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Perhitungan Efisiensi Gas Turbine Generator dan WHB
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Advanced Drug Delivery Alat Penukar Reviews Volume 64 Issue Kalor
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PT. Petrokimia Gresi
LAMPIRAN
A. CONTOH PERHITUNGAN Perhitungan Efisiensi GTG (Gas Tu r bin e Ge Generator) dan Waste Waste H eat Boi (WHB) dengan Metode Langsung ( Di r ect M ethod )
Asumsi yang digunakan
Gas yang masuk dalam sistem dianggap gas ideal
Reaksi Pembakaran terjadi secara sempurna
Konversi Gas Alam untuk proses pembakaran adalah 100%
Keadaan Standar adalah pada suhu 15°C (60°F) dan tekanan 1 atm
Keadaan Normal adalah pada suhu 0°C (32°F) dan tekanan 1 atm
O2 Excess yang terdapat pada Gas Buang di WHB adalah 2% (%v)
Temperatur udara masuk = 33°C dan udara yamg masuk ke Generator
Gas Turbine
(GTG) adalah udara kering
Komposisi setiap bahan baku dalam fraksi massa (% w)
Konversi Satuan
1 MMSCFD
= 1.000.000 SCFD
1 MMSCFD
= 1241,82 Nm 3/h
1 Nm3/h
= 805,27 SCFD
R
= 82,057 x 10 -3 m3.atm/kgmol .K
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PT. Petrokimia Gresi
Generator (GTG) Neraca Massa di Gas Tu r bin e Ge
Gas Alam
Gas Turbine Generator
Exhaust Gas
Udara
Neraca Panas di Gas Tu r bin e Generator Generator (GTG)
Listrik
Gas Alam
Gas Turbine Generator
Exhaust Gas
Udara
Waste Heat Boil er (WHB) Neraca Massa dan Neraca Panas di Waste
Steam Sign up to vote on this title
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Waste Heat Boiler
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Perhitungan Efisiensi Gas Turbine Generator dan WHB
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Penyelesaian :
Untuk menentukan laju alir udara yang dibutuhkan di GTG maka perhitungan dimulai dari O2 Excess yang ada di Gas Buang WHB
Tabel 1. Komposisi Gas Alam ( 22 Juni 2016) Komposisi Gas Alam
Fraksi Massa (%)
N2
0,506
CO2
0,455
CH4
97,892
C2H6
0,616
C3H8
0,312
I-C4H10 N-C4H10 I-C5H12 N-C5H12
HHV / GHV (BTU/SCF)
1017.81
0,085 You're Reading a Preview 0,063 Unlock full access with a free trial.
0,029
0,015 Download With Free Trial
C6+
0,027
Total
100
1017.81
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1. Laju Alir Komponen Gas Alam di WHB
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Tanggal 1 Juni 2016
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Advanced Drug Delivery Alat Penukar Reviews Volume 64 Issue Kalor