Title: Comparative study of decrease in direct (CO2) and indirect green house gases (CO, NOx, SO2) emissions from the coal fired thermal power plants using energy from municipal solid waste

Authors: Sushma Verma; Indranil Mukherjee; Barun Mandal; Provas Roy

Addresses: Department of Electrical Engineering, Technointernational Newtown, India ' Department of Civil Engineering, Aliah University, India ' Department of Electrical Engineering, Kalyani Government Engineering College, India ' Department of Electrical Engineering, Kalyani Government Engineering College, India

Abstract: India is the third largest producer and fourth largest consumer of electricity in the world, with the installed power capacity having reached 330,860.58 GW as on December 2017 with primary contribution being from coal. Undoubtedly the emissions from using coal as fuel are plenty. The solution forward seems to be the use of non-conventional energy in combination with the available conventional. An attempt has been made in the paper to present a case study of six metros - Mumbai, Hyderabad, Kolkata, Chennai, Delhi and Bengaluru, in terms of their utilisation of municipal solid waste (MSW) as an alternate energy source for electrical energy (based on combustion) in reducing the direct (CO2) and indirect greenhouse gases (GHGs) (CO, NOx, SO2) emissions from the coal fed thermal power plants in all the six metros. The savings in GHG emissions have been worked out for these six metros considering individual plants for the year 2011 and also for the year 2021. The results obtained show that considerable reduction in GHG emissions can be achieved by using energy from MSW and it can thus indirectly reduce the pollution too.

Keywords: municipal solid waste; MSW; direct and indirect GHG emissions; composition of MSW; ultimate analysis; heat value; daily energy potential; per capita generation.

DOI: 10.1504/IJEWM.2024.137521

International Journal of Environment and Waste Management, 2024 Vol.33 No.3, pp.265 - 291

Received: 20 Nov 2020
Accepted: 06 Jul 2021
Published online: 22 Mar 2024 *

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