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Cutting air Pollution by Improving Energy Efficiency of China's Cement Industry

机译:提高中国水泥工业能源效率减少空气污染

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摘要

In this study, the energy conservation supply curves (ECSC) combined with the GAINS (Greenhouse Gas and Air Pollution Interactions and Synergies) was used to estimate the co-benefits of energy savings on CO2 and air pollutants emission for implementation co-control options of energy efficiency measures and end-of-pipe options in the China's cement industry for the period 2011-2030. Results show the cost-effective energy saving potential (EEP1 scenario) and its costs is estimated to be 3.0 EJ and 4.1 Billion in 2030. The technical energy savings potential (EEP2 scenario) and its costs amounts to 4.2 EJ and 8.4 Billion at the same time. Energy efficiency measures can help decrease 5-8% of CO2, 3-5% of PM, 15-25% of SO2, and 12-20% of NOx emissions by 2030. Overall, the average marginal costs of energy efficiency measures will decrease by 20%, from 1.48 /GJ to 1.19 /GJ, when taking into account avoided investments in air pollution control measures. Therefore, implementation of energy efficiency measures is more cost-effective than a solely end-of-pipe based policy in China's cement industry. The plant managers and end users can consider using energy efficiency measures to reach new air pollutants emission standards in China's cement industry.
机译:在这项研究中,节能供应曲线(ECSC)与GAINS(温室气体与空气污染的相互作用和协同作用)相结合,用于估算节能措施在CO2和空气污染物排放方面的共同效益,用于实施以下项目的共同控制方案: 2011-2030年中国水泥行业的能效措施和管道末端选项。结果显示,到2030年,具有成本效益的节能潜力(EEP1情景)及其成本估计为3.0 EJ和41亿。同时,技术节能潜力(EEP2情景)及其成本分别为4.2 EJ和84亿时间。到2030年,能源效率措施可以帮助减少二氧化碳的5-8%,PM的3-5%,SO2的15-25%和NOx排放的12-20%。总体而言,能源效率措施的平均边际成本将降低考虑到避免在空气污染控制措施上的投资,从1.48 / GJ降低了20%,从1.48 / GJ降低了。因此,在中国水泥行业,实施能效措施要比单纯基于管道末端的政策更具成本效益。工厂经理和最终用户可以考虑采用节能措施,以达到中国水泥行业新的空气污染物排放标准。

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