Neraca Massa$$

Keterangan Gambar

GD Gudang EV EvaporatorT Tangki Penyimpan CR CrystallizerS Silo RD Rotary Drier

RK Rotary Kiln M MixerRC Rotary Cooler HP HopperR Reaktor CY SiklonF Filter BL Blower

BM Ball Mill LI Level IndicatorSCR Screening LC Level ControllerBF Bag Filter FC Flow ControllerH Heater PC Pressure ControllerBE Bucket Elevator TC Temperature ControllerBC Belt Conveyor WC Weight ControllerP Pompa VR Volum Recorder

Nomor ArusSuhu (oC)Tekanan (atm)Control ValveElectric ConnectionUdara InstrumenPiping Line

Neraca Massa (dlm kg/jam)

No KomponenNomor Arus

1 2 3 4 5 6 71 MgCO3 1073.35 10.73 8.95 8.952 MgO 10.72 518.68 113.20 37.853 MgSO4 954.00 1179.014 Fe2O3 130.95 130.95 109.23 109.235 CaO 14.85 14.85 12.39 12.396 SiO2 113.40 113.40 94.59 94.597 Al2O3 22.95 22.95 19.14 19.148 Ni 2.70 2.70 2.25 2.259 As 8.10 8.10 6.76 6.7610 MgSO4.7H2O11 H2O 24.23 4259.89 4284.12 3716.35 3750.0312 H2SO4 1211.63 1211.63 233.34 49.9913 CO214 N215 O216 CH417 C3H818 C2H619 C4H10

Total 1377.03 822.37 1235.86 4259.89 5495.75 5270.21 5270.21

Nomor Arus8 9 10 11 12 13 14 15 168.95 10.73

21.63 25.931227.45 1227.45 1227.45 1227.45109.23 130.9512.39 14.8594.59 113.4019.14 22.952.25 2.706.76 8.10

3757.28 186.22 62.07 3881.43 1094.63 2786.80 706.31 2080.49 675.4710.53 10.53 10.53 10.53

5270.21 186.22 391.70 5119.40 1094.63 4024.77 706.31 3318.46 675.47

Nomor Arus17 18 19 20 21 22 23 24 25

1227.45 488.93

2012.05 2512.641405.01 1125.01 6.30 317.68 160.68 157.00 1058.09 457.08

10.53 12.62 6.311574.50

8826.51 6344.72 2481.79 6344.72 2481.79914.25 160.68 753.57 321.08 753.57

384.8214.032.172.85

2642.99 3638.61 2525.25 10058.44 6666.08 3392.36 9298.39 3692.44 403.86

Pabrik Magnesium Sulfat dari Magnesium CarbonatePerhitungan Neraca Massa (dalam kg/jam)

Basis : 20000 ton/tahun20000000 kg Epsom / tahun

Pabrik beroperasi : 330 hari/tahunProduksi : 2525.25253 kg Epsom / jam

Perhitungan Jumlah Umpan

Produk MgSO4.7H2O

Dirancang : Kemurnian produk (MgSO4.7H2O) = 99.50 %-wtSehingga : Jumlah MgSO4.7H2O dalam produk = 2512.6446 kg/jam

BM MgSO4.7H2O = 246.469 kg/kmolMol MgSO4.7H2O = 10.194566 kmol/jam

Keterangan : Proses kristalisasi terjadi secara bertahap mulai dari Evaporator sampai Rotary Drier.Proses kristalisasi : MgSO4 + 7H2O --------> MgSO4.7H2O

Rotary Drier

Akibat adanya penguapan H2O di drier menyebabkan MgSO4 sisa mengalami pengkristalan.

