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Related Experiment Videos

On-line coal analysis using fast neutron-induced gamma-rays.

C S Lim1, D A Abernethy

  • 1Division of Minerals, Commonwealth Scientific & Industrial Research Organisation (CSIRO), Private Mail Bag 5, Menai, NSW 2234, Australia. cheryl.lim@csiro.au

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
|July 20, 2005
PubMed
Summary

CSIRO developed neutron inelastic-scattering and thermal-capture analysis (NITA) for on-line elemental analysis. This technique uses fast neutrons for improved measurement of bulk materials like coal.

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Area of Science:

  • Nuclear analytical techniques
  • Applied physics
  • Materials science

Background:

  • On-line measurement of bulk elemental composition requires highly penetrative techniques.
  • Neutron-gamma methods are effective for bulk elemental analysis.

Purpose of the Study:

  • To present the development and implementation of neutron inelastic-scattering and thermal-capture analysis (NITA).
  • To evaluate a full-scale prototype of NITA for on-line coal quality measurement.

Main Methods:

  • Utilizing fast neutron sources to induce inelastic scattering reactions.
  • Detecting gamma-rays emitted from excited elements.
  • Testing a prototype under simulated industrial conditions.

Main Results:

Related Experiment Videos

  • NITA successfully excites gamma-rays from key elements like carbon and oxygen.
  • The prototype demonstrated feasibility for on-line coal analysis.
  • Investigated the impact of sample inhomogeneity and stream thickness on measurement accuracy.

Conclusions:

  • Neutron inelastic-scattering and thermal-capture analysis (NITA) is a viable technique for on-line elemental composition measurement.
  • The developed prototype shows promise for industrial applications, particularly in coal quality assessment.