4460 Lab Lecture 8 2011

4460 Lab Lecture 8 2011 - CHEN 4460 – Process Synthesis...

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Unformatted text preview: CHEN 4460 – Process Synthesis, Simulation and Optimization Dr. Mario Richard Eden Department of Chemical Engineering Auburn University Lab Lecture No. 6 – Heat and Power Integration November 15, 2011 Heat and Power Integration Example 1 • Given the stream information below, design the MER network Stream T s T t Cp [kW/ o C] 1 180 40 2 2 150 40 4 3 60 180 3 4 30 105 2.6 ∆ T min = 10 o C Example 1 – Solution ∆ T min = 10 o C Stream T s T t Cp [kW/ o C] 1 180 40 2 2 150 40 4 3 60 180 3 4 30 105 2.6 Temperature Driving Force T H- Δ T Example 1 – Solution ∆ T min = 10 o C Stream T s T t Cp [kW/ o C] 1 170 30 2 2 140 30 4 3 60 180 3 4 30 105 2.6 Temperature Driving Force T H- Δ T Interval T i T i-T i+1 Σ Cp H- Σ Cp C Δ H i 1 180 2 170 3 140 4 105 5 60 6 30 Example 1 – Solution ∆ T min = 10 o C Stream T s T t Cp [kW/ o C] 1 170 30 2 2 140 30 4 3 60 180 3 4 30 105 2.6 Temperature Driving Force T H- Δ T Interval T i T i-T i+1 Σ Cp H- Σ Cp C Δ H i 1 180 10 2 170 30 3 140 35 4 105 45 5 60 30 6 30 Example 1 – Solution ∆ T min = 10 o C Stream T s T t Cp [kW/ o C] 1 170 30 2 2 140 30 4 3 60 180 3 4 30 105 2.6 Temperature Driving Force T H- Δ T Interval T i T i-T i+1 Σ Cp H- Σ Cp C Δ H i 1 180 10-3 2 170 30 2-3=-1 3 140 35 2+4-3=3 4 105 45 2+4-3-2.6=0.4 5 60 30 2+4-2.6=3.4 6 30 Example 1 – Solution ∆ T min...
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4460 Lab Lecture 8 2011 - CHEN 4460 – Process Synthesis...

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