Dirancang : Mol MgSO4.7H2O di umpan Drier = 0.80 Mol MgSO4.7H2O di produk= 8.1634992 kmol/jam

Mol MgSO4 di umpan Drier = 2.0310672 kmol/jam

Centrifuge

Asumsi : Jumlah MgSO4 yang terbuang di filtrat = Jumlah MgSO4 di dalam cake (umpan drier)

Mol MgSO4 di cake = 2.0310672 kmol/jamMol MgSO4 di filtrat = 2.0310672 kmol/jamMol MgSO4 di umpan = 4.0621345 kmol/jam

Evaporator

Mol MgSO4 di umpan Evaporator sama dengan mol MgSO4 yang terbuang di filtrat dan mol MgSO4.7H2O produk

Mol MgSO4 di umpan Evaporator = 12.225634 kmol/jam

Filter

Keterangan : Proses berlangsung dengan pencucian Cake, dan diasumsi tidak ada MgSO4terikut di dalam Cake.

Mol MgSO4 di Filtrat = 12.225634 kmol/jamMol MgSO4 di umpan Filter = 12.225634 kmol/jam

Reaktor

Reaksi MgO + H2SO4 --------> MgSO4 + H2OKonversi 0.95

Mol MgSO4 di hasil reaksi = 12.225634 kmol/jam

Mol MgO di umpan reaktor = 12.869088 kmol/jam

Kiln

Reaksi MgCO3 --------> MgO + CO2Konversi 0.99

Mol MgO di produk Kiln = 12.869088 kmol/jam

Keterangan : MgO di produk Kiln merupakan hasil dari reaksi kalsinasi MgCO3 dan juga MgO di dalamumpan segar.

Perhitungan Rasio Mol MgO / MgCO3 di umpan segar (M)

Basis : 100 kg/jam Breunnerite

Komponen % - wt kg/jam BM kmol/jamMgCO3 77.9470 77.9470 84.3142 0.9244821MgO 0.7785 0.7785173 40.3044 0.0193159

Sehingga : Rasio Mol (M) = 0.0208938

Mol MgCO3 di dalam umpan Kiln = 12.730406 kmol/jamBerat MgCO3 di dalam umpan Kiln = 1073.354 kg/jam

Diperoleh : Berat Breunnerite total = 1377.031 kg/jam

Komposisi Breunnerite

No KomponenBM Komposisi Laju Alir

kg/kmol % - wt kg/jam kmol/jam1 MgCO3 84.3142 77.9470 1073.354 12.7304062 MgO 40.3044 0.7785 10.720425 0.26598653 Fe2O3 159.6922 9.5098 130.95295 0.82003354 CaO 56.0794 1.0784 14.850334 0.26480915 SiO2 60.0848 8.2353 113.40255 1.8873756 Al2O3 101.9612 1.6667 22.950516 0.22509077 Ni 58.7 0.1961 2.7000608 0.04599768 As 74.9216 0.5882 8.1001823 0.1081154

100 1377.031 16.347813

Perhitungan Neraca Massa Tiap Alat

1. Kiln (K)Reaksi MgCO3 --------> MgO + CO2

Konversi MgCO3 = 0.99

MgCO3 mula - mula = 12.730406 kmol/jamMgO mula - mula = 0.2659865 kmol/jam

MgCO3 sisa reaksi = 0.1273041 kmol/jamBM MgCO3 = 84.3142 kg/kmolBerat MgCO3 sisa reaksi = 10.73354 kg/jam

MgO hasil = 12.869088 kmol/jamBM MgO = 40.3044 kg/kmol

Berat MgO hasil = 518.68087 kg/jam

CO2 terbentuk = 12.603102 kmol/jamBM CO2 = 44.0098 kg/kmolBerat CO2 terbentuk = 554.65998 kg/jam

Keterangan : Komponen yang lain berlaku sebagai inert sehingga tidak mengalami perubahan.

