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Atmosphere 2015, 6(4), 490-502; doi:10.3390/atmos6040490

An Investigation of Atmospheric Mercury from Power Sector in Thailand

The Joint Graduate School of Energy and Environment, Centre of Excellence for Energy Technology and Environment, King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand
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Author to whom correspondence should be addressed.
Academic Editor: Robert W. Talbot
Received: 6 January 2015 / Revised: 24 February 2015 / Accepted: 5 March 2015 / Published: 3 April 2015
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Abstract

Mercury (Hg) is a highly toxic pollutant with a long range transport in the atmosphere resulting in both local and global concerns. Understanding of emissions is required to support an effective control strategy. In this study, atmospheric Hg emissions from power sector in Thailand in 2010 were investigated by using the bottom-up approach to improve the accuracy of the estimate by up to 50% in comparison to those provided in global inventories. The activity data of each individual source were collected and emissions factors were assessed based on local sources, well reflecting the emissions behavior of various emitters in Thailand. The atmospheric Hg emissions from power sector in 2010 amounted to 844.5 kg, in which emissions from coal and lignite power plants constituted up to 92.3% and biomass power plants constituted up to 7.4%. Spatial and temporal distribution analysis indicated high emissions in the Central and Northern regions, and from February to July. Annual trends in emissions from 2010 to 2030 were estimated and discussed. View Full-Text
Keywords: emissions inventory; mercury; Thailand; power sector emissions inventory; mercury; Thailand; power sector
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Pham, T.T.B.; Junpen, A.; Garivait, S. An Investigation of Atmospheric Mercury from Power Sector in Thailand. Atmosphere 2015, 6, 490-502.

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