绢云母等。金矿物主要为银金矿, 以粒间金为主, 裂隙金次之, 包裹金少量, 粒度为中-微细粒为主。     

易门老厂钴土矿处理方法的探讨

一、矿石性质易门老厂钴土矿属风化残留矿床,矿体赋存于白云岩风化层内。矿石中主要脉石矿物为石英及少量白云岩、方解石、云母、粘土等。脉石矿物量75～77%。矿石中金属矿物有针铁矿、赤铁矿、硬锰矿、软锰矿等,金属矿物量约23～25%。据有关研究单位认为,钴的赋存状态,可得出如下结论:(一)钴与90%铁无关,即样品中绝大     

红格钒钛磁铁矿选铁精矿工艺矿物学特征

通过光学显微镜、扫描电镜、X射线衍射仪、X射线荧光光谱分析等手段,对四川攀枝花红格钒钛磁铁矿选矿产品铁精矿的矿物学特征进行了详细研究。结果表明:铁精矿由Fe、Ti、V、Cr、Cu、Ni、Mn、Ca、Mg、Si、Al、S等元素构成;铁精矿的主要金属矿物有钛磁铁矿,以及少量的钛铁矿、磁黄铁矿和脉石矿物;铁精矿主要矿物的矿物学特征与原矿中主要矿物的矿物学特征相似,都是由主客晶矿物组成的复合矿物。铁精矿的粒度细小且形貌随粒度的减小由粒状向片晶状变化。该研究结果为该矿区铁精矿的选冶工艺以及综合利用提供了重要参考依据。     

料洞贫金矿的堆浸处理

矿石类型为破碎带角砾状和细脉浸染状含金黄铁矿石英脉矿石。金属矿物以黄铁矿最多,其次有毒砂、褐铁矿、自然金等。脉石矿物以石英和绿泥石为主。自然金常呈不规则的它形粒状、片状和细脉状散布于压碎石英脉中,最大粒度可达5毫米,一般为0.1毫米以下,其中占总金量的30％～40％以微细     

熔炼次数对M17返回料合金成分、组织和性能的影响

实验结果表明,M17铸造高温合金(%:0.16C、8.79Cr、5.79A1、4.93Ti、3.29Mo、15.20Co、0.78V、0.015B、0.073Zr、0.002S、0.001P、0.001 1O、0.001 0N)经25 kg真空感应炉返回重熔后,Si含量随重熔次数的增加而略有增加,合金中主要元素和其它杂质元素S、P、H的含量变化不大,而氧、氮略有增加;合金中初生碳化物由新合金中的草书体逐渐向返回合金块状转变,初生碳化物的遗传性堵塞合金凝固时的补缩通道,使返回料合金的疏松倾向增大,高温塑性下降较大。     

China's Major Non-ferrous Metals Imports & Exports

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Zinc Production by Province in 2014

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80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness.