Emission Inventory Of Anthropogenic Activities At Southeastern Lagos

  • L. A. Jimoda Department of Chemical Engineering Ladoke Akintola University of Technology, Ogbomoso, Nigeria
  • J. A. Sonibare Department of Chemical Engineering Obafemi Awolowo University, Ile-Ife, Nigeria
  • F. A. Akeredolu Department of Chemical Engineering Obafemi Awolowo University, Ile-Ife, Nigeria
Keywords: Air Pollutants, Emission Inventory, Emission Factor

Abstract

Air inversion accompanying foggy dispersion and visibility reduction to less than 20meters has become a permanent feature of Okobaba midsection part of the Third Mainland Bridge in the Southeastern part of Lagos in the last 10 years. This paper estimates the criteria air pollutants from some dominant sources in the area using emission factor approach. Mass of sawdust combusted in the area, average house fuel consumption for cooking, fuel consumption by vehicles, power generations, industries and domestic activities are combined with the appropriate emission factors to quantify the air pollutants from these sources. Particulate matter is emitted most from sawdust combustion followed by oxides of nitrogen (NOx), oxides of sulphur (SOx) and carbon monoxide (CO), in the reducing order. Emission from traffic showed that CO is emitted most from gasoline bus while diesel bus emits the lowest CO with the value, 11.1562 x 1010 tons/year and 14.9788 x 108 tons/year respectively. NOx has its highest value of 14.8735 x 106 tons/year, from truck/trailer. It is followed by gasoline bus, car, diesel bus in the reducing order while it is least emitted from motorcycle with the value 330,340x103tons/year. In the power generation and industries, CO2 emission per year has the highest value while aldehyde emission is the lowest. Most CO and CO2 emissions from household activities in the area come from wood emission. This emission inventory information is expected to guide researchers and policy makers to know the fate and effects of aerosol emission in the area for adequate air quality management. 

Author Biographies

L. A. Jimoda, Department of Chemical Engineering Ladoke Akintola University of Technology, Ogbomoso, Nigeria

Department of Chemical Engineering

Ladoke Akintola University of Technology, Ogbomoso, Nigeria

J. A. Sonibare, Department of Chemical Engineering Obafemi Awolowo University, Ile-Ife, Nigeria

Department of Chemical Engineering

Obafemi Awolowo University, Ile-Ife, Nigeria

F. A. Akeredolu, Department of Chemical Engineering Obafemi Awolowo University, Ile-Ife, Nigeria

Department of Chemical Engineering

Obafemi Awolowo University, Ile-Ife, Nigeria

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Published
2009-11-01
How to Cite
Jimoda, L. A., Sonibare, J. A., & Akeredolu, F. A. (2009). Emission Inventory Of Anthropogenic Activities At Southeastern Lagos. Ife Journal of Technology, 18(2), 35-41. Retrieved from http://ijt.oauife.edu.ng/index.php/ijt/article/view/35