Volume No. 10 Issue No.: 1 Page No.: 149-156 July-September 2015

 

WASTE ENERGY RECOVERY IN IRON AND STEEL INDUSTRIES FOR CO2 EMISSION REDUCTION : A CASE STUDY

 

Nallapaneni Manoj Kumar,* M. S. P Subathra and Orville Damaso Cota

Department of Electrical and Electronics Engineering, Karunya University, Coimbatore, Tamil Nadu (INDIA)

 

Received on : January 10, 2015

 

ABSTRACT

 

In this paper a study on waste energy recovery in iron and steel industries is presented, the major by-products are heat energy, Blast Furnace Gas (BFG), Coke Oven Gas (COG) which are widely vented to the atmosphere without proper utilization. On account of this, it is an important task for iron and steel industries to effectively utilize these by-products so as to reduce the impact of Green House Gas (GHG) emissions on the environment. On the contrary, the power generated through these by-products will replace the major quantity of electricity that could have been generated by burning fossil fuels in thermal power plants which are the major sources of GHG, thus GHG emission reduction could be achieved. For effective emission reductions, it requires specially designed mechanical systems namely expansion turbines, pressure turbines, coke oven batteries and heat recovery which are used as a case to reveal the improved efficiency of energy and CO2 emission reduction approximately 6, 09, 874.5968 tCO2/yr.

 

Keywords : Waste energy recovery, BFG, COG, GHG, Emission reduction, tCO2

 

 

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