Study of Trace Elements and Soot in Aerosols from a Coal-Fired Power Plant in Northern Vietnam |
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Authors: | Karina Bianca Lewerissa Johan Boman |
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Institution: | Faculty of Biology, Satya Wacana Christian University, Jl. Diponegoro 52-60, Salatiga, 50711, Indonesia. |
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Abstract: | Two measurement campaigns were conducted in two sampling sites, An Thinh and Duy Minh, in northern Vietnam during the months
of November–December 2000 and November 2001–February 2002 in order to investigate the extend of the particulate air pollution
from the Pha Lai coal fired power plant. Fine particle samples were analyzed by Energy Dispersive X-Ray Fluorescence spectrometry
and soot samples were analyzed by reflectometer. The result showed that high concentration of soot and elements mostly coincided
with the air masses originating from the power plant. Sea spray aerosol was found to be the major source of chlorine at both
sites. Ratios of specific elements and principal component analysis (PCA) revealed that coal combustion was the main contributor
to the air pollution at both sites. PCA also indicated that there were other sources responsible for the elements emission,
probably the influence of long distance transport and Asian Brown Cloud. |
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Keywords: | Air pollution Coal combustion Soot Trace elements Vietnam |
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