Development of an air cleaning system for dissolving high explosives from nuclear warheads

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We have been developing a workstation for the removal of high explosive (HE) from nuclear warheads using hot sprays of dimethyl sulfoxide (DMSO) to dissolve the HE> An important component of the workstation is the air cleaning system tat is used to contain DMSO aerosols and vapor and radioactive aerosols. The air cleaning system consists of a condenser to liquefy the hot DMSO vapor, a demister pad to remove most of the DMSO aerosol, a HEPA filter, an activated carbon filter and a final HEPA filter to meet the redundancy requirement for HEPA filters in radioactive applications. The demister pad ... continued below

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31 p.; Other: FDE: PDF; PL:

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Bergman, W.; Wilson, K.; Staggs, K. & Wapman, D. February 1, 1997.

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Description

We have been developing a workstation for the removal of high explosive (HE) from nuclear warheads using hot sprays of dimethyl sulfoxide (DMSO) to dissolve the HE> An important component of the workstation is the air cleaning system tat is used to contain DMSO aerosols and vapor and radioactive aerosols. The air cleaning system consists of a condenser to liquefy the hot DMSO vapor, a demister pad to remove most of the DMSO aerosol, a HEPA filter, an activated carbon filter and a final HEPA filter to meet the redundancy requirement for HEPA filters in radioactive applications. The demister pad of a 4 inch thick mat of glass and steel fibers and was selected by comparative evaluations. After all the components were assembled, we ran a series of performance tests on the components and system to determine the particle capture efficiency as a function of size for dioctyl sebacate and DMSO aerosols using laser particle counters and filter samples. The pad had an efficiency greater than 99% for 0.1 micron DMSO particles. Test results on the prototype carbon filter showed only 70% efficiency, instead of the 99.9% in small laboratory tests.

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31 p.; Other: FDE: PDF; PL:

Notes

OSTI as DE98050753

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  • 24. nuclear air cleaning and treatment conference, Portland, OR (United States), 15-18 Jul 1996

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  • Other: DE98050753
  • Report No.: UCRL-JC--127216
  • Report No.: CONF-960715--
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 644619
  • Archival Resource Key: ark:/67531/metadc694478

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • February 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 16, 2016, 6:22 p.m.

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Bergman, W.; Wilson, K.; Staggs, K. & Wapman, D. Development of an air cleaning system for dissolving high explosives from nuclear warheads, article, February 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc694478/: accessed October 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.