钴湿法冶炼废水水量水质估算方法探讨

在对钴湿法冶炼工艺分析的基础上,总结和探讨了钴湿法冶炼工艺废水来源,并根据产生废水的工序分别介绍了钴湿法冶炼工艺废水产生量的估算方法,以及钴湿法冶炼工艺废水水质的推测方法。此废水水量水质估算方法同样适合于镍湿法冶炼工艺,也可作为铜、锌、稀土金属等湿法冶金工艺废水水量水质的估算参考。     

刚果（金）氧化铜钴矿冶炼工艺综述

对刚果（金）加丹加省几家有代表性的氧化铜钴矿冶炼企业通常采用的火法和湿法工艺进行介绍和评述。其中该国国有企业生产电铜和电钴等最终产品,而该国中资企业一般生产中间产品或半成品。由于该国氧化铜钴矿冶炼化学试剂和原辅材料缺乏,进口相关试剂、材料提高了企业生产成本。     

探讨锌湿法冶炼中高钴矿的处理

在锌湿法冶炼过程中,容易受到钴的影响,需要优化钴处理工艺,改善高钴锌精矿的冶炼效果。文章首先对锌湿法冶炼工艺流程进行简单介绍,分析锌湿法冶炼中的高钴矿影响,在此基础上提出几点工艺优化措施,以期提升高钴矿处理效率,确保锌湿法冶炼的顺利进行。     

刚果(金)某铜钴湿法冶炼改扩建工程总图设计实践和分析

以刚果(金)某铜钴湿法冶炼改扩建工程总图设计的实践为例,阐述了改扩建设施与厂区现有区域之间的内在联系。结合铜钴湿法冶炼厂的特点和场地地形因地制宜进行总图设计,分析总结了该类铜钴湿法冶炼改扩建工程总平面布置和竖向设计的要点。     

提高刚果(金)某铜钴矿湿法冶炼回收率的措施

本文介绍了刚果(金)某铜钴矿采用湿法冶炼回收铜、钴的工艺流程,分析了生产流程中铜、钴损失的去向和影响铜、钴回收率的因素,讨论了提高回收率措施,对同类型企业具有借鉴意义。     

长寿命免维修电解槽通过鉴定给有色重金属湿法冶炼带来福音

2011年12月11日,我国自主研发的镍金属湿法冶炼用乙烯基树脂混凝土整体电解槽在甘肃兰州通过鉴定,有色金属行业十多位专家对该产品进行了鉴定,并给予了较高评价。该产品以其20年槽寿命、免维修、节能环保等突出特点,在冶炼企业设备升级换代、清洁生产要求日益提高,节能减排压力较重的情况下,突破了国外技术封锁,它恰逢其时地推出,给我国有色金属工业重金属湿法冶炼企业带来了福音。     

浅析中国钴业的政策需求

中国钴供应结构正在发生变化,需要加工贸易政策激励扶持。湿法冶炼中间品和铜钴合金取代钴精矿进口是个大趋势。笔者建议,对利用国外钻资源加工而成的钴高科技材料应在出口退税或其它政策上给以优惠,以支持钻生产企业产品升级换代。     

锌湿法净化系统钴的积累及钴平衡控制研究

本文分析了锌湿法冶炼锑盐净化工艺中钴积累的原因,以及钴积累对净化效果的影响,提出解决钴积累及保持系统钴平衡的方法。     

高砷钴矿提钴过程中砷的分布与回收

赣州钴冶炼厂高砷钴矿提钴采用了火法—湿法联合处理流程。文章在介绍钴冶炼工艺流程基础上,给出了砷在各工序的走向与分布,以及处理这些含砷烟气和废渣的具体措施。     

铜钴矿研究进展及发展趋势

介绍了铜钴矿的成分组成和矿物特征;总结了铜钴矿在选矿、火法冶炼、湿法浸出、萃取、电积方面的研究现状,分析了其机理和特点;探讨了以选冶结合方式开发利用铜钴矿技术的发展趋势。     

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.