摘要
本文拟在综合广义火用计量和传统碳排放方法的基础上,构建广义碳排放计量模型,将其应用于制造系统的环境效益评价中,其值由要素消耗量与相应广义排放因子乘积后累加得到。首先,通过人均基本碳排放量、人口总量、年工作时数、工资总量及广义货币M_2等,构建模型并求解得到劳动力和资本的广义碳排放因子。其次,基于物料、能源、产品和废弃物等的碳排放因子得到相应广义碳排放因子,实现制造系统全要素的广义碳排放因子建模。最后,通过监测所有要素的消耗量,由消耗量与广义碳排放因子乘积累加得到制造系统的广义碳排放值。板材切割加工工艺案例表明,广义碳排放计量方法实现了对制造要素统一计量,有利于避免对劳动密集型和资本密集型制造业的环境效益最优的误判,可作为可持续制造的判断依据。
An Extended Carbon-Emission Accounting(ECEA) method is proposed by referring Extended Energy Accounting method in this paper. The extended carbon dioxide emissions factors of labor and capital are proposed to calculate based on the basic CDE per capita, total population, annual working hours, intermediate money M_2 and the total wage S, etc. The extended carbon dioxide emissions(Ex-CDE) of a manufacturing process can be calculated through these factors. By using the ECEA method, a case of comparatively analyzing on a sheet metal part′s cutting process is studied. The result shows ECEA method accounts these production factors in a uniform unit, which is suitable as a basis for judging the sustainability of manufacturing processes and it can help to avoid miscalculation of the best environmental benefits for labor-intensive and capital-intensive manufacturing industries.
引文
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