Bab Iv (neraca Massa Dan Energi)

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BAB IV NERACA MASSA DAN NERACA ENERGI

IV.1. NERACA MASSA Basis perhitungan neraca massa 1 jam operasi Kapasitas produksi Asam Nitrat = 631,313 Kg/Jam

IV.1.1. Neraca Massa Mixed point/Ejektor (M-101) Tabel 4.1 Neraca massa pada Ejector / mixed point (M-101)

Komponen NH3 O2 N2 Sub total ∑

Massa input (kg/jam) Aliran 3 109,906 109,906

Massa input (kg/jam) Aliran 20 461,760 1519,962 1981,722 2091,628

Massa output (kg/jam) aliran 4 109,906 461,760 1519,962 2091,628 2091,628

PRA PERANCANGAN PABRIK ASAM NITRAT

NERACA MASSA DAN NERACA ENERGI

IV−2

IV.1.2. Neraca Massa Reaktor (R-101) Tabel 4.2 Neraca massa di Reaktor (R-101)

Komponen NH3 O2 N2 H2O NO ∑

Massa masuk (kg/jam) Aliran 5 109,906 461,760 1519,962 2091,628

Massa keluar (kg/jam) Aliran 6 208,330 1524,487 174,557 184,254 2091,628

IV.1.3. Neraca Massa Steam Superheater (SS-101) Tabel 4.3 Neraca massa Steam Superheater (SS-101)

Komponen NO2 O2 N2 H2O NO ∑

Massa masuk (kg/jam) Aliran 6 208,330 1524,487 174,557 184,254 2091,628

Massa keluar (kg/jam) Aliran 7 14,126 203,417 1524,487 174,557 175,042 2091,628

IV.1.4. Neraca Massa Waste Heat Boiler (WHB-101) Tabel 4.4. Neraca massa Waste Heat Boiler (WHB-101)

Komponen NO2 O2 N2 O 4 N2 H2O NO ∑

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

Massa Masuk (kg/jam) Aliran 7 14,126 203,417 1524,487 174,557 175,042 2091,628

Massa Keluar (kg/jam) Aliran 8 53,178 189,413 1,208 1524,487 174,557 148,785 2091,628

RD. YOGANA D 114.01.0041

PRA PERANCANGAN PABRIK ASAM NITRAT

NERACA MASSA DAN NERACA ENERGI

IV−3

IV.1.5. Neraca Massa Platinum Filter (PF-101) Tabel 4.5. Neraca massa Platinum Filter (PF-101)

Komponen NO2 O2 N2 O 4 H2O N2 NO ∑

Massa masuk (kg/jam) Aliran 8 53,178 189,413 1,208 174,557 1524,487 148,785 2091,628

Massa keluar (kg/jam) Aliran 9 59,995 187,033 1,235 174,557 1524,487 144,322 2091,628

IV.1.6. Neraca Massa Tail Gas Preheater (TGP-101) Tabel 4.6. Neraca massa Tail Gas Preheater (TGP-101)

Komponen NO2 O2 N2 O 4 H2O N2 NO ∑

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

Massa Masuk (kg/jam) Aliran 9 59,995 187,033 1,235 174,557 1524,487 144,322 2091,628

Massa keluar (kg/jam) Aliran 10 111,445 167,790 5,108 174,557 1524,487 108,241 2091,628

RD. YOGANA D 114.01.0041

PRA PERANCANGAN PABRIK ASAM NITRAT

NERACA MASSA DAN NERACA ENERGI

IV−4

IV.1.7. Neraca Massa Kondensor (KD-101) Tabel 4.7. Neraca massa Kondensor (KD-101) Komponen NO2 O2 N2 O 4 H2O N2 HNO3 NO Σ

Massa masuk (kg/jam) Aliran 10 111,445 167,790 5,1078 174,557 1524,487 108,241 2091,628

Massa keluar (kg/jam) Aliran 11 52,168 142,967 19,381 159,378 1524,487 106,252 86,996 2091,628

IV.1.8. Neraca Massa Separator (S-101) Tabel 4.7. Neraca massa Separator (S-101) Komponen NO2 O2 N2 O4 H2O N2 HNO3 NO sub total ∑