Neraca Massa

No KomponenInput Output

Arus 1 Arus 23 Arus 21 MgCO3 1073.35397 10.733542 MgO 10.7204249 518.680873 Fe2O3 130.952947 130.952954 CaO 14.8503342 14.8503345 SiO2 113.402552 113.402556 Al2O3 22.9505164 22.9505167 Ni 2.70006076 2.70006088 As 8.10018227 8.10018239 CO2 554.65998

1377.03099 554.65998 822.3711377.0310 1377.0310

2. Mixer (M)Konsentrasi umpan segar H2SO4 = 98 %-wtKonsentrasi H2SO4 umpan reaktor = 239.13043 gr/L (kg/m^3) (Berdasarkan Patent)Rasio Mol H2SO4 / MgO umpan reaktor = 0.96

H2SO4 yang diperlukan = 12.354325 kmol/jamBM H2SO4 = 98.0734 kg/kmolBerat H2SO4 yang diperlukan = 1211.6306 kg/jam

Jumlah H2O dalam larutan umpan = 24.232612 kg/jam

Jumlah H2SO4 dalam larutan encer hasil = 1211.6306 kg/jamDensitas H2SO4 = 1777 kg/m^3Volum H2SO4 dalam larutan encer hasil = 0.6818405 m^3/jam

Volum H2O dalam larutan encer hasil = 4.3849784 m^3/jamDensitas H2O = 977 kg/m^3Jumlah H2O dalam larutan encer hasil = 4284.1239 kg/jamBM H2O = 18.0152 kg/kmolMol H2O yang ditambahkan = 237.80607 kmol/jam

H2O yang ditambahkan = 4259.8913 kg/jam

Neraca Massa


Arus 3 Arus 4 Arus 51 H2SO4 1211.63061 1211.63062 H2O 24.2326123 4259.8913 4284.1239

1235.86322 4259.8913 5495.75455495.7545 5495.7545

3. Reaktor (R) Reaksi MgO + H2SO4 --------> MgSO4 + H2O

Konversi MgO = 0.95

MgO mula - mula = 12.869088 kmol/jamH2SO4 mula - mula = 12.354325 kmol/jamH2O mula - mula = 237.80607 kmol/jam

MgO sisa reaksi = 0.6434544 kmol/jamBM MgO = 40.3044 kg/kmolBerat MgO sisa reaksi = 25.934044 kg/jam

H2SO4 sisa reaksi = 0.1286909 kmol/jamBM H2SO4 = 98.0734 kg/kmolBerat H2SO4 sisa reaksi = 12.621152 kg/jam

MgSO4 hasil = 12.225634 kmol/jamBM MgSO4 = 120.3626 kg/kmolBerat MgSO4 hasil = 1471.5091 kg/jam

H2O terbentuk = 250.0317 kmol/jamBM H2O = 18.0152 kg/kmolBerat H2O terbentuk = 4504.3711 kg/jam

Keterangan : Komponen yang lain berlaku sebagai inert sehingga tidak mengalami perubahan.

Neraca Massa


Arus 2 Arus 5 Arus 81 MgCO3 10.7335397 10.733542 MgO 518.680873 25.9340443 MgSO4 1471.50914 Fe2O3 130.952947 130.952955 CaO 14.8503342 14.8503346 SiO2 113.402552 113.402557 Al2O3 22.9505164 22.9505168 Ni 2.70006076 2.70006089 As 8.10018227 8.1001823

10 H2SO4 1211.6306 12.62115211 H2O 4284.1239 4504.3711

822.371005 5495.7545 6318.12556318.1255 6318.1255

4. Filter (F)

Laju alir massa dan volumetrik umpan filter

No Komponen rho (kg/m^3) kg/jam m^3/jam1 MgCO3 (s) 3037 10.73354 0.00353432 MgO (s) 3650 25.934044 0.00710523 MgSO4 2660 1471.5091 0.55319894 Fe2O3 (s) 5493 130.95295 0.023845 CaO (s) 3320 14.850334 0.0044736 SiO2 (s) 2320 113.40255 0.04888047 Al2O3 (s) 3990 22.950516 0.0057528 Ni (s) 8900 2.7000608 0.00030349 As (s) 5727 8.1001823 0.0014144

