LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Crusher Kode Alat
Fungsi
Biomassa
TKS
C6H10O5 = 50 % C6H10O5 = 50 %
H2O = 65 % H2O = 50 %
F1 = F2
F1 = 5181,11 Kmol/Jam
F1 = F2 = 5181,11 Kmol/Jam
= 839339,759 Kg/Jam
Dibuat Diperiksa Disetujui
Crusher
F4F1
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Rotari Dryer Kode Alat
Fungsi
H2O = 100 %
C6H10O5 = 50 % C6H10O5 = 90 %
H2O = 50 % H2O = 10 %
Analisa DOF
MB CB
Jumlah variasi aliran 5 5+5
Jumlah persamaan independen 2 2+1
Jumlah variasi spesifik 3 3+4
Jumlah 0 0
Basis F2 = 5181,11 Kmol/Jam
NMT
F2 = F3 + F4
5181,11 = F3 + F4
NMK
C6H10O5
F2 . 0,5 = F4 . 0,9
5181,11 . 0,5 = F4 . 0,9
F4 = 2590,55 Kmol/Jam
F3 = F2 – F4
= 5181,11 – 2590,55
= 2302,7153 Kmol/Jam
Dryer
F3
F4F1
T = 60 0F
Komposisi aliran
F2 C6H10O5 = 50 % . 5181,11 = 2590,55 Kmol/Jam = 419669,88 Kg/Jam
F2 H2O = 50 % . 5181,11 = 2590,55 Kmol/Jam = 466299,9 Kg/Jam
F3 H2O = 100 % . 2302,715 = 2302,715 Kmol/Jam = 41448,87 Kg/Jam
F4 C6H10O2 = 90 % . 2878,394 = 2590,55 Kmol/Jam = 419669,8 Kg/Jam
F4 H2O = 10 % . 2878,394 = 287,839 Kmol/Jam = 5181,1096 Kg/Jam
Komponen Input (Kmol/Jam) output (Kmol/Jam) input (Kg/Jam) output (Kg/Jam)
F2 F3 F4 F2 F3 F4
C6H10O5 2590,55 0 2590,55 419670 0 419670
H2O 2590,55 2302,715 287,839 466,30 41449 5181,1
Total 5181,11 5181,11 466300 466199,86
Dibuat Diperiksa Disetujui
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Separator Pressure swing adsorption (PSA) Kode Alat
Fungsi Memisahkan N2 dan O2 dengan mengikat N2 menggunakan absorber
zeolit
N2 teradsorpsi
Air
N2 = 79 %
O2 = 21 %
O2
Analisa DOF
MB
Jumlah variasi aliran 4
Jumlah persamaan independen 2
Jumlah variasi spesifik 2
Jumlah subside 0
Jumlah 0
O2 yang dibutuhkan pada gasifier = 0,3 Kg/kg berat kering biomassa
Berat kering biomassa = 419669,88 Kg/Jam
O2 dibutuhkan = 0,3 . 419669,88 = 125900,964 Kg/Jam
= 3934,4051 Kmol/Jam
= F7
NMT
F5 = F6 + F7
F5 = F6 + 3934,4051
NMK O2 NMK N2
0,21 . F5 = 3934,4051 F6 = F5 – F7
F5 = 18735,262 Kmol/Jam F6 = 18735,26249 – 3934,405722
F6 = 14801 Kmol/Jam = 414424,01 Kg/Jam
F7
F6
F5
Komposisi aliran
F2 O2 = 21 % . 18735,262 Kmol/Jam = 3934,405122 Kmol/Jam = 125900,964 Kg/Jam
F5 N2 = 79 % . 18735,262 Kmol/Jam = 14800,857 Kmol/Jam = 414424,006 Kg/Jam
F6 N2 = 100 % . 14800,857 Kmol/Jam = 14800,854 Kmol/Jam = 414424,01 Kg/Jam
F7 O2 = 100 % . 3934,405122 Kmol/Jam = 3934,4051 Kmol/Jam = 125900,964 Kg/Jam
Komposisi Input (Kmol/Jam) output (Kmol/Jam) input (Kg/Jam) output (Kg/Jam)
F5 F6 F7 F5 F6 F7