Massa masuk (kg/jam) Aliran 11 52,168 142,967 19,381 159,378 1524,487 106,252 86,996 2091,628 2091,628

Massa keluar (kg/jam) Aliran 12

Massa keluar (kg/jam) Aliran 14 52,168 142,967 19,3812 159,378 1524,487 106,252 86,996 1825,998 265,630 2091,628

IV.1.9. Neraca Massa Unit Oksidasi (UO-101) Tabel 4.8. Neraca massa Unit Oksidasi (UO-101) Komponen NO2 O2 N2 O 4 N2 NO sub total ∑

Massa masuk Massa masuk (kg/jam) (kg/jam) Aliran 12 Aliran 18 52,168 142,967 104,040 19,381 45,833 1524,487 391,390 86,996 1825,998 541,264 2367,262

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

Massa keluar (kg/jam) Aliran 13 89,729 1838,917 55,224 379,990 3,402 2367,262 2367,262 RD. YOGANA D 114.01.0041

PRA PERANCANGAN PABRIK ASAM NITRAT

NERACA MASSA DAN NERACA ENERGI

IV−5

IV.1.10. Neraca Massa Cooler (CO-101) Tabel 4.9. Neraca massa Cooler (CO-101) Massa masuk (kg/jam) Aliran 13 89,729 1838,917 55,224 379,990 3,402 2367,262

Komponen NO2 O2 N2O4 N2 NO ∑

Massa keluar (kg/jam) Aliran 15 90,491 1838,554 55,505 379,990 2,722 2367,262

IV.1.11. Neraca Massa Absober (AB-101) Tabel 4.10. Neraca massa Absober (AB-101)

Komponen O2 (g) N2 (g) H2O N2 O4 NO2 HNO3 NO sub total ∑

Massa masuk (kg/jam) Aliran 15 1838,554 379,990 55,505 90,491 2,722 2367,262

Massa masuk (kg/jam) Aliran 28 12,493 12,493 2645,385

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

Massa masuk (kg/jam) Aliran 14 159,378 106,252 265,630

Massa Massa keluar keluar (kg/jam) (kg/jam) Aliran 23 Aliran 16 92,310 1867,268 1,575 252,5253 6,102 45,8333 0,984 378,7879 1968,238 677,146 2645,385

RD. YOGANA D 114.01.0041

PRA PERANCANGAN PABRIK ASAM NITRAT

NERACA MASSA DAN NERACA ENERGI

IV−6

IV.1.12. Neraca Massa Bleaching Column (BC-101) Tabel 4.11. Neraca massa Bleacher Column (BC-101)

Komponen O2 N2 N2 O4 H2O HNO3 sub total ∑

Massa masuk (kg/jam) Aliran 16

Massa masuk (kg/jam) Aliran 22

45,833 252,525 378,788 677,146

104,040 391,390 495,430 1172,577

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

Massa keluar (kg/jam) Aliran 17

Massa keluar (kg/jam) Aliran 18

104,040 391,390 45,833 252,525 378,788 631,313 541,264 1172,577

RD. YOGANA D 114.01.0041

PRA PERANCANGAN PABRIK ASAM NITRAT

IV−7

NERACA MASSA DAN NERACA ENERGI

IV.2. NERACA ENERGI Basis perhitungan

: 1 Jam operasi

Satuan

: kJ

IV.2.1. Neraca Energi Vaporizer (V-101) Tabel 4.2.1. Neraca energi Vaporizer (V-101). Komponen

Masuk (kJ/jam)

Keluar (kJ/jam)

Hin [Aliran 1]

-29.026,522

-

Hout [Aliran 2]

-

2865,347

ΔH penguapan

-

157715,144

QH

189607,013

-

TOTAL

160.580,491

160.580,491

IV.2.2. Neraca Energi Amonia Superheater (H-101) Tabel 4.2.2 Neraca energi Amonia Superheater (H-101) Komponen

Masuk (Kj/jam)

Keluar (Kj/jam)

Hin [Aliran 2 ]

2.865,347

-

Hout [Aliran 3 ]

