Controlling Hydrocarbon Emissions from Tank Vessel Loading (1987) / Chapter Skim
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Appendix G: Calculations of Cost-Effectiveness as a Function of Terminal Throughput
Appendix G: Calculations of Cost-Effectiveness as a Function of Terminal Throughput
Pages 243-254
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From page 243... ...
These and other assumptions are noted below: · Vessel retrofit costs Normal annual terminal use -- 2,000 hr/yr Interest rate for amortization -- 10% Equipment life (including retrofit) -- 20 years Vapor recovery efficiency -- 99.8% Incinerator costs (capital, amortization of capital, maintenance, pilot gas, fans)
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From page 244... ...
18 16 o .° 14 E O 12 o ~: 111 C) ct O c~ ~ LL LL (n N z ~ O <: ~ cn Z Z ~ LU 10 8 6 4 2 o 1 1 ~ Terminal + 2x \'essel Terminal + Vessels / Terminal Alone 0 20 40 60 TERMINAL THROUGHPUT (millions bbl/yr)
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From page 245... ...
The "fleet factor" is the average vessel lay down or throughput of cargo per unit time. The values in the table are very rough assumptions and can vary greatly for a specific terminal.
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From page 246... ...
Year Trip Type of Vessel 25 1,000 14.6 25.0 Inland river barge 120-150 10,000 27.0 13.5 19-kdwt ocean barge 262.5 20,000 27.8 13.1 35-kdwt products carrier 400-600 25,000 18.3 20.0 70-kdwt oil carrier The calculations of cost per emissions abated versus terminal throughput were performed using a computer spreadsheet, as shown in the example Tables G-2 and G-3. Annualized terminal costs for vapor recovery are developed in columns (7)
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From page 247... ...
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From page 248... ...
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From page 249... ...
249 TABLE G-4 Inland Terminal Serving River Barges, UTD Case 5 Hours Throughput 1,000 Cost-Effectiveness (fleet factors) Incin.
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From page 250... ...
Hours Throughput 250 TABLE G- 5 Crude Oil Terminal for 70-kdwt Ships, UTD Case 6 Cost- Effectiveness ( fleet factors ) 25,000 12,500 Incin.
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From page 251... ...
251 TABLE G-6 Products Terminal Serving 35-kdwt Ships, UTD Case 7 Cost-Effectiveness (fleet factors) Hours Throughput20,000 10,000Incin.
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From page 252... ...
252 TABLE G-7 UTD Case 7 Products Terminal Serving Inland River Barges, Cost-Effectiveness ( fleet factors ) Hours Throughput 1,000 500 Incin.
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From page 253... ...
253 TABLE G-8 Products Terminal Serving Both Inland River Barges and 35-kdwt Ships, UTD Case 7 Cost-Effectiveness (fleet factors) HoursThroughput High LowIncin.
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From page 254... ...
It must be understood that the costs for a specific terminal can be very different than the results presented here since costs are very sensitive to length of piping run and other terminal specifics. REFERENCE United Technical Design, Inc.
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