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Cost-benefit Analysis on Sewage System Transformation Project of Iron and Steel Enterprises
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Shuang Li1, Hao Bai2, Yong Zhang3
Rare Earth Steel | 2019, 45(5) : 75 - 78
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Rare Earth Steel | 2019, 45(5): 75-78
• Circular Economy •
Cost-benefit Analysis on Sewage System Transformation Project of Iron and Steel Enterprises
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Shuang Li1, Hao Bai2, Yong Zhang3
Affiliations
  • 1.Baotou Railway Vocational and Technical College, Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Rare Earth Steel Iron-making Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 3.School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China
Published: 2019-10-25 doi: 10.13647/j.cnki.btgkj.2019.05.021
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The sewage transformation project is a water-saving transformation project for subsidiary of a northern iron and steel enterprise, which is a practical project that could improve efficiency and seek development for iron and steel enterprises as well as it is with the significant economic, social and environmental benefits of water saving. In the paper, the economic benefits of water saving are evaluated with benefit-cost analysis on the basis of calculating the amount of saving water and water discharge; the environmental benefits are evaluated combining the quantitative method and qualitative method; the social benefits are assessed with the qualitative analysis. Finally, the conventional methods suitable for iron and steel enterprises to evaluate water saving projects are summarized.

iron and steel enterprises  /  cost-benefit analysis  /  water-saving transformation
李爽, 白昊, 张勇. 钢铁企业供污水系统改造项目的费用效益分析. 包钢科技, 2019 , 45 (5) : 75 -78 . DOI: 10.13647/j.cnki.btgkj.2019.05.021
Shuang Li, Hao Bai, Yong Zhang. Cost-benefit Analysis on Sewage System Transformation Project of Iron and Steel Enterprises[J]. Science & Technology of Baotou Steel, 2019 , 45 (5) : 75 -78 . DOI: 10.13647/j.cnki.btgkj.2019.05.021
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Year 2019 volume 45 Issue 5
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Article Info
doi: 10.13647/j.cnki.btgkj.2019.05.021
  • Receive Date：2019-07-22
  • Online Date：2026-10-20
  • Published：2019-10-25
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History
  • Received：2019-07-22
Affiliations
    1.Baotou Railway Vocational and Technical College, Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Rare Earth Steel Iron-making Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    3.School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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