Concentrations of Radionuclides of Size Fractionated Fly-Ash Emissions from a Thermal Power Plant Using Taiwan Coal

スポンサーリンク

概要

• 論文の詳細を見る

• Coal, fly ash and bottom ash samples were taken from a 300-MWe coal-fired power plant with a daily coal consumption of 2400 tons. A high volume sampler coupled with several mesh testing sieves was used to separate fly ash samples into different size fractions. Determination of the concentrations of ^<40>K, ^<238>U, ^<226>Ra, ^<210>Pb, ^<210>Po, ^<228>Th and ^<228>Ra was carried out either by gamma or alpha spectrometry. For elements volatilized during combustion, their radionuclide concentrations decrease with increasing particle size. The enrichment factors for all radionuclides mentioned above were studied. Their values range from 31.0 for to 2.2 for ^<228>Ra. Of all radionuclides studied, ^<210>Po and ^<210>Pb are the most volatile elements; therefore, an increase in the natural radiation level should first be indicated by an increase in these two nuclides.

• 日本放射線影響学会の論文

著者

• Chu Tieh-chi

  Institute Of Nuclear Science National Tsing Hua University

• WENG YA-HUI

  Institute of Nuclear Science, National Tsing Hua University

• Weng Ya-hui

  Institute Of Nuclear Science National Tsing Hua University

関連論文

• Natural Radiation Background in Metropolitan Taipei
• Concentrations of Radionuclides of Size Fractionated Fly-Ash Emissions from a Thermal Power Plant Using Taiwan Coal
• Radon Concentration in Two Largest Cities in Semitropical Taiwan

スポンサーリンク