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Problems of emissions of greenhouse gases into the atmosphere occur and influence the content of these gases in the atmosphere, thus driving global climate change. Carbon dioxide, which is representative of greenhouse gases and emissions into the atmosphere, is usually connected with the use and combustion of organic fuel containing carbon. In various technological processes, the specific rate of organic fuels can differ considerably, and the character of these technological processes can intensify the influence of emissions of carbon dioxide. The metallurgical enterprises are a source of considerable emissions of greenhouse gas – carbon dioxide. The iron and steel industry which consumes all over the world a significant amount of organic fuel is necessary, including, in particular, coked coal and coke, natural gas, fuel from coal dust, etc. During metallurgical processes, original technological fuel gases, such as blast furnace and coke-oven gas, are generated and used in processes which are sources of already secondary emissions of carbon dioxide. The purpose of the present work is to present a discussion of the character and models of carbon dioxide emissions with reference to such an energy-intensive process as ferrous metallurgy.
In this report, we can identify five types of technological processes which are described: the heating furnace, oxygen convertor and coke-chemical processes, the blast furnace process, and the electric arc furnace. For each type the rated formula for the definition of carbon dioxide emissions is received, and examples of calculations are shown.
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- Carbon Dioxide Emissions on an Example of Metallurgical Technologies
- Chapter 21
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