湘江重金属污染现状、污染原因分析与对策探讨

湘江是长江的重要支流,湘江流域内聚集了湖南约60%的人口,创造了全省近3/4的GDP。近年来随着工农业的快速发展、城市圈的扩大、沿江两岸矿产资源的开发,湘江重金属污染日趋严重。湘江综合治理不仅关系到湖南经济的发展、社会的和谐,还关系到长江流域的可持续发展。本文在对湘江水资源作基本介绍的基础上,着重调查了重金属污染现状与己形成的影响,对重金属污染来源与原因进行了分析,提出了湘江重金属污染防治的对策与建议。

Analysis on Heavy Metals Pollution Status and Reasons in Xiangjiang River and Discussion on Its Countermeasures

Xiangjiang River is one of the most important branches of Yangtze River in China.About 60 percent population of Hunan province lives in Xiangjiang valley and 75 percent GDP of Hunan province is produced here.With rapid development of industry and agriculture,fast enlargement of the city-circle and excessive exploitation of mine resources,the pollution of Xiangjiang river caused by heavy metals is getting more and more serious.Comprehensive treatment of Xiangjiang River counts much not only for Hunan economic development and social harmony but also for sustainable development of Yangtze River drainage area.In this paper,based on the rudimental description of water environment of Xiangjiang River,the status quo and impacts of heavy metal pollution on this region were investigated.The source and causation of heavy metals pollution were discussed,and some suggested countermeasures were also provided.