-

46602,343

QH

43736,996

-

TOTAL

46602,343

46602,343

IV.2.3. Neraca Energi Mixed Point / Ejector (M-101) Tabel 4.2.3. Neraca energi Mixed Point / Ejector (M-101). Komponen

Masuk (kJ/jam)

Keluar (kJ/jam)

Hin [Aliran 3 ; 20 ]

571.911,714

-

Hout [Aliran 4 ]

-

571.911,714

TOTAL

571.911,714

571.911,714

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

RD. YOGANA D 114.01.0041

PRA PERANCANGAN PABRIK ASAM NITRAT

IV−8

NERACA MASSA DAN NERACA ENERGI

IV.2.4. Neraca Energi Heater (H-102) Tabel 4.2.4. Neraca energi Heater (H-102). Komponen

Masuk (kJ/jam)

Keluar (kJ/jam)

Hin [Aliran 4 ]

571911,7141

-

QH

1153171,422

-

Hout [Aliran 5 ]

-

1725083,136

TOTAL

1725083,136

1725083,136

IV.2.5. Neraca Energi Reaktor (R-101) Tabel 4.2.5. Neraca energi di Reaktor (R-101) Komponen

Masuk (Kj/jam)

Keluar (Kj/jam)

Hin [Aliran 5 ]

1725083,136

-

ΔHRo 298

1491,442

-

Hout [Aliran 6 ]

-

1726574,578

TOTAL

1726574,578

1726574,578

IV.2.6. Neraca Energi Steam Superheater (SS-101) Tabel 4.2.6. Neraca energi di Steam Superheater (SS-101) Komponen

Masuk (Kj/jam)

Keluar (Kj/jam)

Hin [Aliran 6 ]

1.726.574,578

-

17,358

-

Hout [Aliran 7]

-

1591116,486

QC

-

135475,450

TOTAL

1.726.591,936

1.726.591,936

ΔHRo 298

total

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

RD. YOGANA D 114.01.0041

PRA PERANCANGAN PABRIK ASAM NITRAT

IV−9

NERACA MASSA DAN NERACA ENERGI

IV.2.7. Neraca Energi Waste Heat Boiler (WHB-101) Tabel 4.2.7. Neraca energi di Waste Heat Boiler (WHB-101) Komponen

Masuk (Kj/jam)

Keluar (Kj/jam)

Hin [Aliran 7]

1.591.116,486

-

ΔHRo 298 total

50,236

-

Hout [Aliran 8]

-

1432814,455

QC

-

158352,268

TOTAL

1.591.166,723

1591166.723

IV.2.8. Neraca Energi Platinum Filterr (PF-101) Tabel 4.2.8. Neraca energi di Platinum Filterr (PF-101) Komponen

Masuk (Kj/jam)

Keluar (Kj/jam)

Hin [Aliran 8]

1.432.814,455

-

8,427

-

Hout [Aliran 9]

-

1432822,883

TOTAL

1.432.822,883

1432822,883

ΔHRo 298

total

IV.2.9. Neraca Energi Absorber (AB-101) Tabel 4.2.9. Neraca energi Absorber (AB-101) Komponen (Hin)1 [Aliran 15] (Hin)2 [Aliran 14] (Hin)3 [Aliran 28] (Hout)1 [Aliran 16] (Hout)2 [Aliran 23] Qc

Masuk (Kj/jam) 91509,842 160028,849 1373,931 -

Keluar (Kj/jam) 97497,333 32181,886 123233,403

TOTAL

252912,623

252912,623

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

RD. YOGANA D 114.01.0041

PRA PERANCANGAN PABRIK ASAM NITRAT

IV−10

NERACA MASSA DAN NERACA ENERGI

IV.2.10. Neraca Energi Bleacher Column (BC-101) Tabel 4.2.10. Neraca energi Bleacher Column (BC-101) Komponen (Hin)1 [Aliran 16] (Hin)2 [Aliran 22] (Hout )1 [Aliran 18] (Hout)2 [Aliran 17]

Masuk (Kj/jam) 97497,333 124331,062 -

Keluar (Kj/jam) 17336,234 204492,161

TOTAL

221828,395

221828,395

IV.2.11. Neraca Energi Tail Gas Warmer (TGW-101) Tabel 4.2.11. Neraca energi Tail Gas Warmer (TGW-101) Komponen (Hin)1 dingin [Aliran 23]

