海绵铜

研究结果表明，水合肼还原法回收海绵铜，在pH值为60，反应温度40℃，水合肼的投加浓度为3%时，铜的回收率达到了98%以上。

The experimental results showed the recovery rate of copper sponge can reach 98 % when pH is 6.0 , reaction temperature is 40 ℃ and the dosage of hydrazine hydrate is 3 % .

用海绵铜为原料生产试剂纯硫酸铜

Investigation of the Production Technology of Copper Sulfate Reagents from Sponge Copper

尾矿搅拌浸出1530min，铜浸出率达73.83%，海绵铜品位为60%81%。

The tailings were stirred leached for 15-30 min , and Cu recovery was 73.83 % . The Cu grade in sponge capper was 60 % - 81 % .

祁连铜矿氧化矿制海绵铜试验研究

The testing research on manufacturing sponge copper with copper oxide ores of Qilian

用铁屑置换浸出液中铜的效果很好，能制得较高质量的海绵铜。

The copper in leaching solution can be effectively replaced by iron shaving .

浸出液用铁屑置换，生产海绵铜。

The Cu in the leach liquor was displaced by iron scrap and sponge copper was obtained .

根据宁夏某氧化铜矿物性质，提出了稀硫酸柱浸&置换生产海绵铜工艺流程。

The Process of " column leaching by diluted sulphuric acid - replacement " was put forward according to the ores ' properties .

介绍应用高质量浓度含铜废液制取工业硫酸铜与海绵铜的工艺方法和流程。

Technological methods and processes for the preparation of commercial copper sulfate and sponge copper with the high concentration copper waste solution are introduced .

金川公司海绵铜是镍电解过程中的净化渣，由于含有一定数量的铜、镍硫化物，用常规的方法不易经济处理。

The sponge copper is a kind of purring scraps which is produced in the nickel electrolyzing in Jinchuan Non-ferrous Metal Company ( JNMC ) .

浸碲渣用氯盐浸出铜铋，中和水解回收氯氧铋，置换回收海绵铜；

Leaching reside is leached with chloride to produce copper and bismuth , bismuth oxychloride is recovered through neutralization and hydrolysis and sponge copper is recovered through cementation ;

与传统方法相比，该法具有原料价格便宜、反应速度快、操作简单、能耗低、海绵铜可循环使用、铜的利用率高、经济效益和社会效益显著等优点。

Compared with traditional ones , this method has advantages of easier operation , lower energy consumption , better recycling utilization of spongy copper , higher conversion rate of copper and remarkable economic and social benefits .

氧化锰矿和硫化铜矿酸浸生产海绵铜与化学二氧化锰的研究金川公司海绵铜是镍电解过程中的净化渣，由于含有一定数量的铜、镍硫化物，用常规的方法不易经济处理。

Preparation of Sponge Copper and Chemical Manganese Dioxide by Acid Leach of Manganese Oxide Ore and Copper Sulphide Ore The sponge copper is a kind of purring scraps which is produced in the nickel electrolyzing in Jinchuan Non-ferrous Metal Company ( JNMC ) .

该新工艺用中和水解法净化废铜电解液，同时兼顾海绵铜的综合利用，效果显著，砷、锑、铋脱除率均达到95%～100%。

This novel process shows distinctive results by adopting the neutralization and hydrolyzation process to purify copper spent-electrolyte and taking into consideration of comprehensive utilization of spongy copper . The rates of de-arsenic , de-antimony and de-bismuth are all around 95 % to 100 % .

利用氧化铜矿石经破碎分级酸浸铁置换海绵铜焙烧生产出了氧化铜粉，铜浸出率88.75%，总直收率75.01%。

Copper oxide powder can be produced out from copper oxidized ores by a process of crushing-classification-acid leaching-substitution by Fe-sponge copper roasting , copper leaching rate in this process is 88.75 % and total recovery is 75.01 % . The process has marked economic profits .

由海绵铜制备硫酸铜的研究

Preparation of cupric sulfate from spongy Copper

铜镉渣酸浸液经铁粉、镉粉、新制的海绵镉置换得到了高纯度的海绵铜；

Through the displacement of iron flour , cadmium flour or just prepared sponge cadmium to the acid drenched solution of copper and cadmium sediment , high purity sponge copper is obtained ;