摘要
黄金湿法冶炼产生的含氰废水成分复杂、含盐量高、污染物浓度高,因而处理难度大。综述了现有含氰废水的处理方法,根据生产实践中是否回收氰,分为氰化物的破坏与分离回收两类,并对比了不同方法的优缺点及应用现状。介绍了含氰废水处理的新工艺,主要包括多种方法的联合工艺及高效节能的新技术。针对含氰废水回用"零排放"的问题,简述了多工艺联合处理废水脱盐的方法进展。
The cyanide-contained wastewater is difficult to be treated because of the characteristics of complex component, high salt content and high concentration of pollutants in gold hydrometallurgy. This study developed a literature review about the method for cyanide-containing wastewater treatment, analyzing on benefits, critical and challenges factors. Cyanide can be destroyed or recovered by different processes. This paper discusses the emerging methods for removing cyanide, particularly the application of combined process and new efficient methods. The progress of multi-process treatment of cyanide-contained wastewater desalination and zero discharge was summarized.
作者
张曼曼
冯占立
王军强
王永春
石绍渊
孙峙
曹宏斌
Zhang Manman;Feng Zhanli;Wang Junqiang;Wang Yongchun;Shi Shaoyuan;Sun Zhi;Cao Hongbin(Zhengzhou Institute of Emerging Industrial Technology,Zhengzhou 450000,China;Angang Group Engineering Technology Co.Ltd.,Liaoning Anshan 114021,China;Lingbao Gold Group Company Limited,Henan Lingbao 472500,China;Beijing Engineering Research Center of Process Pollution Control,Institute of Process Engineering,Chinese Academy of Sciences,Beijing 100190,China)
出处
《化学工业与工程》
CAS
CSCD
2019年第1期2-9,共8页
Chemical Industry and Engineering
基金
国家自然科学基金(51878645)
国家重点研发计划(2017YFB0403305)
河南省科技开放课题(172106000076)
"十二五"水体污染控制与治理科技重大专项基金(2014ZX07201-011)
关键词
湿法冶金
含氰废水
处理工艺
新进展
gold hydrometallurgy
cyanide waste
treatment process
new progress
