Aerosol measurements from plasma torch cuts on stainless steel, carbon steel, and aluminum

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Description

The main purpose of this project is to quantify aerosol particle size and generation rates produced by a plasma torch whencutting stainless steel, carbon steel and aluminum. the plasma torch is a common cutting tool used in the dismantling of nuclear facilities. Eventually, other cutting tools will be characterized and the information will be compiled in a user guide to aid in theplanning of both D&D and other cutting operations. The data will be taken from controlled laboratory experiments on uncontaminated metals and field samples taken during D&D operations at ANL nuclear facilities. The plasma torch data was collected from ... continued below

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8 p.

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Novick, V.J.; Brodrick, C.J.; Crawford, S.; Nasiatka, J.; Pierucci, K.; Reyes, V. et al. January 1, 1996.

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Description

The main purpose of this project is to quantify aerosol particle size and generation rates produced by a plasma torch whencutting stainless steel, carbon steel and aluminum. the plasma torch is a common cutting tool used in the dismantling of nuclear facilities. Eventually, other cutting tools will be characterized and the information will be compiled in a user guide to aid in theplanning of both D&D and other cutting operations. The data will be taken from controlled laboratory experiments on uncontaminated metals and field samples taken during D&D operations at ANL nuclear facilities. The plasma torch data was collected from laboratory cutting tests conducted inside of a closed, filtered chamber. The particle size distributions were determined by isokinetically sampling the exhaust duct using a cascade impactor. Cuts on different thicknesses showed there was no observable dependence of the aerosol quantity produced as a function of material thickness for carbon steel. However, data for both stainless steel and aluminum revealed that the aerosol mass produced for these materials appear to have some dependance on thickness, with thinner materials producing tmore aerosols. The results of the laboratory cutting tests show that most measured particle size distributions are bimodal with one mode at about 0.2 {mu}m and the other at about 10 {mu}m. The average Mass Median Aerodynamic Diameters (MMAD`s) for these tests are 0.36 {+-}0.08 {mu}m for stainless steel, 0.48 {+-}0.17{mu}m for aluminum and 0.52{+-}0.12 {mu}m for carbon steel.

Physical Description

8 p.

Notes

INIS; OSTI as DE96004296

Source

  • American Nuclear Society (ANS) topical meeting on decontamination and decommissioning, Chicago, IL (United States), 14-17 Apr 1996

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  • Other: DE96004296
  • Report No.: ANL/TD/CP--88550
  • Report No.: CONF-960443--1
  • Grant Number: W-31-109-ENG-38
  • DOI: 10.2172/219032 | External Link
  • Office of Scientific & Technical Information Report Number: 212430
  • Archival Resource Key: ark:/67531/metadc668206

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  • January 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 15, 2015, 6:48 p.m.

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Novick, V.J.; Brodrick, C.J.; Crawford, S.; Nasiatka, J.; Pierucci, K.; Reyes, V. et al. Aerosol measurements from plasma torch cuts on stainless steel, carbon steel, and aluminum, article, January 1, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc668206/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.