10 H2SO4 1777 12.621152 0.007102511 H2O 977 4504.3711 4.6104106

6318.1255 5.2660146

Massa padatan dalam slurry umpan = 329.62418 kg/jamVolum padatan dalam slurry umpan = 0.0953026 m^3/jamKadar padatan dalam slurry umpan = 0.0521712Volum cairan dalam slurry umpan = 5.170712 m^3/jam

Asumsi : Porositas cake = 0.4

Volum pori cake = volum cairan dalam cake = 0.0635351 m^3/jamRasio air pencuci dengan cairan dalam cake = 3

Volum air pencuci yang digunakan = 0.1906052 m^3/jamDensitas H2O = 977 kg/m^3Jumlah air pencuci yang digunakan = 186.22131 kg/jam

Air pencuci yang masih tertinggal dalam cake = 0.0635351 m^3/jamDensitas H2O = 977 kg/m^3Jumlah air dalam cake = 62.073771 kg/jam

Asumsi : Padatan tidak ada yang terikut di arus filtrat

Neraca Massa


Arus 8 Arus 9 Arus 10 Arus 111 MgCO3 (s) 10.7335397 10.733542 MgO (s) 25.9340437 25.9340443 MgSO4 1471.50905 1471.5091

4 Fe2O3 (s) 130.952947 130.952955 CaO (s) 14.8503342 14.8503346 SiO2 (s) 113.402552 113.402557 Al2O3 (s) 22.9505164 22.9505168 Ni (s) 2.70006076 2.70006089 As (s) 8.10018227 8.1001823

10 H2SO4 12.6211522 12.62115211 H2O 4504.37113 186.22131 62.073771 4628.5187

6318.12552 186.22131 391.69795 6112.64896504.3468 6504.3468

5. Evaporator (EV)

Keterangan : Proses penguapan yang terjadi di Evaporator dilakukan sampai konsentrasi jenuh MgSO4.

Suhu operasi = 100 CSolubilitas MgSO4 = 68.3 kg/100 kg solvent

Laju alir massa dan molar umpan

No Komponen kg/kmol kg/jam kmol/jam1 H2O 18.0152 4628.5187 256.922972 H2SO4 98.0734 12.621152 0.12869093 MgSO4 120.3626 1471.5091 12.2256344 MgSO4.7H2O (s) 246.469

6112.6489 269.27729

Jumlah H2O dalam larutan jenuh MgSO4 = 2154.4788 kg/jam

Jumlah H2O yang menguap sebelum terjadi pengkristalan = 2474.0398 kg/jam

Neraca Massa


Arus 11 Uap H2O Arus 171 H2O 4628.51868 2474.0398 2154.47882 H2SO4 12.6211522 12.6211523 MgSO4 1471.50905 1471.50914 MgSO4.7H2O (s) 0

6112.64888 2474.0398 3638.60916112.6489 6112.6489

6. Crystallizer (CR)

Suhu operasi = 40 CSolubilitas Epsom = 43.46 kg/100 kg solventR = BM Epsom/BM MgSO4 = 2.0477208


No Komponen kg/kmol kg/jam kmol/jam1 H2O 18.0152 2154.4788 119.592282 H2SO4 98.0734 12.621152 0.12869093 MgSO4 120.3626 1471.5091 12.2256344 MgSO4.7H2O (s) 246.469 0 0

3638.6091 131.9466

Jumlah MgSO4.7H2O terbentuk = 2012.0495 kg/jam= 8.1634992 kmol/jam

Jumlah total kristal Epsom = 2012.0495 kg/jam

Jumlah MgSO4 sisa = 4.0621345 kmol/jam= 488.92907 kg/jam

Jumlah H2O yang terikat dalam kristal Epsom = 57.144494 kmol/jam

Jumlah H2O di dalam larutan pekat hasil = 62.447786 kmol/jam= 1125.0094 kg/jam

Neraca Massa


Arus 17 Arus 181 H2O 2154.47885 1125.00942 H2SO4 12.6211522 12.6211523 MgSO4 1471.50905 488.929074 MgSO4.7H2O (s) 0 2012.0495 Kadar padatan keluar CR = 55.29722 %-wt