O2 3934,40 0 3934,40 125901 0 125900,96
N2 14800,85 14800,85 0 414424 414424 0
Total 18735,26249 18735,26249 540325 540325
Dibuat Diperiksa Disetujui
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Boiler Kode Alat
Fungsi Menghasilkan steam dari utilitas
H2O (l) H2O (g)
Steam yang dibutuhkan pada gasifier
= 0,3 Kg/kg berat kering biomassa
Berat kering bio massa = 419669,88 Kg/Jam
F8 = 0,3 . 419669,88 Kg/Jam
= 125900,964 Kg/Jam
= 6994,49799 Kmol/Jam
F8 = F9 = 6994,498 Kmol/Jam
= 125901 Kg/Jam
Komponen Input (gr) Output (gr)
F8 F9
H2O 125901 -
Steam - 125900,964
Total 125901 125900,964
Dibuat Diperiksa Disetujui
F9F8
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Gasifier Kode Alat
Fungsi Menghasilkan synthesis gas dari biomassa
CO = 22,10 %
C6H10O5 = 90 % H2 = 46 % 18,46
H2O = 10 % CO2 = 31 %
CH4 = 1 %
Ash = 7,54 %
O2 Char = 21,26 %
H2O = 52,83 %
Steam
F4 = 2878,394 Kmol/Jam
F5 = 3934,40512 Kmol/Jam
F6 = 6994,49799 Kmol/Jam
NMT
F10 = F4 + F7 + F9
= 2878,394 + 3934,394 + 6994,49799
= 13807,3 Kmol/Jam
F4 H2O = 0,1 . 2878,394 = 287,83 Kmol/Jam
F9 H2O = 6994,498 Kmol/Jam
Komposisi keluaran
F10 CO = 22 % ( 18,46 x 13807,3 ) = 563,2907 Kmol/Jam
F10 CO2 = 31 % ( 18,46 x 13807,3 ) = 785,0387 Kmol/Jam
F10 H2 = 46 % ( 18,46 x 13807,3 ) = 1177,55812 Kmol/Jam
F10 CH4 = 1 % ( 18,46 x 13807,3 ) = 22,9394 Kmol/Jam
F10H2O = 52,74 % . 13807,3 = 7281,96 Kmol/Jam
F10Ash = 7,54 % . 13807,3 = 1041,0702 Kmol/Jam
F10 Char = 21,26 % . 13807,3 = 2935,431 Kmol/Jam
Komponen input (Kmol/Jam) output (Kmol/Jam)
F4 F7 F9 F10
H2 - - - 1177,558116
CO - - - 563,2907
F7
F10
F4
F9
Dibuat Diperiksa Disetujui
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Cyclone 1 Kode Alat
Fungsi Memisahkan produk syngas dari impurities
H2 H2
CO CO
CO2 CO2
CH4 CH4
Impurities
NMT
F10 = F11 + F12
13807,2974 = F11 + F12
Konversi = 99 %
F12 Ash = 99 % . 1041,0702 = 1030,6595 Kmol/Jam
Char = 99 % . 2935,43 = 2906,077 Kmol/Jam
F12 = 1030,6595 + 2906,077
= 3936,736621 Kmol/Jam
F11 = F10 + F12
= 13807,2974 + 3936,73
= 9870,5607 Kmol/Jam
Komposisi input (Kmol/Jam) output (Kmol/Jam)
F10 F11 F12
H2 1177,5581 1177,55812 -
CO 563,2907 563,290708 -
F10F10 = 13807,2974 Kmol/Jam
CO = 563,290787 Kmol/Jam
CO2 = 785,0387 Kmol/Jam
H2 = 1177,5518 Kmol/Jam
CH4 = 22,9394 Kmol/Jam
Konversi
99 %
F11
F12
F11 = 9870,56 Kmol/Jam
CO = 563,29 Kmol/Jam
CO2 = 785,038 Kmol/Jam
H2 = 1177,55 Kmol/Jam
CH4 = 22,9394 Kmol/Jam
Ash = 10,410 Kmol/Jam
Char = 29,354 Kmol/Jam
H2O = 7281,968 Kmol/Jam
F12 = 3936,7366 Kmol/Jam
