PSC2018 PHASE 5

Proudly presenting PSC2018 Phase 5!

It is quite impressive what you have achieved by manipulating the feed mixture for the bioreactor! It points out that the rule of thumb “The biggest lever in bioprocesses is the optimization of the bioreactor, forget about the downstream!” somehow applies here…

You might have expected it, but now the time has come to give you full access to the bioreactors feed. Be careful when reducing the air stream, your bacteria will not like to be suffocated ?

Be the next master of flowsheets!

Start: 09.07.2018

Unlocked Design variables:

F01 (Air) F02 (Cane Juice) F03 (Ammonia) and F04 (Acetic Acid). All other design variables are locked!

Locked Design variables (no changes to phase 4):

D01 = 15000 kg/h

D02 = 0.9

D03 = 0.05

D04 = 150 °C

D05 = 50 kg/h

D06 = 0.05 bar

D07 = 0.85

D08 = 0.06

D09 = 30°C

D10 = 0.04 bar

D11 = 0.01

D12 = 250°C

D13 = 0.03 bar

D14 = 0.01

D15 = 120°C

Input Bounds:

6500 kg/h < F01 < 65000 kg/h

1000 kg/h < F02 < 10000 kg/h

1 kg/h        < F03 <   5000 kg/h

1 kg/h        < F04 <   5000 kg/h

Input Step Size:

F01:       1 kg/h

F02:       1 kg/h

F03:       1 kg/h

F04:       1 kg/h

Input Constraints (no changes to phase 4):

-

Output Constraints (no changes to phase 4):

Stream 40 Massflowrate > D01 + D05

Stream 39 Vapor Fraction < 0.01

Stream 35 Temperature > 18°C

Stream 38 Temperature > 18°C

Stream 32 Temperature < Stream 31 Temperature

D07 > Stream 25 Vapor Fraction (equivalent to) Stream 29 Vapor Fraction > Stream 25 Vapor Fraction

GOOD LUCK!

Process Simulation Cup Team

3 July 2018