Page 338 - Air Pollution Control Engineering

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Condensation 317

Table 3
Comparison of Calculated Values and Values Supplied by the Permit Application
for Condensation
a
Calculated value (example case) Reported value
Continuous monitoring of exit Yes —
stream temperature
Condensation temperature, T 20ºF —
con
Coolant type Brine solution —
Coolant flow rate, Q 14,700 lb/h —
coolant
Condenser surface area, A 370 ft 2 —
con
Refrigeration capacity, Ref 20 tons —
Recovered product, Q 373 lb/h —
rec
a Based on emission stream 6.

Table 4
Capital Cost Factors for Condensers
Cost item Factor
Direct Costs
Purchased Equipment Costs
Condenser and auxiliary equipment As estimated, EC
Instrumentation a 0.10 EC
Sales tax 0.03 EC
Freight 0.05 EC
Purchased Equipment Cost (PEC) 1.08 EC
Direct Installation Costs
Foundation and supports 0.08 PEC
Erection and handling 0.14 PEC
Electrical 0.08 PEC
Piping 0.02 PEC
Insulation 0.10 PEC
Painting 0.01 PEC
Direct Installation Cost 0.43 PEC
Site preparation As required, SP
Buildings As required, Bldg.
Total Direct Costs (DC) 1.43 PEC + SP +Bldg.
Indirect Installation Costs
Engineering 0.10 PEC
Construction 0.05 PEC
Contractor fee 0.10 PEC
Start-up 0.02 PEC
Performance test 0.01 PEC
Contingencies 0.03 PEC
Total Indirect Cost (IC) 1.31 PEC
Total Capital Costs b 1.74 PEC + SP + Bldg.
a Typically included with the condenser cost.
b Does not include cost of refrigeration system.
Source: Data from refs. 4 and 9.