Perpindahan Massa

Koefisien Antoine setiap komponen

Komponen A B Cn-pentane 13.7667 2451.88 232.014n-hexane 13.8193 2696.04 224.317n-heptane 13.8622 2910.26 216.432n-octane 13.9346 3123.13 209.635

101.3 kPaV 0 L 100T 80.33278 Tebak nilai T hingga komposisi yi = 1

Komponen zi Ki yi xi Keterangann-pentane 0.04 371.235 3.664708 0.146588 0.04n-hexane 0.4 143.9783 1.421306 0.568523 0.4n-heptane 0.5 57.71852 0.569778 0.284889 0.5n-octane 0.06 23.66482 0.233611 0.014017 0.06Total 1 1 1

Umpan masuk pada kondisi cair, sehingga P = PbublPbubl

C

Pisat

= )_ (_^ /

= )_ (_^ / = )/(1+_ (_ _ 1))( _=_/_


Komponen A B Cbenzene 13.7819 2726.81 217.572toluene 13.932 3056.96 217.625xylene 14.0415 3358.79 212.041

101.3 KpaV 0 L 100

diinginkan di distilat 95% benzene1% toluene

1. Menghitung Feed Temperatur pada titik didihnya

Tf 112.213216

Komponen xf Ki yi xibenzene 0.2 248.007203462 2.448245 0.489649 0.2toluene 0.3 106.0532304362 1.046922 0.314077 0.3xylene 0.5 39.7651803543 0.392549 0.196274 0.5

Total 1 1 1

2. Menghitung top temperatur (dew point)

TD 95.7748223 Tebak nilai T hingga nilai XD/Ki = 1

Komponen xf mol feed D B xDbenzene 0.2 20 19 1 0.892019toluene 0.3 30 0.3 29.7 0.014085xylene 0.5 50 2 48 0.093897

Total 1 100 21.3 78.7 1

nilai yD=xD

3. Menghitung bottom temperatur (bubl point)


C Tebak nilai T hingga nilai yi = 1

Pisat

C

TB 134.561198 Tebak nilai TB hingga nilai xB/Ki = 1

Komponen xf mol feed D B xDbenzene 0.2 20 19 1 0.892019toluene 0.3 30 0.3 29.7 0.014085xylene 0.5 50 2 48 0.093897

Total 1 100 21.3 78.7 1

4. Jumlah stage minimum (Nm)

Komponen Ki D F B D Fbenzene 1.58661547 2.4482448515 4.137636 7.027822 6.236793toluene 0.64386133 1.0469223143 1.88506 2.851947 2.666987xylene 0.22576205 0.3925486708 0.765515 1 1

Nm 8.2108805206 xLK,D 0.892019xHK,D 0.014085xLK,B 0.012706xHK,B 0.609911

5. Cek komposisi di Bottom dan distillate

Komponen xf mol feed D B aveAsumsi Asumsi

benzene 0.2 20 19 1 6.187665toluene 0.3 30 0.3 29.7 2.655693xylene 0.5 50 2 48 1

Total 1 100 21.3 78.7

6. Refluks Minimum (Rm)

Komponen xf mol feedD B

xDCalc Calcbenzene 0.2 20 19.99985 0.000152 0.38636toluene 0.3 30 29.76501 0.234987 0.575004xylene 0.5 50 2 48 0.038636

C

Menentukan nilai Tebak hingga

Total 1 100 51.76486 48.23514 1

menentukan refluks minimum (Rm)

Komponen xf mol feedD B

xDCalc Calcbenzene 0.2 20 19.99985 0.000152 0.38636toluene 0.3 30 29.76501 0.234987 0.575004xylene 0.5 50 2 48 0.038636

Total 1 100 51.76486 48.23514 1

Rm + 1 1.77956192Rm 0.7795619

7. Jumlah stage

Rm 0.77956192R 2.33868576 0.4669873Nm 8.21088052

N-Nm/N+1 0.2689834

N 11.600098 Jumlah stage aktual

8. Letak feed plate

Xf,HK 0.5Xf,LK 0.3XB,LK 0.0048717

XD,HK 0.03863625B 48.235139D 51.764861

log Nr/Ns -0.33113516Nr/Ns 0.46651417

N = Nr + Ns

Nr 3.6901177 Letak feed plate

Ns 7.90997995

Total stage 11.6000977

2.66 0.335351.03 0.013670.42 0.223560.17 0

0.57258

Keterangan Keterangan

Tebak nilai T hingga nilai XD/Ki = 1

xB Ki xD/Ki0.0127064803 160.7241 1.586615471 0.562210.3773824651 65.22315 0.64386133 0.021880.6099110546 22.8697 0.2257620494 0.41591

1 1

Tebak nilai T hingga nilai yi = 1

Pisat

= )_ (_^ /

= )/(1+_ (_ _ 1))( _=_/_ _ = (_^)/_ = (__)/(1+ 1)( )

Tebak nilai TB hingga nilai xB/Ki = 1

xB Ki xB/Ki0.0127064803 419.1425 4.1376355634 0.003070.3773824651 190.9566 1.8850598642 0.20020.6099110546 77.54672 0.7655154642 0.79673

1 1

aveB5.4050319777 6.1876652.4624713051 2.655693

1 1

D B xD xBCalc Calc D B

131498.44326 19.99985 0.0001520919 1.00 -1.00 0.38636 3.15E-006126.66666667 29.76501 0.2349869452 29.47 -29.47 0.575004 0.0048720.0416666667 2 48 0.00 0.00 0.038636 0.995125

51.76486 48.235139037 1 1

bernilai nol

xB 1.517980993

3.153135E-006 6.187665 0.26501429360.0048716962 2.655693 0.70027209010.9951251506 1 -0.965286384

Pisat

iNM(nHD/nHW)

ave iXi,f/(i-)

1 -1.92668E-012

xB 1.5179809935

3.153135E-006 6.187665 0.51195400380.0048716962 2.655693 1.3421980030.9951251506 1 -0.074590088

1 1.779561919

ave iXi,D/(i-)

_ = (__)/(1+ 1)( ) _=_/_


Komponen A B Cbenzene 13.7819 2726.81 217.572toluene 13.932 3056.96 217.625xylene 14.0415 3358.79 212.041

101.3 KpaV 0 L 100

diinginkan di distilat 95% benzene1% toluene

1. Menghitung Feed Temperatur pada titik didihnya

Tf 112.2132

Komponen xf Ki yi xibenzene 0.2 248.0072 2.448245 0.489649 0.2toluene 0.3 106.0532 1.046922 0.314077 0.3xylene 0.5 39.76518 0.392549 0.196274 0.5

Total 1 1 1

Keterangan

2. Menghitung top temperatur (dew point)

TD 95.77482 Tebak nilai T hingga nilai XD/Ki = 1

Komponen xf mol feed D B xDKeterangan 0.2 20 0 20 #DIV/0!

0 0.3 30 #VALUE! #VALUE!0 0.5 50 2 48 #DIV/0!


C Tebak nilai T hingga nilai yi = 1

Pisat

C

_ = (_^)/_ = (__)/(1+ 1)( ) _=_/_

Total 1 100 2 #VALUE! #DIV/0!

sheetshort-cutSheet1

Perpindahan Massa

Documents