铁矿尾矿资源调查及评价
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摘要
经测算,截止2007年底全国铁矿尾矿排放总量大致为50亿t,平均铁品位至少在10.35%以上。在不需要大量投资情况下,700元/t的铁精矿价格将是大部分铁矿尾矿回收再选的经济底线;若考虑新建尾矿库(坝)所需的系列费用,预计铁精矿价格在1000元/t之上将是铁矿尾矿回收再选的必要条件。从目前情况来看,单一回收尾矿中的铁元素是没有经济意义的,只有在铁精矿价格超1000元/t之时,铁矿尾矿资源回收再选才具有获取经济利益的可能性。
The estimated total discharge of iron tailings in China reached about 5 billion tons by the end of the 2007,and the average iron content of the tailings at least was above 10.35%.Under no need of heavy capital investment,700 yuan/t is the bottom price of iron concentrate that the most of iron tailings can be reprocessed to recover iron.If the expenses for new tailings reservoir(dam) are considered,the necessary condition of reprocessing iron tailings is that the price of iron concentrate is above 1000 yuan/t.From current situations,it has no economic significance only to recover iron from iron tailings.Only while the price of iron concentrate is above 1000 yuan/t,the reprocessing of iron tailings can achieve economic benefit.
The estimated total discharge of iron tailings in China reached about 5 billion tons by the end of the 2007,and the average iron content of the tailings at least was above 10.35%.Under no need of heavy capital investment,700 yuan/t is the bottom price of iron concentrate that the most of iron tailings can be reprocessed to recover iron.If the expenses for new tailings reservoir(dam) are considered,the necessary condition of reprocessing iron tailings is that the price of iron concentrate is above 1000 yuan/t.From current situations,it has no economic significance only to recover iron from iron tailings.Only while the price of iron concentrate is above 1000 yuan/t,the reprocessing of iron tailings can achieve economic benefit.
引文
[1]张应红,齐亚彬.矿床技术经济评价方法与参数[M].北京:地震出版社,1991.
[2]齐亚彬,范宴良.矿床技术经济评价案例[M].北京:地震出版社,1992.
[3]北京经纬资产评估有限责任公司.矿业权评估[M].北京:中国大地出版社,2007.
[4]任启明.经济品位计算及其分析[J].湖南有色金属,1987(1):23~27.
[5]陈甲斌,贾文龙.低品位铁矿资源开发经济分析模型与应用研究[J].地质学刊,2008(4):324~331.
[6]陈甲斌,贾文龙,范继涛.铁尾矿利用经济分析模型与应用[J].资源科学,2009(1):152~156.
[2]齐亚彬,范宴良.矿床技术经济评价案例[M].北京:地震出版社,1992.
[3]北京经纬资产评估有限责任公司.矿业权评估[M].北京:中国大地出版社,2007.
[4]任启明.经济品位计算及其分析[J].湖南有色金属,1987(1):23~27.
[5]陈甲斌,贾文龙.低品位铁矿资源开发经济分析模型与应用研究[J].地质学刊,2008(4):324~331.
[6]陈甲斌,贾文龙,范继涛.铁尾矿利用经济分析模型与应用[J].资源科学,2009(1):152~156.
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