基于生命周期评价的氮肥温室气体排放研究Study on Greenhouse Gas Emission of Nitrogen Based on Life Cycle Assessment
柳杨;程志;王廷宁;黎水宝;
摘要(Abstract):
采用生命周期评价方法研究硝酸铵、磷酸二铵、复合肥、尿素、碳酸氢铵5种不同含氮量的氮肥温室气体排放,为碳足迹标识评价提供借鉴和数据基础。分析优选有利于控制温室气体排放的氮肥种类。生命周期温室气体排放评价结果表明:硝酸铵6.3543kg CO2eq/kg,磷酸二铵14%含氮率和17%含氮率分别为2.4416kg CO2eq/kg、2.7792kg CO2eq/kg,复合肥7%含氮率和13%含氮率分别为1.9721kg CO2eq/kg、2.6473kg CO2eq/kg,尿素9.2627kg CO2eq/kg,碳酸氢铵4.0132kg CO2eq/kg;相同含氮量情况下,磷酸二铵生命周期温室气体排放相对较少,是控制氮肥生命周期温室气体排放的最优选对象。
关键词(KeyWords): 生命周期评价;氮肥;氮肥温室气体排放
基金项目(Foundation): 宁夏自然科学基金项目“基于生命周期评价的氮肥温室气体排放机理研究”(NZ14255);; 宁夏科技支撑计划项目“宁夏枸杞碳足迹标识关键技术研究与应用”(2013ZYZ204)
作者(Authors): 柳杨;程志;王廷宁;黎水宝;
DOI: 10.19758/j.cnki.issn1673-288x.2015.03.017
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