Conversion Method for Obtaining CO2 Emission Data from the Life Cycle Inventory Database of Foreign Countries

AbstractThis study aimed to develop a method for converting CO2 emission data from the life cycle inventory (LCI) of foreign countries into the one that is suitable for one’s own country, to obtain CO2 emission data of products or materials. CO2 emission differs in the energy efficiency and the type of energy sources used in each country. The developed conversion method considered the average share of the energy sources that are used to manufacture products or materials, in addition to different energy efficiency. To verify the feasibility of the developed conversion method, the study applied it to steel rebar and the steel section of the European reference life cycle database (ELCD), which was established by the European Commission. The result was compared with the CO2 emission data from the LCI of the Ministry of Knowledge Economy (MKE) in South Korea. The result showed that the percent difference of the steel rebar and that of the steel section dropped from 36.29 to 12.28%, and 162.59 to 60.47%, respec...

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