DISPOSAL OF OMR HIGH BOILERS BY COMBUSTION

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Under the influence of radiation, the coolant-moderator in an organic moderated reactor slowly decomposes to form high molecular weight polymers (high boilers) and a mixture of gases and light hydrocarbons as waste products. Work carried out on the improvement and subsequent operation of a prototype waste- polymer combustion process is described. Operation of the improved unit employing a vortex'' burner confirmed the feasibility of combustion as a disposal method. It was determined that fuel temperatures of 400 deg F and combustion air temperatures of 300 deg F were required for successful operation. The quantity of ash resulting from the combustion ... continued below

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Stiens, R.R. November 15, 1961.

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Description

Under the influence of radiation, the coolant-moderator in an organic moderated reactor slowly decomposes to form high molecular weight polymers (high boilers) and a mixture of gases and light hydrocarbons as waste products. Work carried out on the improvement and subsequent operation of a prototype waste- polymer combustion process is described. Operation of the improved unit employing a vortex'' burner confirmed the feasibility of combustion as a disposal method. It was determined that fuel temperatures of 400 deg F and combustion air temperatures of 300 deg F were required for successful operation. The quantity of ash resulting from the combustion was established to be less than 0.5 wt% of the original polymer. It was determined that the efficiency of the primary dust collector varied from approximately 90 to 99%, and that there was no detectable particulate matter in the gas leaving the absolute filter. Attempted activity-balance calculations proved unsuccessful due to extreme difficulties in measurement of the low-level activty of the stack gas. In an effort to further improve and simplify the process system, preliminary evaluation of another burner was carried out. A cost estimate of the combustion process using the Vortex'' burner was prepared, based on data obtained from the Piqua, Ohio, organic reactor power plant design, and operating data from the current combustion prototype. Results indicated a net cost of 1.8 cent/lb for burning the polymer in a Piqua- size plant. (auth)

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  • Other Information: Orig. Receipt Date: 31-DEC-62

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  • Report No.: NAA-SR-5410
  • Grant Number: AT(11-1)-GEN-8
  • DOI: 10.2172/4817845 | External Link
  • Office of Scientific & Technical Information Report Number: 4817845
  • Archival Resource Key: ark:/67531/metadc1054111

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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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  • November 15, 1961

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 25, 2018, 4:19 p.m.

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Stiens, R.R. DISPOSAL OF OMR HIGH BOILERS BY COMBUSTION, report, November 15, 1961; United States. (digital.library.unt.edu/ark:/67531/metadc1054111/: accessed April 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.