镇源金精矿氧化焙烧—氰化浸出工艺研究

按氧化焙烧－氰化浸出方案对镇源含砷高硫金精矿的提金工艺进行了试验研究，取得了令人满意的结果：金精矿在模拟工业窑制作制度下氧化焙烧，所或焙砂之硫、砷脱除率及综合氧化率分别达９５％、９２％和９５％以上，焙砂经细磨－碱洗后氰化，金浸出率超过９１％。     

镇源金精矿氧化焙烧氰化浸出工艺研究

按氧化焙烧氰化浸出方案对镇源含砷高硫金精矿的提金工艺进行了试验研究，取得了令人满意的结果：金精矿在模拟工业窑炉操作制度下氧化焙烧，所或焙砂之硫、砷脱除率及综合氧化率分别达９５％、９２％和９５％以上。焙砂经细磨碱洗后氰化，金浸出率超过９１％。     

某矿黑钨与白钨分离试验研究

针对黑钨与白钨共生矿床选厂黑钨、白钨互含影响彼此精矿质量的问题，进行黑钨与白钨分离研究。通过纯矿物研究试验，论证了先磁选黑钨后浮选白钨的方案为目前较佳分离工艺。对某钨矿堆存的黑钨与白钨混合精矿进行的试验研究表明：先磁后浮方案优于其它方案，可得到特级黑钨、白钨精矿。当原矿品位含WO367.02％（黑钨8．47％，白钨58．55％）时，回收率为96.34％。     

含砷高硫金精矿焙烧—氰化工艺研究

按焙烧—氰化方案对某含砷高硫金精矿的提金工艺进行了试验研究, 结果表明, 金精矿在模拟工业窑炉操作制度下焙烧氧化, 硫、砷脱除率和综合氧化率分别达９５％ 、９２％ 和９５％以上, 焙砂经细磨—碱洗后氰化, 金的浸出率超过９１％ 。     

柿竹园多金属矿浮选硫试验研究

柿竹园多金属矿原矿中硫含量在1％左右,目前采用磁选选铁—浮硫—浮钨—浮萤石工艺,硫化矿全浮段没浮起的硫在目前的浮钨工艺中会在得到的黑白钨混合精矿中大量富集,含量有时可高达6％,影响黑白钨混合精矿质量.为把柿竹园黑白钨混合精矿中硫含量控制在2.5％以下提高产品质量,进行了硫化矿全浮段工艺优化试验.通过试验可知最佳粗选条件...     

锡精矿回转窑焙烧脱除砷硫半工业性试验

本文全面地论述了锡精矿回转窑氧化还原焙烧除砷，硫半工业性试验，介绍了该法脱除砷，硫的工业应用前景以及各项技术经济指标。     

应用埃罗索-22浮选分离黑钨矿与锡石

几年来我矿进行了黑钨和锡石的浮选分离试验和生产。其实质是在草酸介质中添加混合甲苯胂酸浮选锡石。该法在生产中可获得优质锡精矿。但槽内产品(钨精矿)含锡还高,尚需进行磁选或氯化焙烧。考虑到抑钨浮锡方法或磁选法的不足(细粒高锡钨产品的磁选),因此进行了抑锡浮钨的试验工     

锡精矿氧化还原焙脱除砷硫半工业性试验

本文全面地论述了锡精矿回转窑氧化还原焙烧脱除砷、硫半工业性试验及其理论基础，介绍了该法脱除砷、硫的工业应用前景及各项技术经济指标。     

高硫含砷金精矿加碱焙烧－氰化浸出工艺的研究

本文对某高硫含砷金精矿进行了加碱焙烧－氰化浸出工艺的试验研究，取得了满意的结果。硫、砷固定率分别大于９３％和９６％，金氰化浸出率大于９５％。与传统氧化焙烧－氰化浸出工艺相比，金浸出率基本相同。该工艺环境污染小，设备简单，投资小，易操作，具有发展前景。     

高硫含砷金精矿加碱焙烧—氰化浸出工艺的研究

本文对某高硫含砷金精矿进行了加碱焙烧－氰化浸出工艺的试验研究，取得了满意的结果。硫、砷固定率分别大于９３％和９６％，金氰化浸出率大于９５％。与传统氧化焙烧－氰化浸出工艺相比，金浸出率基本相同。该工艺环境污染小，设备简单，投资小，易操作，具有发展。     

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.