scrap copper plays an important role in copper resources and is widely distributed; compared with traditional copper ore, scrap copper smelting consumes less energy but is much more complicated.

1、

the experiment of copper powder producing from copper scrap by electrolysis at the low temperature about 30 ℃ and the low current density about 600~ 1200 a/ m 2 is presented.

本文介绍了在30℃较低温度和600～1200A/m2的较低电流密度下，用杂铜电解生产铜粉的试验过程。

互联网摘选

2、

it is necessary to recover and use the copper slag resulted from scrap copper regeneration because of the higher copper content in slag.

运用废铜熔炼再生产出的钢炉渣，渣中含铜量高，很有必要回收和利用。

互联网摘选

3、

the production of copper powder from copper scrap by electrolysis can be operated at the temperature about 20 ℃~ 60 ℃.

用杂铜电解生产铜粉时，电解液的温度一般可控制在20～60℃。

互联网摘选

4、

experiment of producing copper sulphate from copper scrap

催化氧化&硫酸溶解废杂铜生产硫酸铜试验研究

互联网摘选

5、

new installation of copper removal from solid scrap

固体废钢脱铜新装置

互联网摘选

6、

removing copper from ferrous scrap

去除废钢中的铜

互联网摘选

7、

we want to buy ferroalloy and products, coal, new materials, metals, copper products, scrap.

我们要采购铁合金及产品，煤炭，新材料，金属，铜产品，废料。

互联网摘选

8、

scrap resource and copper removal from scrap

废钢资源及废钢中铜的去除

互联网摘选

9、

tentative study on production process of making copper rod from scrap copper in the scr copper bar production line

SCR铜杆生产线用杂铜生产铜杆的工艺初探

互联网摘选

10、

removal of copper from steel scrap

废钢中铜的去除方法

互联网摘选

11、

technology of copper removal from scrap

废钢脱铜技术

互联网摘选

12、

this paper introduces the method of recovery of sb, cu, pb and zn from copper scrap smelting system's waste slag, and has the analysis and discussion on smelting and separating of sn cu pb fe multi component alloy using electric furnace.

介绍了从杂铜冶炼废渣中回收锡、铜、铅、锌的方法，并对电炉冶炼锡、铜、铅、铁多元合金及多元合金的分离进行了分析和讨论。

互联网摘选

13、

kaldo technology for copper scrap treatment

卡尔多炉处理废杂铜技术

互联网摘选

14、

practice on recovery of sn, cu, pb and zn from the slag of copper scrap smelting system

从杂铜冶炼废渣中回收锡铜铅锌的工业实践

互联网摘选

15、

at present, many private enterprises in china want to construct copper scrap recycling smelter.

目前，中国许多民营企业准备兴建废旧铜回收冶炼厂。

互联网摘选

16、

this article may be a reference for copper scrap recycling in our country.

希望能够对我国废杂铜回收利用提供借鉴。

互联网摘选

17、

present situation of copper scrap recycling in our country and the countermeasure

我国废杂铜的回收利用现状与对策

互联网摘选

18、

research on improving nickel recovery rate in copper scrap

提高杂铜中镍回收比率的研究

互联网摘选

19、

besides these, the values of copper resource efficiency, copper ore index and copper scrap index were calculated.

分析了不同物流参数条件下，这些指标的变化曲线。计算了我国2005-2020年间铜资源效率、矿石指数和废铜指数的可能变化区间。

互联网摘选

20、

copper scrap accounted for about 14 per cent of total copper supplies last year, up from less than 12 per cent in 2003.

去年废铜约占铜供应总量的14%，高于2003年不到12%的水平。

互联网摘选