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This part of ISO 14404 specifies calculation methods which companies using EAF to manufacture steel can use to evaluate the total annual carbon dioxide (CO2) emissions and the emission factor of CO2 per unit of steel production of the entire steel production process. This standard is applied to the plants that mainly produce carbon steel. It includes boundary definition, material and energy flow definition, and conversion factor to CO2. Besides direct source input to the boundary, up-stream and credit concept is applied to exhibit the plant CO2 intensity. This standard supports steel producer to establish CO2 emissions attributable to a site. The standard cannot be used to calculate benchmarks or to compare CO2 intensities of production processes which are operated inside the site. Companies which do not use EAF do not use this calculation method; the calculation method used by steel plants which use blast furnace is based on Part1. Conversion to energy consumption and to consumption efficiency can be obtained using Annex A.
||Calculation method of carbon dioxide emission intensity from iron and steel production - Part 2: Steel plant with electric arc furnace (EAF)