Behavior, distribution and environmental influence of arsenic in a typical lead smelter

被引：22
作者：
Chai Li-yuan [1 ,2 ]
Shi Mei-qing [1 ]
Liang Yan-jie [1 ]
Tang Jing-wen [1 ]
Li Qing-zhu [1 ,2 ]
机构：
[1] Cent S Univ, Sch Met & Environm, Changsha 410083, Hunan, Peoples R China
[2] Cent S Univ, Chinese Natl Engn Res Ctr Control & Treatment Hea, Changsha 410083, Hunan, Peoples R China
来源：
JOURNAL OF CENTRAL SOUTH UNIVERSITY | 2015年 / 22卷 / 04期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
arsenic; behavior; distribution; environmental influence; SKS lead smelter; SEQUENTIAL EXTRACTION; RISK-ASSESSMENT; HEAVY-METALS; POLLUTION; SEDIMENTS; TOXICITY; PROGRESS;
D O I：
10.1007/s11771-015-2644-1
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A field study was conducted to determine the behavior and distribution of arsenic during the pyrometallurgy process in a typical SKS (Shuikoushan) lead smelter in Hunan province, China. Environmental influences of arsenic in selected samples were evaluated. Arsenic contents in all input and output samples vary from 0.11% in raw lead to 6.66% in collected dust-2. More arsenic is volatilized in blast furnace and fuming furnace (73.02% of arsenic input) than bottom blowing furnace (10.29% of arsenic input). There are 78.97%, 13.69%, 7.31% of total arsenic distributed in intermediate materials, stockpiled materials and unorganized emissions, respectively. Matte slag-2, collected dust-1 and secondary zinc oxide are hazardous based on the arsenic concentrations of toxicity characteristic leaching procedure. According to risk assessment code (RAC) guideline, arsenic in collected dust-1 poses a very serious risk to the surrounding environment, arsenic in speiss, matte slag-2, water-quenched slag and secondary zinc oxide show low risk, while arsenic in matte slag-1, collected dust-2 and post dust has no risk to the environment.
引用
收藏
页码：1276 / 1286
页数：11
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