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Shipboard Pollution Control U.S. Navy Compliance with MARPOL Annex V (1996) / Chapter Skim
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4 LONG-RANGE OPTIONS: COMPETITION FOR INCINERATION
Pages 25-30

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From page 25...
... As this "waste" passes out of the plasma region and cools, the metal and glass components form a slag or, alternatively, molten metal. The paper, cardboard, and plastic portion, consisting mainly of carbon, hydrogen, and oxygen, tends to form low molecular weight compounds such as the hydrocarbonsmethane, ethane, and so on and some related oxygenated species.
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From page 26...
... A Navy contract is being negotiated for a demonstration plant to handle Navy waste including hazardous materials. With suitable modifications, vitrification can probably be employed to destroy black water sludge.
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From page 27...
... Bench-scale destruction has been demonstrated for various mixed waste including paper, protein, and human waste. The committee is unaware of studies to determine SCWO parameters for the destruction of Annex V waste, but high destruction efficiencies for paper and related materials (Tester et al., 1993)
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From page 28...
... d. Ship System Demands: Support system requirements for the machinery required to apply the technology, i.e., ventilation, cooling water, special containments, noise and vibration isolation, electromagnetic sensitivity or emissions, and external supply requirements.
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From page 29...
... g. Process Sensitivity: Susceptibility of the process to contaminants in the waste stream or other outside influences such as temperature fluctuations and power loss.
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From page 30...
... Plasma Arc Thermal Molten Salt Conversion V'treficabon Ox~dabon Technology Technology being marketed Mature technology for commercial applications to waste disposal Naval application demos planned for waste Feed development needed 'ending municipal waste stream demo with industry application development Squired navy shoreside hazardous waste demo being funded Small-scale use since 1 950s .arge R&D program in 1 990s DOD and DOE mixed waste Process Solids pumpable as slurry All shipboard solid waste All shipboard solid waste Concentration of liquid Combustible solids versatility Organics destruction can be processed can be processed waste streams required Organic liquids Inorganics decontamination Concentration of liquid Concentration of liquid Shred solids and concentration waste streams required waste streams required Large capacity possible Shred solids Shred solids Process density · 0.5 to 1.4 Ib/h/ft2 Not known 0.5 to 1 Ib/h/ft2 100 to 300 Ib/h/* organics Not known 15 to 30 Ib/h/ft2 inorganics Ship system Cooling water Cooling water Cooling water Cooling water Salt resupply demands Electric power Electric power Need inert gas Ventilation Low-pressure air or Discharge pump (brine)
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Key Terms

  • shipboard waste
  • pyrolytic methods
  • molten metal
  • waste stream
  • machinery required

  • molten salt
  • stack gas
  • waste destruction
  • ship motion
  • hazardous waste

  • supercritical water
  • shipboard wastes
  • waste streams
  • minimize effects
  • cooling water

  • black water
  • commercial plant
  • gas treatment
  • metal technology
  • water oxidation

  • compatibility attributes
  • water sludge
  • pilot plant
  • flammable product
  • residence times

  • arpa program
  • shipboard compatibility
  • oxidative methods
  • eventual shipboard
  • fuel gas


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