37
Prarancangan Pabrik Polyurethane Proses One Shot
Kapasitas 10.000 tontahun
BAB I I DESKRIPSI PROSES
2.4 Neraca Massa dan Neraca Panas
2.4.1. Neraca massa
Basis perhitungan : 1 jam operasi
KapasitasTahun : 10.000 tontahun
Kapasitas produksijam :
ton kg
x x
x tahun
ton 1000
jam 24
hari 1
hari 330
tahun 1
000 .
10 : 1262.6263 kgjam
Tabel 2.3. Neraca massa total Masuk,kgjam
Keluar, kgjam Arus 1
1051.2843 Arus 12 0.0206
Arus 2 21.0257 Arus 11
24.4589 Arus 3
15.7693 Arus 17 1483.2345
Arus 6 1103.8485 Arus 19
140.2918 Arus 15
1623.5263 Arus 20 1262.6263
Arus 21 18.8911
Arus 22 885.9309
Total 3815.4541
Total 3815.4541
2.4.2. Neraca massa alat
Tabel 2.4. Neraca massa Premix tank PT-01 Komponen
Masuk, kgjam Keluar, kgjam
Arus 1 Arus 2
Arus 3 Arus 4
H[OCH
2
CH
2
CH
2
CH
2
]
n
OH 1050.7587
- -
1050.7587 C
6
H
11
NCH
3 2
- 21.0047
- 21.0047
[CH
3 2
SiO]
4
- -
15.7377 15.7377
H
2
O 0.5256
0.0210 0.0315
0.5782 Subtotal
1051.2843 21.0257
15.7693 1088.0793
Total 1088.0793
1088.0793
38
Prarancangan Pabrik Polyurethane Proses One Shot
Kapasitas 10.000 tontahun
BAB I I DESKRIPSI PROSES
Tabel 2.5. Neraca massa Tangki Penampung-01 Komponen
Masuk, kgjam Keluar, kgjam
Arus 4 Arus 5
H[OCH
2
CH
2
CH
2
CH
2
]
n
OH 1050.7587
1050.7587 C
6
H
11
NCH
3 2
21.0047 21.0047
H
2
O 15.7377
15.7377 [CH
3 2
SiO]
4
0.5782 0.5782
Total 1088.0793
1088.0793 Tabel 2.6. Neraca massa Reaktor R-01
Komponen Masuk, kgjam
Keluar, kgjam Arus 5
Arus 6 Arus 7
C
15
H
10
N
2
O
2
- 1103.7381
892.6078 H[OCH
2
CH
2
CH
2
CH
2
]
n
OH 1050.7587
- 0.5254
R
2
NHCO
2
H 0.0000
- 1261.3636
C
6
H
11
NCH
3 2
21.0047 -
21.0047 H
2
O 0.5782
0.1104 0.6886
[CH
3 2
SiO]
4
15.7377 -
15.7377 Subtotal
1088.0793 1103.8485
2191.9278 Total
2191.9278 2191.9278
Tabel 2.7. Neraca massa centrifuge CF-01 Komponen
Masuk, kgjam Keluar, kgjam
Arus 7 Arus 8
Arus 9 C
15
H
10
N
2
O
2
892.6078 24.6921
867.9157 H[OCH
2
CH
2
CH
2
CH
2
]
n
OH 0.5254
0.0145 0.5108
R
2
NHCO
2
H 1261.3636
1261.3636 0.0000
C
6
H
11
NCH
3 2
21.0047 0.5811
20.4236 H
2
O 0.6886
0.0190 0.6695
[CH
3 2
SiO]
4
15.7377 0.4354
15.3024 Subtotal
2191.9278 1287.1058
904.8220 Total
2191.9278 2191.9278
39
Prarancangan Pabrik Polyurethane Proses One Shot
Kapasitas 10.000 tontahun
BAB I I DESKRIPSI PROSES
Tabel 2.8. Neraca massa Rotary Dryer RD-01 Komponen
Masuk, kgjam Keluar, kgjam
Arus 8 Arus 10
Arus 13 C
15
H
10
N
2
O
2
24.6921 23.4810
1.2111 H[OCH
2
CH
2
CH
2
CH
2
]
n
OH 0.0145
0.0138 0.0007
R
2
NHCO
2
H 1261.3636
- 1261.3636
C
6
H
11
NCH
3 2
0.5811 0.5526
0.0285 H
2
O 0.0190
0.0181 0.0009
[CH
3 2
SiO]
4
0.4354 0.4140
0.0214 Subtotal
1287.1058 24.4795
1262.6263 Total
1287.1058 1287.1058
Tabel 2.9. Neraca massa Cyclone CY-01 Komponen
