摘要
运用生命周期评价的方法,分别对铜炉渣和铜矿石回收铜的选矿过程的环境协调性进行了对比研究,得到了选矿生产过程中各工序的环境负荷数据。评价结果表明,铜炉渣的人类健康损害、生态系统损害和资源损害分别为0.20783、0.00764和0.01919,而铜矿石的分别是0.08165、0.0075和0.08857,铜炉渣生产铜的资源损害比铜矿石低,而人类健康损害和生态系统损害比铜矿石高,铜炉渣选矿生产过程每生产1 kg渣精矿的环境负荷约为铜矿石的1.32倍。随着国内铜精矿供应缺口的增大,从铜炉渣中回收铜资源将显著地提高资源利用率,有利于循环经济的发展。
The life cycle assessment （LCA） has been applied to investigate the environmental impact of concentration process＇of recovering copper from copper-slag and copper-ore individually. Related environmental load data of copper production have been obtained. The result indicates that the damage levels of human health, ecosystem quality and resources are 0. 20783,0. 00764 and 0. 01919 in the copper-slag concentration; and 0. 08165,0. 0075 and 0. 08857 in the copper-ore concentration, respectively. The damage level of resources for copper-slag process is lower than that of copper-ore process; the damage level of human health, ecosystem quali- ty for copper-slag process is higher than that of copper-ore process. Environmental impact of producing 1 kg cop- per-slag concentrate is 1.32 times higher than that of producing 1 kg copper-ore concentrate. With the insuffi- ciency supply of domestic copper concentrate increased, to recover copper from slag will improve the utilization of resource significantly and development of circulation economics.
出处
《环境工程学报》
CAS
CSCD
北大核心
2009年第2期349-353,共5页
Chinese Journal of Environmental Engineering
基金
环境保护部固体废物管理项目(2007)
关键词
铜炉渣
铜矿石
选矿过程
环境影响
生命周期评价
copper-slag
copper-ore
concentration process
environmental impact
life cycle assessment （ LCA ）
