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Applied energy v.189, 2017년, pp.233 - 244   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Greening cement in China: A cost-effective roadmap

Liu, Xuewei (State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China ); Yuan, Zengwei ( State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China ); Xu, Yuan ( Department of Geography and Resource Management & Institute of Environment, Energy and Sustainability, The Chinese University of Hong Kong, Hong Kong, China ); Jiang, Songyan ( State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China );
  • 초록  

    Abstract Cement is a critical material for urbanization, but its energy-intensive production creates serious potential environmental impacts. As further air pollutant mitigation become more expensive and difficult, ‘co-control’ measure by new energy-efficient technologies is proposed to bring co-benefits. In this study we conducted a cost-effectiveness analysis to evaluate available new technologies in Chinese cement industry. The analysis verified the findings of recent studies that many technologies have huge co-control potential, but we also found the heterogeneity and conflict in different parameters of certain technologies that has not declared by existing studies. The finding indicates the necessity to design the technology promotion roadmap. We obtained a technology promotion roadmap by establishing a multi-objective optimization model and it proves to be the best solution for achieving energy saving, PM 2.5 , SO 2 and CO 2 abatement compared to single-objective optimization models. Furthermore, pollutant emissions and energy consumption of the cement industry under four control scenarios are projected for 2010–2030. Under integrated measure scenario combining technology promotion and product structure adjustment, energy consumption will drop back to 2006–2007 level by 2030. The major air pollutant emissions will be ∼44% lower than business-as-usual scenario and the CO 2 emission will be reduced by ∼15%. The annual monetary benefit of technology promotion is estimated to be 396.5 billion RMB Yuan in 2030. The findings verify the co-control strategy and update our understanding of new technologies implementation. The technology promotion roadmap and scenario analysis results are supportable for future policy-making of cement industry. Highlights A technology promotion roadmap is made using multi-objective optimization. In 2030 energy consumption will drop back to ∼2006 level with integrated measure. Major air pollutants and CO 2 emission will be 44% and 15% lower than BAU scenario. Annual benefit of technology promotion would reach 396.5 billion RMB Yuan in 2030. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    Cement .   Air pollution .   Energy conservation .   Cost-effectiveness analysis .   Technology promotion .   Multi-objective optimization.  

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