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基于总物流分析的我国钢铁工业生态效率分析

岳 强 王鹤鸣 陆钟武

岳 强, 王鹤鸣, 陆钟武. 基于总物流分析的我国钢铁工业生态效率分析[J]. 环境科学研究, 2014, 27(8): 915-921.
引用本文: 岳 强, 王鹤鸣, 陆钟武. 基于总物流分析的我国钢铁工业生态效率分析[J]. 环境科学研究, 2014, 27(8): 915-921.
YUE Qiang, WANG He-ming, LU Zhong-wu. Ecological Efficiency of Iron and Steel Industry in China Based on Bulk Material Flow Analysis[J]. Research of Environmental Sciences, 2014, 27(8): 915-921.
Citation: YUE Qiang, WANG He-ming, LU Zhong-wu. Ecological Efficiency of Iron and Steel Industry in China Based on Bulk Material Flow Analysis[J]. Research of Environmental Sciences, 2014, 27(8): 915-921.

基于总物流分析的我国钢铁工业生态效率分析

基金项目: 国家自然科学基金项目(71373003);中央高校基本科研业务费专项(N110402003);辽宁省科技攻关项目(2012201011)

Ecological Efficiency of Iron and Steel Industry in China Based on Bulk Material Flow Analysis

  • 摘要: 近年来我国钢铁产量快速增长且钢铁工业规模庞大,因此有必要对我国钢铁工业的生态效率进行研究. 采用总物流分析方法对我国钢铁系统的总物流进行分析,得到了钢铁系统的总物流分析指标;对1995—2011年我国钢铁工业的生态效率(包括资源效率、能源效率、脱钩指数等)进行了分析. 结果表明:2004年资源效率(粗钢产量与铁矿原矿消耗的比值)和资源经济效率(钢铁工业增加值与铁矿原矿消耗的比值)均达到最大值,二者分别为0.54 t/t和827.66元/t;2011年能源效率(粗钢产量与钢铁工业能耗的比值)和能源经济效率(钢铁工业增加值与钢铁工业能耗的比值)均达到最大值,分别为1.53 t/t和2 976.65元/t. 基于我国钢铁系统的总物流分析结果进行了脱钩指标分析,结果显示,DDEU(国内开采量的脱钩指数)为0.189,大于DMI(直接物质投入量)、TMR(总物质需求)及DPO(国内排放量)的脱钩指数(分别为0.115、0.084和0.061),即国内开采量的脱钩情况在该阶段达到最佳,这与我国铁矿石产量不足、钢铁生产更多依赖于进口资源密切相关. 最后提出了提高矿产资源综合利用率和重视废钢资源回收利用等相应的对策建议.

     

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出版历程
  • 收稿日期:  2013-09-08
  • 修回日期:  2014-03-07
  • 刊出日期:  2014-08-25

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