Ash = 1030,6595 Kmol/Jam
Dibuat Diperiksa Disetujui
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Cyclone 2 Kode Alat
Fungsi Memisahkan Ash dan Char
H2 H2
CO CO
CO2 CO2
CH4 CH4
Impurities
NMT
F11 = F13 + F14
9870,6 = F11 + F12
Konversi = 99 %
F14 Ash = 99 % . 10,411 = 10,307 Kmol/Jam
Char = 99 % . 29,354 = 29,061 Kmol/Jam
F14 = 10,307 + 29,061
= 39,367 Kmol/Jam
F13 = F11 + F14
= 9870,67 + 39,367
= 9831,2 Kmol/Jam
Komposisi input (Kmol/Jam) output (Kmol/Jam)
F10 F11 F12
H2 1177,6 1177,6 -
CO 563,29 563,29 -
F11 Konversi
99 %
F13
F14
F13 = 9831,2 Kmol/Jam
CO = 563,29 Kmol/Jam
CO2 = 785,04 Kmol/Jam
H2 = 1177,6 Kmol/Jam
CH4 = 22,939 Kmol/Jam
Ash = 0,1041 Kmol/Jam
Char = 0,2935 Kmol/Jam
H2O = 7282 Kmol/Jam
F12 = 39,367 Kmol/Jam
Ash = 10,307 Kmol/Jam
F11 = 9870,6 Kmol/Jam
CO = 563,29 Kmol/Jam
CO2 = 785,04 Kmol/Jam
H2 = 1177,6 Kmol/Jam
CH4 = 22,939 Kmol/Jam
Ash = 10,411 Kmol/Jam
Char = 29,354 Kmol/Jam
H2O = 7282 Kmol/Jam
Dibuat Diperiksa Disetujui
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Steam methane reformer Kode Alat
Fungsi Mengubah kembali methane menjadi syngas
H2 H2
CO CO
CO2 CO2
CH4 CH4
Reaksi 1
CH4 + H2O CO + 3H2
m 22,93944 - 563,290 1177,5581
r 20,6454 20,645 20,64251 61,934
s 2,2939 20,645 583,93 1239,4946
Jadi air yang dibutuhkan = 20,64 Kmol/Jam
= 371,5652 Kmol/Jam
Komposisi input (Kmol/Jam) output (Kmol/Jam)
F13 F11
CO 15 77,14 16350,21
CO2 34541,70 34541,70
H2 2355,11 2478,9892
CH4 367,03 36,703
H2O 131075,43 130703,81
Total 18411,429 18411,429
F13
Reformer F15
F15 = 9872,08672 Kmol/Jam
CO = 563,9362 Kmol/Jam
CO2 = 785,0387 Kmol/Jam
H2 = 1239,4946
F13 = 9830,79572 Kmol/Jam
CO = 563,2907 Kmol/Jam
CO2 = 785,0387 Kmol/Jam
H2 = 1177,55,812 Kmol/Jam
Dibuat Diperiksa Disetujui
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Absorber Kode Alat
Fungsi
CO CO
CO2 CO2
CH4 CH4
Konversi = 99,66 %
F CO2 = F CO2 . 99,66 %
= 785,038 . 99,66 %
= 782,3696 Kmol/Jam
Komponen input (Kmol/Jam) output (Kmol/Jam)
F15 F16 F17 F18
H2 583,936 - 583,9362 -
CO 785,038 - 2,66913 782,2564
CO2 1239,49 - 1239,494 -
CH4 2,2939 - 2,29394 -
Ash 7261,323 5130,29 7261,323 5130,29
MEA - 1282,5731 - 1282,57
Total 16284,95239 16284,95239
F18 = 7195,23
CO2 = 782,3696 Kmol/Jam
20 % MEA = 1282,57 Kmol/Jam
F14
F11
F13
F15
F17 = 9831,2 Kmol/Jam
CO = 563,9362 Kmol/Jam
CO2 = 2,6691 Kmol/Jam
H2 = 1239,49 Kmol/Jam
F15 = 9872,086 Kmol/Jam
CO = 563,9362 Kmol/Jam
CO2 = 785,038 Kmol/Jam
H2 = 1239,4946
F16 = 9872,086
MEA = 20 % = 1282,3876 Kmol/Jam
