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BAB V DATA PENGAMATAN DAN PEMBAHASAN 5.1 Data Pengamatan Karbonat Absorber 5.1.1 Kondisi Operasi Karbonat Absorber (C-3501) Tabel 5.1 Kondisi Operasi Karbonat Absorber (C-3501) Pengamatan
Nilai
Satuan
Gas Masuk Train
79.08
MMSCFD
Bottom D-3X01
0.05
%
Flow Karbonat (FIC-3501)
72.375
m3/h
Flow Factor (FIC-3501)
10.00
root
532.485
m3/h
Flow Factor (FIC-3502)
7.58
root
Temp. Feed Gas Inlet (TI-03)
107
°C
Temp. Feed Gas Outlet (TI-04)
102.9
°C
Temp. Carb Inlet 25% (TI-10)
103.5
°C
Temp. Carb Inlet 75% (TI-09)
116.5
°C
Temp. Rich Karbonat (TI-08)
119
°C
46.65
kg/cm2
58
kg/cm2
0.04
%
Flow Karbonat (FIC-3502)
Tekanan Feed Gas (PI-08) Tekanan Lean Karbonat CO2 Remove
Sumber: Main Control Room, data rata-rata dari 24-26 Februari 2018
1.1.2 Komposisi Feed Gas Inlet Karbonat Absorber Tabel 5.2 Komposisi Feed Gas Inlet Karbonat Absorber No.
Komposisi
Fraksi Mol (X)
1
N2
0.00338
2
CO2
0.21735
3
C1
0.71888
4
C2
0.03619
5
C3
0.01241
6
n-C4
0.0033
7
i-C4
0.00291
8
n-C5
0.00111
9
i-C5
0.00163
10
C6+
0.0028
Total
1
Sumber: T & ES Laboratory PT PAG, data rata-rata dari 24-26 Februari 2018
1.1.3
Analisa Benfield Larutan Karbonat Pada Unit 35
Tabel 5.3 Analisa Benfield Larutan Karbonat Pengamatan
Konsentrasi
Spesifikasi
Satuan
SG at 100°C and 0 Fc
1.198
1.235-1.300
-
% K2CO3
14.46
18.0-20.4
%
% KHCO3
15.66
15.2-19.1
%
% EQ. K2CO3
22.46
32.0-33.0
%
% DEA in L. Carb
0.34
3.0-4.0
%
Fc K2CO3 to KHCO3
0.48
0.35-0.40
-
Foaming Height
4.33
6.0 max.
Cm
Colapse Time
1.7
10.0 max.
Sec
Part. Matter
20.7
-
Ppm
Level Carb. Abs/Reg
56/55
-
-
Sumber: T & ES Laboratory PT PAG, data rata-rata dari 24-26 Februari 2018
5.2 Hasil Perhitungan 5.2.1 Neraca Massa Karbonat Absorber Tabel 5.4 Laju Alir Komponen Feed Gas Inlet Karbonat Absorber
BM
Fraksi
(gr/mol)
X
Kmol/h
Kg/h
`N2
28
0.00338
13.315
372.82
2
CO2
44
0.21735
856.2
37672.8
3
C1
16
0.71888
2832
45312
4
C2
30
0.03619
142.57
4277.1
5
C3
44
0.01241
48.9
2151.6
6
n-C4
58.12
0.0033
13
755.56
7
i-C4
58.12
0.00291
11.46
666.05
8
n-C5
72.15
0.00111
4.37
315.3
9
i-C5
72.15
0.00163
6.42
463.2
10
C6+
86
0.0028
11.02
947.72
1
3939.5
92934.15
No .
Komp.
