PTA data in table 3 shows pinch analysis for ATmin=20°C in process plant. Construct Grand Composite Curve (GCC) for this process plant. Then, indicate placement of utilities in table 4 on the GCC. Calculate the duties and total cost of utilities per year. Table 3: PTA of process in plant Shifted Temperature, T* (°C) Enthalpy, (kW) 320 305 295 215 165 159 155 145 105 50 40 35 17080 21000 21222 5080 3080 1880 800 0 4800 16900 17200 9800 Table 4: Available Utilities Utility HP steam MP steam LP steam Cooling Water Ts (°C) Cost (RM/MW/yr) 400,500 350 180 370,000 135 220,000 15-25 40,000

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PTA data in table 3 shows pinch analysis for ATmin=20°C in process plant. Construct Grand
Composite Curve (GCC) for this process plant. Then, indicate placement of utilities in table 4
on the GCC. Calculate the duties and total cost of utilities per year.
Table 3: PTA of process in plant
Table 4: Available Utilities
Shifted Temperature, T* (°C) | Enthalpy, (kW)
Cost (RM/MW/yr)
400,500
370,000
220,000
40,000
Utility
Ts (°C)
320
17080
HP steam
350
305
21000
MP steam
180
295
21222
LP steam
135
215
5080
Cooling Water
15-25
165
3080
159
1880
155
800
145
105
4800
50
16900
40
17200
35
9800
Transcribed Image Text:PTA data in table 3 shows pinch analysis for ATmin=20°C in process plant. Construct Grand Composite Curve (GCC) for this process plant. Then, indicate placement of utilities in table 4 on the GCC. Calculate the duties and total cost of utilities per year. Table 3: PTA of process in plant Table 4: Available Utilities Shifted Temperature, T* (°C) | Enthalpy, (kW) Cost (RM/MW/yr) 400,500 370,000 220,000 40,000 Utility Ts (°C) 320 17080 HP steam 350 305 21000 MP steam 180 295 21222 LP steam 135 215 5080 Cooling Water 15-25 165 3080 159 1880 155 800 145 105 4800 50 16900 40 17200 35 9800
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