H2O = 880 % = 5129,5502
Dibuat Diperiksa Disetujui
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Stripper Kode Alat
Fungsi Untuk mericycle MEA untuk proses absorbsi
Air
N2 = 79 %
O2 = 21 %
Komponen input (Kmol/Jam) output (Kmol/Jam)
F18 F19 F20
CO2 782,3696 782,36 -
MEA 1282,573 - 1282,57
H2O 5130,29 - 5130,29
Total 7195,23 7195,23
Stripper
CO2
782,3696 Kmol/JamF18 = 7195,2352
Kmol/Jam
CO2 = 782,36 Kmol/Jam
MEA = 1282,387 Kmol/Jam
H2O = 5129,550 Kmol/Jam
F20
F19
F18
F18 = 6412,88 Kmol/Jam
MEA = 1282,577 Kmol/Jam
Dibuat Diperiksa Disetujui
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Reaktor Kode Alat
Fungsi Untuk mengkonversi produk dari absorbs menjadi metanol
CO CO
CO2 CO2
CH4
Reaksi 1
CO + 2H2 → CH3OH
583,93 1239,49 -
554,73 1109,47 554,73
29,1968 130,02 554,7394
Reaksi 2
CO + 3H2 → CH3OH + H2O
2,66913 130,01 554,7394 7261,3231
2,535675 7,60702 2,5356 2,5356
0,1334 122,4086 557,2751 7263,85
Komponen input (Kmol/Jam) output (Kmol/Jam)
F17 F21
CH3OH - 17832,80
CO 16350,21 817,5108
F21
F17
F17 = 9089,717 Kmol/Jam
CO = 583,93 Kmol/Jam
CO2 = 2,6691 Kmol/Jam
H2 = 1239,49 Kmol/Jam
F21 = 7975,16 Kmol/Jam
CO = 557,27 Kmol/Jam
CO2 = 0,1334 Kmol/Jam
H2 = 122,40
Konversi 95 %
F CO bereaksi = 95 % . F17 CO
= 95 % . 583,93
= 554,73
F CO2 bereaksi = 95 % . F17 CO2
= 95 % . 2,6691
= 2,535308 Kmol/Jam
Dibuat Diperiksa Disetujui
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Flushdrum Kode Alat
Fungsi
CO CO
CO2 CO2
CH4
Komponen input (Kmol/Jam) output (Kmol/Jam)
F21 F22 F23
H2 557,2751 - 557,1945
CO 29,19 29,1968 -
CO2 0,13 0,1334 -
CH4 2,2939 2,2939 -
H2 122,40 122,40 -
H2O 7263,8588 - 7263,8588
Total 7975,1668 7975,1668
F23
F22
F13
F21
FlashdrumF21 = 7975,16 Kmol/Jam
CO = 557,27 Kmol/Jam
CO2 = 0,1334 Kmol/Jam
H2 = 122,40
F21 = 154,0328 Kmol/Jam
CO = 29,1968 Kmol/Jam
CO2 = 0,1334 Kmol/Jam
F23 = 7821,1339 Kmol/Jam
CH3OH = 2,2939 Kmol/Jam
H2O = 7263,85
Dibuat Diperiksa Disetujui
LEMBAR PERHITUNGAN NERACA MASSA DAN NERACA ENERGI
Nama Alat Distilasi Kode Alat
Fungsi
CO2
CH4
H2O = 7263,02163
F24 H2O = 0,15%
99,85% . 557,27514 = 0,837168 Kmol/Jam
F25 H2O = F23 H2O – F24 H2O = 7263,85 – 0,837168
= 7263,02163 Kmol/Jam
Komponen input (Kmol/Jam) output (Kmol/Jam)
F21 F22 F23
CH3OH 17832,80 17832,80 0
H2O 130749,45 15,0690 130734,389
Total 148582,26 148582,26
F23 = 7821,1339 Kmol/Jam
CH3OH = 557,1945 Kmol/Jam
F25
F24
F13F23
Distilasi
F24 = 558,1123 Kmol/Jam
CH3OH 99,85 % = 557,27514 Kmol/Jam
Dibuat Diperiksa Disetujui
Top Related