云南某卡林型金矿石堆浸生物氧化半工业试验

云南某金矿矿石,含砷及吸附氰化已溶金碳质物和黏土矿物,金以超显微赋存于其他矿物中,属卡林型金矿石,直接氰化金的浸出率为3．17％-4．7％。采用堆浸生物氧化,经过6个月的预处理后,矿石中金的堆浸氰化浸出率可达65．5％。     

微量铅镉锌的极谱催化波连续测定

铅镉锌在醋酸钠——碘化铵体系中铅镉产生一个对称性好,波峰尖锐的吸附催化波。锌在此体系中也产生一个高灵敏度的阳极导数波,比阴极导数灵敏度提高约14倍。铅浓度9.6×10~(-7)～5.8×10~(-5)摩尔,镉浓度1.8×10~(-6)～1.1×10~(-4)摩尔,锌浓度3.1×10~(-6)～1.8×10~(-4)摩尔波高与浓度呈直线关系。用于环保、食品、土壤及矿物微量铅镉锌的检测。     

燃气式熔炼炉

目前黄金矿山冶炼黄金应用较多的熔炼炉有中频炉、电阻炉、焦碳炉、燃油炉等。本设计采用的加热源为液化石油气 ,它较为适宜个体及中小规模堆浸厂及缺电地区。燃气熔炼炉有 2个系列三个规格 ,即箱式炉系列和转炉系列。箱式炉有 2种规格 ,使用 8#和 10 #坩埚。转炉有一种规格 ,使用10 #坩埚。代号分别为ＪＨ -ＢＦ8、ＪＨ -ＢＦ10、ＪＨ -ＢＦ10Ｃ。燃气熔炼炉参数一览表项目ＪＨ -ＢＦ8ＪＨ -ＢＦ10ＪＨ -ＢＦ10Ｃ 升温时间 (ｈ) <1<1<1使用坩埚 8# 10 # 10 #外形尺寸 (ｍｍ) 6 0 0× 6 0 0× 12 0 0 75 0× 75 0× 12 0 0　　其中带 标志…     

无氰堆浸提金扩大试验成功

无氰堆浸提金扩大试验成功湖北省地质实验研究所低品位金矿无氰堆浸提金扩大试验获得成功。该所采用价格低廉、易于实施的化工产品作为提金浸出剂，在实验室条件下进行搅拌浸出，浸同率在９０％以上。１９９５年该所对湖北省某矿红土型低品位金矿（原矿品位１．６克／吨）...     

太白金矿分级堆浸─全泥氰化新工艺及生产应用

太白金矿分级堆浸─全泥氰化新工艺及生产应用阎应科，崔恩静，张文钲，李新民（西北有色金属研究院）孙连仁，郭文杰，张庆孝（陕西省太白金矿）前言太白金矿是我国大型低品位金矿之一，黄金储量××吨。自１９８６年以来，根据矿石特点，研究提出分级堆浸一全泥化氰化新...     

单扫描示波极谱法测定金

河南师大周漱萍教授等提出:在pH3的KCl-甲酸-甲酸钠溶液中金和茜素紫在-0.79伏有还原峰。峰高与金浓度有线性关系。用0.1mol/L KCl-0.04 mol/l甲酸-甲酸钠,茜素紫为5.0×10~(-6)mol/l的底液时、测定金的范围为1.0×10~(-7)—5×10~(-6)mol/l;茜素紫为2.5×10~(-5)mol/l时、测金范围为2.5×10~(-6)—1.0×10~(-5)mol/l。大量Zn、Mg、Mn~(2+)、Co、Cu、Ni、Al、Ag、Cd不干扰。40倍Te~(4+)、Ge~(4+),20倍In,8倍Pb等也不干扰。大量碱、碱土金属、常见阴离子不干扰。氧化性阴离子NO_2~(-1)、BrO_3~(-1),     

菲律宾吕宋岛红土型镍矿地质特征及勘查开发进展

菲律宾吕宋岛红土型镍矿成矿地质条件优越,该类矿床产于三描礼士超基性岩带顶部红土型风化壳内,矿石多为含镍的褐铁矿化黏土,并普遍伴生钴,其产出规模、分布范围和品位高低与原岩类型、气候变化、地形地貌和构造条件关系密切。成矿物质主要来源于超基性岩体,是镁铁质-超镁铁质岩体风化-淋滤-淀积的产物,矿石的矿物组分与风化土的矿物组分大体一致,属黏土硅酸盐镍矿床。     

活性炭富集化学光谱法测定化探样品中的痕量铂、钯、金

研究了采用活性炭一次性富集铂、钯、金 ,化学光谱法快速测定分析。铂、钯、金检出限分别为 0 .2× 10 - 9,0 .1× 10 - 9,0 .1× 10 - 9。该方法已成功应用于化探样品分析中 ,并得到了令人满意的结果。     

专利技术（十五）

活化氰化物浸金法，含砷硫化铜精矿湿法冶炼新工艺，由电解含银萃取有机相制备高纯银的方法，一种粗金提纯的方法，黏土型金矿堆浸法选矿生产工艺     

地质样品中金的快速测定

制备了双硫腙泡塑 ,研究了双硫腙泡塑富集金的条件和解脱方法。采用液珠萃取比色法进行测定 ,方法的测定范围为 0 0 0 5× 10 - 6 ～xx× 10 - 6 g。经样品验证 ,该方法适用于地质样品中金的快速测定。     

China's Major Non-ferrous Metals Imports & Exports

正~~     

Zinc Production by Province in 2014

正~~     

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.     

Seven Rare Earth Projects Involving Close to 3 Billion Yuan Investment Landed In the HighTech Zone

正On May 22,Baotou Rare Earth Industry Cooperation Consultation MeetingProject Agreement-signing Ceremony was held in Ningbo,nearly 40 enterprises from Ningbo,Guangdong,Hunan,and Shanxi participated in project consultation.After multi-lateral communication,agreements were signed for a total of 7 rare earth projects successfully.