Elemental Analysis of Bottom Ash from Incinerator by Neutron Activation Analysis

중성자 방사화분석법을 이용한 소각로 바닥재의 원소분석

  • Received : 2003.07.25
  • Accepted : 2003.08.27
  • Published : 2003.10.25

Abstract

Inorganic elemental content of bottom ash generated from municipal solid waste incinerator was determined by neutron activation analysis. Bottom ash samples were collected monthly from incinerator located in city D, strained out by the 5 mm sieve, dried by oven and pulverized by agate mortar. The samples were irradiated at NAA #1 irradiation hole in HANARO research reactor of Korea Atomic Energy Research Institute and the irradiated samples were measured by HPGe-gamma-ray spectrometer. From the activity of measured nuclides, 33 elements including As, Cr, Cu, Fe, Mn, Sb and Zn were determined applying activity creation formula and nuclear data. The quality control was conducted by simultaneous analysis with NIST standard reference materials.

Keywords

Incinerator;bottom ash;elemental analysis;NAA;quality control

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Acknowledgement

Supported by : 과학기술부