Figure 16.20 shows a system designed to recover argon from the purge stream in an ammonia synthesis plant. Estimate the total bare-module cost associated with the addition of this argon recovery system to an existing plant. Assuming no allocated costs for utilities and related facilities, estimate the direct permanent investment, the total depreciable capital, and the total permanent investment for the process. Include only the equipment shown in the flowsheet and specified below. Use \(\mathrm{CE}=600\).

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Equipment Specifications Molecular sieve adsorbers (ignore packing): A2 Diameter (ft) 10 10 Height (ft) 7 7 Pressure (psia) Material 2,000 1,000 SS SS Absorber and distillation columns: ABI DI Material SS Diameter (ft) 2 3.5 SS D2 SS 1.7 Height (ft) 45 50 15 Pressure (psia) 1,000 70 14.7 No. of trays 40 45 12 Tray spacing (ft) 1 1 1 Tray type Sieve Sieve Sieve