|本期目录/Table of Contents|

[1]梅明,廖金阳*.酸性条件对湖北某银矿固体废物重金属浸出特性[J].武汉工程大学学报,2014,(09):29-32.[doi:103969/jissn16742869201409006]
　MEI Ming,LIAO Jin yang.Heavy metal dissolution characteristics in solid waste of silver mine in Hubei province[J].Journal of Wuhan Institute of Technology,2014,(09):29-32.[doi:103969/jissn16742869201409006]
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酸性条件对湖北某银矿固体废物重金属浸出特性(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年09期
页码:
29-32
栏目:
资源与土木工程
出版日期:
2014-09-30

文章信息/Info

Title:
Heavy metal dissolution characteristics in solid waste of silver mine in Hubei province
文章编号:
16742869(2014)09002904
作者:
梅明; 廖金阳*
武汉工程大学化学与环境工程学院，湖北 武汉 430074
Author(s):
MEI Ming; LIAO Jinyang
College of Chemistry and Environmental Engineering, Wuhan Institute of Technology,Wuhan 430074, China
关键词:
固体废物; 重金属; 浸出
Keywords:
solid waste;  heavy metals;  leaching
分类号:
X753
DOI:
103969/jissn16742869201409006
文献标志码:
A
摘要:
为了解矿业活动中的固体废物在酸性条件下重金属浸出浓度对环境的影响，采用硫酸硝酸-浸出毒性实验方法，研究了湖北某银矿3种不同的固体废物废石、尾矿、氰化残渣在不同pH条件下的重金属浸出浓度及浸出率的变化.结果表明锌、铅、镉在pH=2的条件下浸出浓度最高，采矿废石中的铜在pH=2的条件下浸出浓度最高，而浮选尾矿和氰化废渣中的铜在pH=3的条件下浸出浓度最高.铜、锌、铅、镉在pH=2的环境中浸出率较高.不同样品中，重金属的浸出浓度与重金属所对应的浸出率不一定成正比关系.矿山固体废弃物释放的重金属元素会对生态环境造成影响，需要加强监测与管理.
Abstract:
To investigate the impact of leaching concentration of heavy metals in soild waste on environment in the acidic condition,variations of leaching concentration and leaching rate of heavy metals from barren rock,tailings and cyanide residue in a silver mine of Hubei were studied under different pH values by sulfuric acid nitric acidleading toxicity experiment.The results show that the leaching concentrations of zinc, lead and cadmium are highest at pH=2;the leaching concentration of copper in barren rock is the highest at pH=2,and it is highest at pH=3 in tailings and cyanide residue;leaching rates of heavy metals of copper,zinc,lead and cadmium are higher at pH=2.Leaching concentration and leaching rate of heavy metals are not proportional in different samples.The release of heavy metals of mine soild wastes has a impact on the surrounding ecological environment,which needs more monitoring and management.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20140624作者简介：梅明（1965），男，湖北浠水人，副教授，硕士研究生导师.研究方向：水污染控制工程.* 通信联系人
更新日期/Last Update: 2014-10-09