1
Total
Laju Alir Komponen
Tabel 5.5 Laju Alir Komponen Rich Karbonat No
Komponen
BM (Kg/Kmol)
Laju Alir Lean Karbonat Kg/h
Kmol/h
1
K2CO3
138.2
100419.5
726.62
2
KHCO3
100.12
108753
1086.2
3
(C2H4OH)2NH
105
2361.17
22.487
4
H2O
18
212738.7
11821.3
424272.37
19874.6
Total (A)
Tabel 5.6 Laju Alir Komponen Rich Karbonat No
Komponen
BM
Laju Alir Lean Karbonat
(Kg/Kmol)
Kg/h
Kmol/h
1
K2CO3
138.2
-
-
2
KHCO3
100.12
110206.24
11033848.17
3
(C2H4OH)2NH
105
22.487
2361,13
4
H2O
18
11094.7
199704.6
5
CO2
44
129,23
5686.12
121452.7
11241600.02
Total (W)
Nilai
Satuan
Gas Masuk Train
79.08
MMSCFD
Bottom D-3X01
0.05
%
Flow Karbonat (FIC-3501)
72.375
m3/h
Flow Factor (FIC-3501)
10.00
root
532.485
m3/h
Flow Factor (FIC-3502)
7.58
root
Temp. Feed Gas Inlet (TI-03)
107
°C
Temp. Feed Gas Outlet (TI-04)
102.9
°C
Temp. Carb Inlet 25% (TI-10)
103.5
°C
Temp. Carb Inlet 75% (TI-09)
116.5
°C
Temp. Rich Karbonat (TI-08)
119
°C
46.65
kg/cm2
58
kg/cm2
0.04
%
Flow Karbonat (FIC-3502)
Tekanan Feed Gas (PI-08) Tekanan Lean Karbonat CO2 Remove
Sumber: Main Control Room, data rata-rata dari 24-26 Februari 2018
1.1.2 Komposisi Feed Gas Inlet Karbonat Absorber Tabel 5.2 Komposisi Feed Gas Inlet Karbonat Absorber No.
Komposisi
Fraksi Mol (X)
1
N2
0.00338
2
CO2
0.21735
3
C1
0.71888
4
C2
0.03619
5
C3
0.01241
6
n-C4
0.0033
7
i-C4
0.00291
8
n-C5
0.00111
9
i-C5
0.00163
10
C6+
0.0028
Total
1
Sumber: T & ES Laboratory PT PAG, data rata-rata dari 24-26 Februari 2018
1.1.3
Analisa Benfield Larutan Karbonat Pada Unit 35
Tabel 5.3 Analisa Benfield Larutan Karbonat Pengamatan
Konsentrasi
Spesifikasi
Satuan
SG at 100°C and 0 Fc
1.198
1.235-1.300
-
% K2CO3
14.46
18.0-20.4
%
% KHCO3
15.66
15.2-19.1
%
% EQ. K2CO3
22.46
32.0-33.0
%
% DEA in L. Carb
0.34
3.0-4.0
%
Fc K2CO3 to KHCO3
0.48
0.35-0.40
-
Foaming Height
4.33
6.0 max.
Cm
Colapse Time
1.7
10.0 max.
Sec
Part. Matter
20.7
-
Ppm
Level Carb. Abs/Reg
56/55
-
-
Sumber: T & ES Laboratory PT PAG, data rata-rata dari 24-26 Februari 2018
5.2 Hasil Perhitungan 5.2.1 Neraca Massa Karbonat Absorber Tabel 5.4 Laju Alir Komponen Feed Gas Inlet Karbonat Absorber
BM
Fraksi
(gr/mol)
X
Kmol/h
Kg/h
`N2
28
0.00338
13.315
372.82
2
CO2
44
0.21735
856.2
37672.8
3
C1
16
0.71888
2832
45312
4
C2
30
0.03619
142.57
4277.1
5
C3
44
0.01241
48.9
2151.6
6
n-C4
58.12
0.0033
13
755.56
7
i-C4
58.12
0.00291
11.46
666.05
8
n-C5
72.15
0.00111
4.37
315.3
9
i-C5
72.15
0.00163
6.42
463.2
10
C6+
86
0.0028
11.02
947.72
1
3939.5
92934.15
No .
Komp.
1
Total
Laju Alir Komponen
Tabel 5.5 Laju Alir Komponen Rich Karbonat No
Komponen
BM (Kg/Kmol)
Laju Alir Lean Karbonat Kg/h
Kmol/h
1
K2CO3
138.2
100419.5
726.62
2
KHCO3
100.12
108753
1086.2
3
(C2H4OH)2NH
105
2361.17
22.487
4
H2O
18
212738.7
11821.3
424272.37
19874.6
Total (A)
Tabel 5.6 Laju Alir Komponen Rich Karbonat No
Komponen
BM
Laju Alir Lean Karbonat
(Kg/Kmol)
Kg/h
Kmol/h
1
K2CO3
138.2
-
-
2
KHCO3
100.12
110206.24
11033848.17
3
(C2H4OH)2NH
105
22.487
2361,13
4
H2O
18
11094.7
199704.6
5
CO2
44
129,23
5686.12
121452.7
11241600.02
Total (W)
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