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    题名: Analysis of Carbon Emission Hot Spot and Pumping Energy Efficency in Water Supply System
    作者: Jr-Lin Lin;Shyh-Fang Kang
    关键词: Carbon footprint;Water treatment plant
    日期: 2019-02
    上传时间: 2019-03-14 12:10:48 (UTC+8)
    出版者: IWA
    摘要: Evaluation of carbon emission hot spots for water treatment plants (WTPs) is crucial to reduce carbon emissions. This study aims to analyze carbon emission data generated at Bansin WTP following the PAS 2050 guidelines. The boundary of inventory and assessment includes water intake, purification, and distribution stages. In addition, pumping efficiency, power consumption per pump lift and specific energy consumption were used to estimate the potential of energy reduction in pumping for Bansin and Baoshan WTPs. The results have revealed that the carbon footprint of Bansin WTP is 0.39 kg CO2e/m3 in 2011. There is 95% of carbon emissions generated by pumping from the intake and distribution stages, and the use of pumping is responsible for 65% of total carbon emissions in the clarification stage. The power consumption per pump lift can be calculated to evaluate the difference between rated power and operational power. This relationship can provide information indicating to operators when to replace or maintain poorly-functioning pumps. The data on pump lift, flow rate and power can also be calculated to determine the relationship between pumping efficiency (%) and specific energy consumption (kW/Q), and then used to identify the optimum condition of pump combinations for a given production of water supply.
    關聯: Water Supply 19(1), p.200-206
    DOI: 10.2166/ws.2018.067
    显示于类别:[水資源及環境工程學系暨研究所] 期刊論文

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