IV - 2
Pra Rencana Pabrik Urea Formaldehyde Concentrate Jumlah
12298,6991 Jumlah 290187,3988
Entalpi recycle metanol dari F - 112 Entalpi metanol cair ke V - 115
CH
3
OH 8032,1390 CH
3
OH 8032,1390
HCHO 332,8482 HCHO
332,8482 HCOOH
0,0405 HCOOH 0,0405
H
2
O 637,9125 H
2
O 637,9125
Jumlah 9002,9402 Jumlah
9002,9402 Q supply
286065,2686 Q loss 14303,2634
Total 313493,6024 Total
313493,6024
3. Heater udara E – 119
Masuk kkal
Keluar kkal
Entalpi udara dari G - 118 : Entalpi udara ke E - 120
O
2
797,2987 O
2
6589,0450 N
2
3093,4973 N
2
25494,6877 H
2
O 144,8392 H
2
O 1198,6319
Jumlah 4035,6352
Q supply 30786,0310
Q loss 1539,3016
Total 34821,6662 Total
34821,6662
4. Gas heater 1 E – 120
Masuk kkal
Keluar kkal
Entalpi metanol +udara dari MP : Entalpi metanol + udara ke E
121 : CH
3
OH 205921,2819 CH
3
OH 297408,5773
HCHO 7217,2298 HCHO
29731,5145 HCOOH
1,9933 HCOOH 13820,8106
H
2
O 78245,5257 H
2
O 1,5161
N
2
25494,6877 N
2
197463,4908
IV - 3
Pra Rencana Pabrik Urea Formaldehyde Concentrate
O
2
6589,0450 O
2
51697,2550
Jumlah 323469,7634 Jumlah
590123,1644 Entalpi flue gas dari R – 130 :
Entalpi flue gas ke E – 131:
HCHO 1149234,5027 HCHO
961108,4673 CH3OH
174115,8858 CH3OH 148214,4490
H2O 163524,7164 H2O
142758,3303 N2
382089,7022 N2 334799,3390
H2 211483,3165 H2
188794,6812 CO
403992,3479 CO 321882,1129
CO2 48088,0316 CO2
41718,5623 HCOOH
59,5338 HCOOH 51,0953
HCOOCH3 201,3075 HCOOCH3
164,8090
Jumlah 2532789,3445 Jumlah
2139491,8463 Q loss
126639,4672
Total 2856259,1079 Total
2856259,1079
5. Gas heater 2 E – 125
Masuk kkal
Keluar kkal
Entalpi metanol + udara dari E – 120: Entalpi metanol + udara ke R - 130 :
CH
3
OH 297408,5773 CH
3
OH 627457,4011
HCHO 29731,5145 HCHO
56303,0528 HCOOH
13820,8106 HCOOH 31405,2358
H
2
O 1,5161 H
2
O 3,1244
N
2
197463,4908 N
2
368508,4467 O
2
51697,2550 O
2
96475,2587
Jumlah 590123,1644 Jumlah
1180152,5195
Q supply 621083,5320 Q loss
31054,1769
Total 1211206,6964 Total
1211206,6964
IV - 4
Pra Rencana Pabrik Urea Formaldehyde Concentrate 6.
Reaktor Fixed bed R – 210 Masuk
kkal Keluar
kkal Entalpi metanol +udara dari E - 121 : Entalpi produk gas ke E - 131 :
CH
3
OH 627457,4011 HCHO
1149234,5027 HCHO
56303,0528 CH3OH 174115,8858
HCOOH 31405,2358 H2O
163524,7164 H
2
O 3,1244 N2
382089,7022 N
2
368508,4467 H2 211483,3165
O
2
96475,2587 CO 403992,3479
Jumlah 1180152,5195 CO2
48088,0316 Entalpi reaksi
Eksotermis : HCOOH
59,5338 1431602,8911 HCOOCH3
201,3075
Jumlah 2532789,3445
Q terserap 78966,0661
Total 2611755,4106 Total
2611755,4106
7. Absorber D – 220