Masuk, kgjam Keluar, kgjam
Arus 10 Arus 12
Arus 11 C
15
H
10
N
2
O
2
23.4810 0.00234834 23.4787
H[OCH
2
CH
2
CH
2
CH
2
]
n
OH 0.0138
1.3822E-06 0.0138
C
6
H
11
NCH
3 2
0.5526 5.5261E-05
0.5525 H
2
O 0.0181
0.0181 0.0000
[CH
3 2
SiO]
4
0.4140 4.1404E-05
0.4140 Subtotal
24.4795 0.0206
24.4589 Total
24.4795 24.4795
Tabel 2.10. Neraca massa Melter MT-01 Komponen
Masuk, kgjam Keluar, kgjam
Arus 13 Arus 14
C
15
H
10
N
2
O
2
1.2111 1.2111
H[OCH
2
CH
2
CH
2
CH
2
]
n
OH 0.0007
0.0007 R
2
NHCO
2
H 1261.3636
1261.3636 C
6
H
11
NCH
3 2
0.0285 0.0285
H
2
O 0.0009
0.0009 [CH
3 2
SiO]
4
0.0214 0.0214
Subtotal 1262.6263
1262.6263 Total
1262.6263 1262.6263
40
Prarancangan Pabrik Polyurethane Proses One Shot
Kapasitas 10.000 tontahun
BAB I I DESKRIPSI PROSES
Tabel 2.11. Neraca massa Extruder Pelletizer EP-01 Komponen
Masuk, kgjam Keluar, kgjam
Arus 14 Arus 15
Arus 16 C
15
H
10
N
2
O
2
1.2111 -
1.2111 H[OCH
2
CH
2
CH
2
CH
2
]
n
OH 0.0007
- 0.0007
R
2
NHCO
2
H 1261.3636
- 1261.3636
C
6
H
11
NCH
3 2
0.0285 -
0.0285 H
2
O 0.0009
- 0.0009
[CH32SiO]4 0.0214
- 0.0214
Air Pendingin -
1623.5263 1623.5263
Subtotal 1262.6263
1623.5263 2886.1526
Total 2886.1526
2886.1526
Tabel 2.12. Neraca massa Screen Shaker SC-01 Komponen
Masuk, kgjam Keluar, kgjam
Arus 16 Arus 17
Arus 18 C
15
H
10
N
2
O
2
1.2111 -
1.2111 H[OCH
2
CH
2
CH
2
CH
2
]
n
OH 0.0007
- 0.0007
R
2
NHCO
2
H 1261.3636
- 1261.3636
C
6
H
11
NCH
3 2
0.0285 -
0.0285 H
2
O 0.0009
- 0.0009
[CH32SiO]4 0.0214
- 0.0214
Air Pendingin 1623.5263
1483.2345 140.2918
Subtotal 2886.1526
1483.2345 1402.9181
Total 2886.1526
2886.1526
41
Prarancangan Pabrik Polyurethane Proses One Shot
Kapasitas 10.000 tontahun
BAB I I DESKRIPSI PROSES
Tabel 2.13. Neraca massa Rotary Dryer RD-02 Komponen
Masuk, kgjam Keluar, kgjam
Arus 18 Arus 19
Arus 20 C
15
H
10
N
2
O
2
1.2111 -
1.2111 H[OCH
2
CH
2
CH
2
CH
2
]
n
OH 0.0007
- 0.0007
R
2
NHCO
2
H 1261.3636
- 1261.3636
C
6
H
11
NCH
3 2
0.0285 -
0.0285 H
2
O 0.0009
- 0.0009
[CH
3 2
SiO]
4
0.0214 -
0.0214 Air Pendingin
140.2918 140.2918
0.0000 Subtotal
1402.9181 140.2918
1262.6263 Total
1402.9181 1402.9181
Tabel 2.14. Neraca massa Menara Destilasi D-01 Komponen
Masuk, kgjam Keluar, kgjam
Arus 9 Arus 21
Arus 22 C
15
H
10
N
2
O
2
867.9157 0.0005
867.9152 H [ OCH
2
CH
2
CH
2
CH
2
]
n
OH 0.5108
0.5108 0.0000
R
2
NHCO
2
H 0.0000
0.0000 0.0000
C
6
H
11
NCH
3 2
20.4236 17.7102
2.7134 H
2
O 0.6695
0.6695 0.0000
[CH
3 2
SiO]
4
15.3024 0.0000
15.3024 Subtotal
904.8220 18.8911
885.9309 Total
904.8220 904.8220
42
Prarancangan Pabrik Polyurethane Proses One Shot
Kapasitas 10.000 tontahun
BAB I I DESKRIPSI PROSES
2.4.3. Neraca Panas
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