A preliminary numerical study of heat transport during in situ vitrification of soil

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The process of soil vitrification has been developed to contain the hazardous wastes buried underground. This is achieved by melting the soil using electrical resistance heating and allowing it to solidify into a vitreous, or glassy solid. As a consequence of this treatment, the hazardous wastes are held in the vitrified soil so that its harmful effect on the environment is reduced. A preliminary numerical study of soil melting is performed. The aim is to use a simplified mathematical model to simulate the soil temperature and the melting rate. Based on experimental data, the soil temperature reaches a maximum of ... continued below

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Pages: (15 p)

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Murray, P.E.; Hawkes, G.L. & MacKinnon, R.J. June 1, 1990.

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  • EG & G Idaho
    Publisher Info: EG and G Idaho, Inc., Idaho Falls, ID (USA)
    Place of Publication: Idaho Falls, Idaho

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Description

The process of soil vitrification has been developed to contain the hazardous wastes buried underground. This is achieved by melting the soil using electrical resistance heating and allowing it to solidify into a vitreous, or glassy solid. As a consequence of this treatment, the hazardous wastes are held in the vitrified soil so that its harmful effect on the environment is reduced. A preliminary numerical study of soil melting is performed. The aim is to use a simplified mathematical model to simulate the soil temperature and the melting rate. Based on experimental data, the soil temperature reaches a maximum of about 2000{degrees}C and the melting rate is about 2--3 cm per hour. We consider a representative vitrification process taking 60 hours and obtain results that agree well with experimental data. 3 refs., 7 figs.

Physical Description

Pages: (15 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • Other: DE91006213
  • Report No.: EGG-WM-9038
  • Grant Number: AC07-76ID01570
  • DOI: 10.2172/6303021 | External Link
  • Office of Scientific & Technical Information Report Number: 6303021
  • Archival Resource Key: ark:/67531/metadc1105431

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • June 1, 1990

Added to The UNT Digital Library

  • Feb. 22, 2018, 7:45 p.m.

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  • June 1, 2018, 3:46 p.m.

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Murray, P.E.; Hawkes, G.L. & MacKinnon, R.J. A preliminary numerical study of heat transport during in situ vitrification of soil, report, June 1, 1990; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc1105431/: accessed September 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.