BAB IV NERACA ENERGI
Basis perhitungan = 1 jam
Satuan operasi = kJjam
Temperatur referensi = 25
o
C 298 K
4.1 Pelletizing Machine L-102
Tabel 4.1 Neraca Panas Pelletizing Machine L-102
Komponen Masuk kJ
Keluar kJ
SiO
2
104.662,8578 130.875,3542
C 90.597,4426
106.433,9294 Na
2
O 367,0758
1.112,5017 FePO
4
179,6469 553,6239
H
2
O 2.377,4888
7.143,1090 Jumlah
198.184,5119 246.118,5182
Q 47.934,0063
-
Total 246.118,5182
246.118,5182
4.2 Bucket Elevator C-110
Tabel 4.2 Neraca Panas Bucket Elevator C-110
Komponen Masuk kJjam
Keluar kJjam H
8
H
9
SiO
2
104.662,8578 117.694,0320
C 90.597,4426
98.420,5688 Na
2
O 367,0758
738,0474 FePO
4
179,6469 364,0521
H
2
O 2.377,4888
4.758,5962 Jumlah
198.184,5119 221.975,2965
Q -
24.143,2217
Total 246.118,5182
246.118,5182
UNIVERSITAS SUMATERA UTARA
4.3 Burner B-101
Tabel 4.3 Neraca Panas pada Burner B-101
Komponen Masuk kJjam
Keluar kJjam H
10
H
12
H
13
CH
4
5.112,6799 -
- C
2
H
6
443,7384 -
- C
3
H
8
102,9997 -
- C
4
H
10
136,5174 -
- O
2
- 12.120,7192
912.458,6299 N
2
- 51.908,4869
15.324.661,3469 CO
2
- -
1.034.452,2923 H
2
O -
- 2.480.695,4730
Jumlah 5.795.9355
64.029,2061 19.752.267,7422
Sub Total
69.825.1415 19.752.267,7422
∆Hr 19.682.442.6006
- Q
- -
Total 19.752.267.7422
19.752.267,7422
4.4 Rotary Kiln Pre-Heater B-102
Tabel 4.4 Neraca Panas Rotary Kiln Pre-Heater B-102
Komponen Masuk kJjam
Keluar kJjam H
9
H
13
H
15
H
14
SiO
2
117.694,0320 -
2.671.355,9083 -
C 98.420,5688
- 1.673.793,8874
- FePO
4
364,0521 -
37.597,9135 -
Na
2
O 738,0474
- 58.688,3334
- H
2
O 4.758,5962
2.480.695,4730 -
4.934.335,2931 O
2
- 912.458,6299
- 635.351,9220
N
2
- 15.324.661,3469
- 9.142.371,2023
UNIVERSITAS SUMATERA UTARA
Tabel L.B.8 Neraca Energi pada Rotary Kiln…….. Lanjutan
CO
2
- 1.034.452,2923
- 820.748,5786
Jumlah 221.975,2965 19.752.267,7422 4.441.436,0427
15.532.806,9960 Sub Total
19.974.243,0387 19.974.243,0387
∆Hr
- -
Q -
-
Total 19.974.243,0387
19.974.243,0387
4.5 Electric Furnace B-103
Tabel 4.5 Neraca Panas Electric Furnace B-103
Komponen Masuk kJjam
Keluar kJjam H
15
H
16
H
17
H
18
SiO
2
2.671.355,9083 -
- 255.595,3521
C 1.673.793,8874
- -
237.645,8671 FePO
4
37.597,9135 -
- 143.242,0035
Na
2
O 58.688,3334
- -
219.255,9652 SiC
- -
- 41.98.999,2511
O
2
- 8.070,748
- -
N
2
- 38.384,7444 24.705.031,1608
- CO
2
- -
7.849.714,6188 -
Jumlah 4.441.436,0427 46.454,8192 32.554.745,7796 5.054.738,4390
Sub Total 4.487.890,8619
37.609.484,2186 ∆Hr
3.128.641,0432 -
Q 29.992.952,3136
- Total
37.609.484,2186 37.609.484,2186
UNIVERSITAS SUMATERA UTARA
4.6 Cooling Yard A-101