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A Modified Baseline Incineration Process for Mustard Projectiles at Pueblo Chemical Depot (2001) / Chapter Skim
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3. The Modified Baseline Process
Pages 14-25

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From page 14...
... buffer inventory is provided between the energetics removal step and the rest of the operation. The same type of energetics removal equipment is used in both the baseline system and the modified baseline process.
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From page 15...
... Four zones provide the extra heating to burn Because liquid agent has been drained, less agent is the larger amounts of agent. fed to the MPF than in the modified baseline process.
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From page 16...
... . The ECRs in the modified baseline process for Pueblo will probably have lower construction costs than the corresponding ECRs in baseline system facilities at other sites because the ECRs at Pueblo can be designed to withstand a lower explosive load from the relatively small mustard-filled munitions and will therefore require less concrete and reinforcement.
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From page 17...
... If the Army intends to use the freezing process at Pueblo, data on the behavior of frozen rounds will be essential to confirm the feasibility of a modified baseline process that integrates freezing of the munitions for agent accessing prior to their treatment in the metal parts furnace. Recommendation 3-2.
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From page 18...
... If the Army intends to include this process step, associated safety, design, maintenance, and regulatory approval issues should be assessed. Opening of Munitions to Access Agent In the modified baseline process for Pueblo, frozen munitions will be conveyed to six agent accessing machines operating in parallel and sized to handle 27 munitions per hour each (Tomanek, 2000a, 2000b)
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From page 19...
... metal parts furnace with design provisions to ensure safe shutdown and restarting in the event of operational upsets, such as a loss of electrical power, combustion air supply, or exhaust gas capability. Treatment of the Off-Gas from the Metal Parts Furnace As in the baseline system, the gases from the MPF afterburner of the modified baseline process are passed through the quench tower and scrubber of the PAS to cool and neutralize acidic gases (mostly HC1)
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From page 20...
... The throughput rates remain to be demonstrated. SDS was processed in the LIC afterburner at JACADS, which supports the likelihood that SDS can be treated in the MPF afterburner in the modified baseline process, but this remains to be proven (Thompson, 2000d)
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From page 21...
... Uncontaminated dunnage and spent carbon, slag, and ash can be shipped off site to permitted waste disposal facilities after being tested to ensure they meet all requirements for off-site disposal. Monitoring of Agent and Other Pollutants The agent monitoring system for a modified baseline process at Pueblo would be patterned after the one at JACADS and the other baseline incineration system facilities.
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From page 22...
... Another 10 percent availability is required to handle secondary wastes, so the total required MPF availability is 70 percent. The MPF availability at JACADS in operations on 4.2-inch HD mortar projectiles was 53 percent, but anticipated improvements in conveyers, water spray valves, gate gaskets, the continuous emissions monitoring system, and expansion of the PAS in the modified baseline process are predicted to raise overall MPF availability to 70 percent or higher (Tomanek, 2000a, 2000b)
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From page 23...
... PREPROJECT PLANNING FOR A MODIFIED BASELINE PROCESS PMCD and its contractors are experienced and knowledgeable organizations that have been involved in the design and construction of five baseline incineration system facilities. It is apparent that some of the critical decision points for Pueblo are engineering design decisions that must be made by project personnel based on technical issues, cost effectiveness, and their impact on the duration of construction and operations.
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From page 24...
... Without these estimates, it is extremely difficult to evaluate engineering decisions and select the most cost-effective technologies. Based on the lack of documentation, the committee concluded that an adequate preproject plan for a modified baseline process at Pueblo may not exist.
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From page 25...
... Preproject planning is key to successful large endeavors. OMB Circulars A-94 and A-11 provide guidance for the planning of such projects, particularly with regard to schedules and risk analyses.
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Key Terms

  • baseline process
  • spent carbon
  • trial burn
  • agent accessing
  • mustard agent

  • disposal facilities
  • baseline incineration
  • chemical agent
  • mpf afterburner
  • carbon filters

  • continuous monitoring
  • secondary wastes
  • frozen rounds
  • hazardous waste
  • energetics removal

  • preproject planning
  • agent disposal
  • disposal facility
  • frozen munitions
  • stockpile disposal

  • handling building
  • quench tower
  • net benefits
  • probability distributions
  • air monitoring

  • deactivation furnace
  • electrical power
  • mustard rounds
  • mpf availability
  • dpe suits


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