Masuk (Kj/jam) 30496,139

Keluar (Kj/jam) -

(Hin)2 panas [Aliran 21]

125313,642

-

(Hout)2 panas [Aliran 22]

-

118482,424

(Hout)1 dingin [Aliran 24]

-

37327,356

TOTAL

155809,781

155809,781

IV.2.12. Neraca Energi Tail Gas Pre heater (TGP-101) Tabel 4.2.12. Neraca energi Tail Gas Pre heater (TGP-101) Komponen (Hin)dingin Aliran 24 (Hin)panas Aliran 9 (Hout)panas Aliran 10 (Hout )dingin Aliran 25 ΔHRo 298

Masuk (Kj/jam) 37327,356 1432822,883 70,437

Keluar (Kj/jam) 538401,756 931818,920 -

TOTAL

1470220,676

1470220,676

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

RD. YOGANA D 114.01.0041

PRA PERANCANGAN PABRIK ASAM NITRAT

IV−11

NERACA MASSA DAN NERACA ENERGI

IV.2.13. Neraca Energi Unit Oksidasi (UO-101) Tabel 4.2.13. Neraca energi Unit Oksidasi (UO-101) Komponen

Masuk (Kj/jam)

Keluar (Kj/jam)

(Hin)1 [Aliran 12] (Hin)2 [Aliran 18]

74402,013 17336,234

-

ΔHRo 298

63,650

-

(Hout ) [Aliran 13]

-

91801,897

TOTAL

91801,897

91801,897

IV.2.14. Neraca Energi Kondensor (KD-101) Tabel 4.2.14. Neraca energi Kondensor (KD-101) Komponen Hin [Aliran 10]

Masuk (Kj/jam) 538401,756

Keluar (Kj/jam) -

Hout [Aliran 11]

-

234430,862

ΔHRo 298

213,522

-

(Hvap) panas pengembunan

364,307

-

Qc

-

304548,723

TOTAL

538979,585

538979,585

IV.2.15. Neraca Energi Cooler (CO-101) Tabel 4.2.15. Neraca energi Cooler (CO-101) Komponen

Masuk (Kj/jam)

(Hin) [Aliran 13]

91801,897

ΔHRo 298 (Hout ) [Aliran 15] Qc

1,461 -

91509,842 293,515

TOTAL

91803,358

91803,358

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

Keluar (Kj/jam)

RD. YOGANA D 114.01.0041

PRA PERANCANGAN PABRIK ASAM NITRAT

IV−12

NERACA MASSA DAN NERACA ENERGI

IV.2.16. Neraca Energi Economizer (Eco-101) Tabel 4.16. Neraca energi Econimizer (Eco-101) Komponen

Masuk (Kj/jam)

Keluar (Kj/jam)

(Hin)1 dingin [Aliran utilitas]

1501,232

-

(Hin)2 panas [Aliran 26]

159257,206

-

(Hout)2 panas [Aliran 27]

-

140476,700

(Hout )1 dingin

-

20281,738

TOTAL

160758.438

160758,438

IV.2.17. Neraca Energi Turbin Ekspander (TE-101) Tabel 4.17. Neraca energi Turbin Ekspander (TE-101) Komponen

Masuk (kJ/jam)

Keluar (kJ/jam)

Hin [Aliran 25]

931.818,920

-

WT [Kerja Turbin]

772.561,714

Hout [Aliran 26]

-

159.257,206

TOTAL

931.818,920

931.818,920

IV.2.18. Neraca Energi Steam Turbin (ST-101) Tabel 4.18. Neraca energi Steam Turbin (ST-101) Komponen

Masuk (kJ/jam)

Keluar (kJ/jam)

Hin [Aliran Utilitas]

2.750,434

-

WT [Kerja Turbin]

-

2.063,697

Hout [Aliran Utilitas]

-

686,737

TOTAL

2.750,434

2.750,434

INSTITUT TEKNOLOGI I NDONESIA TEKNIK KIMIA ’01

RD. YOGANA D 114.01.0041

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