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Hysys Test 2005 - Question 1(6 m arks The following feed...

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-- Question 1 (6 marks) : The following feed stream is processed according to the sketch shown below, name Feed Composition 30 mole% ethane 30 mole% propane 40 mole% n-butane Temperature 20 C Pressure 140 kPa Flowrate 1000 kgmoleihr 30 kPa The cooler has ressure rl~~"""""--. The pump. boosts ressure t 140 .kP'-'""'7--.._____. ~am entering the separator 1S a -25 C. ~the liquid' produ~eCLin the separator 1S withdrawn from th: process as Final Product. r-----O::>-. V II ftJoR. .s€PIJRlJ70~ cooU!.1( PUf1P FiiVI1 L p,eoj)OcT What is the mole traction of n-butane in the Final Product? 0 ' ~ q2- 8 ~\,j ~ What property package did you use'? ? V0j - ~nb (\ SOY'! Save this work on your diskette as "questionl".
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,- Question 2 (7 marks) : .... The following feed is separated in a distillation column: name Feed composition 10 mole % methyl_acetate '\v 90 mole % cyclohexane temperature 50 C pressure 150 kPa flowrate 2000 kgmo1elhour 5' 1- ill 3 « 'i The Wilson equation of state is suitable. (--- The distillatio condense 10 stages ot counting the condenser or reboiler), and a reflux rat" . G The condenser pressure !SHY: d the reboiler pressur is 140 kP You want to reach a methyl acetate composition
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