Estimation of CO_2 Emission in Chinese Steel Industry

CO2 emission in Chinese iron and steel industry was estimated based on the analysis of carbonaceous-flow.It is stressed that the data or calculation approaches for specific CO2 emission estimation from different sources are not comparable.The results were indicated that although the total CO2 emission in Chinese iron and steel industry has been growing steadily,the general trend of the specific CO2 emission per ton steel has been declining from 1991 to 2007.And the CO2 emission sourced from energy consumption was accounted for the most important part of the toatl CO2 emission.