per mass

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))(

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


Komponen A B Cbenzene 13.782 2726.81 217.572toluene 13.932 3056.96 217.625xylene 14.042 3358.79 212.041

101.3 KpaV 0 L 100

diinginkan di distilat 95% benzene1% toluene

1. Menghitung Feed Temperatur pada titik didihnya

Tf 112.21

Komponen xf Ki yi xi Keteranganbenzene 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

2. Menghitung top temperatur (dew point)

TD 95.775 Tebak nilai T hingga nilai XD/Ki = 1


C Tebak nilai T hingga nilai yi = 1

Pisat

C

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

Komponen xf mol feed D B xD xB Ki xD/Kibenzene 0.2 20 19 1 0.892019 0.0127064803 160.7241 1.586615471 0.56221toluene 0.3 30 0.3 29.7 0.014085 0.3773824651 65.22315 0.64386133 0.02188xylene 0.5 50 2 48 0.093897 0.6099110546 22.8697 0.2257620494 0.41591

Total 1 100 21.3 78.7 1 1 1

nilai yD=xD

3. Menghitung bottom temperatur (bubl point)

TB 134.56 Tebak nilai TB hingga nilai xB/Ki = 1

Komponen xf mol feed D B xD xB Ki xB/Kibenzene 0.2 20 19 1 0.892019 0.0127064803 419.1425 4.1376355634 0.00307toluene 0.3 30 0.3 29.7 0.014085 0.3773824651 190.9566 1.8850598642 0.2002xylene 0.5 50 2 48 0.093897 0.6099110546 77.54672 0.7655154642 0.79673

Total 1 100 21.3 78.7 1 1 1

4. Jumlah stage minimum (Nm)

Komponen Ki aveD F B D F Bbenzene 1.5866 3.664708 4.137636 7.027822 6.431817 5.4050319777 6.2515toluene 0.6439 1.421306 1.88506 2.851947 2.494491 2.4624713051 2.597157xylene 0.2258 0.569778 0.765515 1 1 1 1

Nm 8.402627 xLK,D 0.892019

Pisat

C

Pisat

xHK,D 0.014085xLK,B 0.012706xHK,B 0.609911

5. Cek komposisi di Bottom dan distillate

Komponen xf mol feed D B ave D B Asumsi Asumsi Calc Calc D

benzene 0.2 20 20 0 6.2515 49285.960284 19.99959 0.0004057868 0.00toluene 0.3 30 28.5 1.5 2.597157 30.707070707 29.05384 0.9461611978 0.55xylene 0.5 50 0.5 49.5 1 0.0101010101 0.5 49.5 0.00

Total 1 100 49 51 49.55343 50.446566985

6. Refluks Minimum (Rm)

bernilai nol

Komponen xf mol feedD B

xD xB 1.510006089

Calc Calcbenzene 0.2 20 19.99959 0.000406 0.403597 8.043894E-006 6.2515 0.2636932628toluene 0.3 30 29.05384 0.946161 0.586313 0.0187557103 2.597157 0.7166871897xylene 0.5 50 0.5 49.5 0.01009 0.9812362458 1 -0.980380453

Total 1 100 49.55343 50.44657 1 1 0

menentukan refluks minimum (Rm)

Komponen xf mol feedD B

xD xB 1.5100060887

Calc Calcbenzene 0.2 20 19.99959 0.000406 0.403597 8.043894E-006 6.2515 0.5321284452toluene 0.3 30 29.05384 0.946161 0.586313 0.0187557103 2.597157 1.4006775322

iNM(nHD/nHW)

Menentukan nilai Tebak hingga

ave iXi,f/(i-)

ave iXi,f/(i-)

xylene 0.5 50 0.5 49.5 0.01009 0.9812362458 1 -0.019784309

Total 1 100 49.55343 50.44657 1 1 1.913021668

Rm + 1 1.913Rm 0.913

7. Jumlah stage

Rm 0.913R 2.7391 0.4884Nm 8.4026

N-Nm/N+1 0.256

N 11.64 Jumlah stage aktual

8. Letak feed plate

Xf,HK 0.5Xf,LK 0.3XB,LK 0.0188XD,HK 0.0101B 50.447D 49.553

log Nr/Ns 0.1582Nr/Ns 1.4395

N = Nr + Ns

Nr 6.868 Letak feed plate

Ns 4.7708

Total stage 11.639

2.66 0.3353451.03 0.0136740.42 0.2235640.17 0

0.572583

Keterangan

Keterangan

_=_/_

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

xD xBB0.00 0.403597 8.04E-006

-0.55 0.586313 0.0187560.00 0.01009 0.981236

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!

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


C Tebak nilai T hingga nilai yi = 1

Pisat

C

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

sheetshort-cutSheet1

per mass

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