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Environmental Radioactivity Problem Arising from Rare Earth Production and Proposed Prevention Measures
Author(s): 
Pages: 40-42
Year: Issue:  3
Journal: RADIATION PROTECTION BULLETIN

Keyword:  稀土生产放射性防治措施;
Abstract: 包头市白云鄂博矿含有的稀土资源居世界首位,白云矿还伴有钍0.04%、铀0.001%,在开发利用稀土资源过程中放射性物质钍随工业"三废"进入环境,成为包头市突出的特异性环境问题.本文给出了1996~1998年3年调研结果,查清了产生放射性废渣的稀土酸法、碱法生产中放射性钍元素的投入、迁移转化系数及放射性废物产生量;含放射性钍的废水对四道沙河流域及黄河、地下水、饮用水源污染,稀土工业区局部大气、土壤环境受到放射性污染.从回收钍资源提出根治污染的治理措施和防治污染的管理措施.
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