化工进展Issue(4)：1133-1138,6.DOI:10.16085/j.issn.1000-6613.2015.04.040
镍火法冶炼废渣中钴、镍回收的研究进展
Progress on recovery of cobalt and nickel from waste slag of the nickel pyrometallurgy
摘要
Abstract
The comprehensive methods of recycling valuable metal resources such as cobalt and nickel from waste slag produced in the nickel smelter were reviewed. Mineralogical characteristics of typical waste slag and research status on the reclamation of valuable metals,cobalt and nickel in particular from the slag were introduced. Advantages and limitations of the main methods were analyzed and discussed. Furthermore,the research direction and trend were predicted. And it was pointed out that although the purpose of enriching cobalt and nickel can be realized economically by ore dressing method,the drawback of narrow raw material application scope is obvious. The defects of gaseous pollutant emission and high energy consumption exist in pyrometallurgical process. While the reaction velocity of bioleaching process is low, the characteristics of simple process,low investment and etc, can make it a promising research direction full of development prospect. High pressure oxidative acid leaching(HPOAL) is considered to be environmentally friendly and suitable for extracting cobalt and nickel from the slag because of high recovery of nickel and cobalt without hazardous materials being produced in the process. The slag is treated by HPOAL after slow-cooling,roasting and or reduction pretreatment,and alternative materials of sulfuric acid like pyrrhotite tailing containing certain quantity of nickel and other metals as leaching agents during this process. This can be the developing trend of HPOAL.关键词
浸出/废物处理/回收/冶炼废渣/处理方法Key words
leaching/waste treatment/recovery/smelting waste slag/processing method分类
化学化工引用本文复制引用
黄斐荣,廖亚龙,周娟,李冰洁..镍火法冶炼废渣中钴、镍回收的研究进展[J].化工进展,2015,(4):1133-1138,6.基金项目
国家自然科学基金（21266011）及校企预研基金（4201252011）。 （）