3638.6091 3638.6091

7. Centrifuge (CF)


No Komponen kg/jam1 H2O 1125.009352 H2SO4 12.62115223 MgSO4 488.9290654 MgSO4.7H2O (s) 2012.04949

3638.60906

Jumlah cairan dalam umpan = 1626.5596 kg/jam

Dirancang : Jumlah cairan dalam cake = 40.42 %

= 813.27979 kg/jam

Sehingga : Jumlah filtrat = 813.27979 kg/jam

Komposisi filtrat : H2O = 562.50468 kg/jamH2SO4 = 6.3105761 kg/jamMgSO4 = 244.46453 kg/jam

Neraca Massa


Umpan Filtrat Cake1 H2O 1125.00935 562.50468 562.504682 H2SO4 12.6211522 6.3105761 6.31057613 MgSO4 488.929065 244.46453 244.464534 MgSO4.7H2O (s) 2012.04949 2012.0495

3638.60906 813.27979 2825.32933638.6091 3638.6091

7. Drier (RD)

Diinginkan : Kadar H2O keluar drier (max) = 0.25 %-wt

Asumsi : Akibat terjadinya proses penguapan lebih lanjut maka dianggap MgSO4 sisa akanmengkristal seluruhnya menjadi MgSO4.7H2O


No Komponen kg/kmol kg/jam kmol/jam1 H2O 18.0152 562.50468 31.2238932 H2SO4 98.0734 6.3105761 0.06434543 MgSO4 120.3626 244.46453 2.03106724 MgSO4.7H2O (s) 246.469 2012.0495 8.1634992

2825.3293 41.482805

Jumlah total kristal Epsom = 10.194566 kmol/jam= 2512.6446 kg/jam

Jumlah H2O di dalam produk Epsom = 6.2973549 kg/jam

Jumlah H2O yang terikat dalam kristal Epsom = 14.217471 kmol/jam= 256.13058 kg/jam

Jumlah H2O yang menguap = 300.07675 kg/jam

Neraca Massa


No Komponen Arus 18 Uap H2O Arus 191 H2O 562.504677 300.07675 6.29735492 H2SO4 6.31057611 6.31057613 MgSO4 244.4645334 MgSO4.7H2O (s) 2012.04949 2512.6446

2825.32927 300.07675 2525.25252825.3293 2825.3293

Cek Kemurnian Produk 99.50 %-wt

Cek Produk 2525.25253 kg/jamKapasitas Terhitung 20000 ton/tahunError 3.9563E-11 kg/jam

Pabrik Magnesium Sulfat dari Magnesium CarbonatePerhitungan Neraca Atom

1. Kiln (K)

Neraca Massa

No KomponenBM Arus 1 Arus 23 Arus 2

kg/kmol kg/jam kmol/jam kg/jam kmol/jam kg/jam kmol/jam1 MgCO3 84.3142 1073.354 12.73041 10.73354 0.1273042 MgO 40.3044 10.72042 0.265986 518.6809 12.869093 Fe2O3 159.6922 130.9529 0.820033 130.9529 0.8200334 CaO 56.0794 14.85033 0.264809 14.85033 0.2648095 SiO2 60.0848 113.4026 1.887375 113.4026 1.8873756 Al2O3 101.9612 22.95052 0.225091 22.95052 0.2250917 Ni 58.7 2.700061 0.045998 2.700061 0.0459988 As 74.9216 8.100182 0.108115 8.100182 0.1081159 CO2 44.0098 554.66 12.6031

1377.031 16.34781 554.66 12.6031 822.371 16.34781

Neraca Atom

No AtomBM Arus 1 Arus 23 Arus 2

kg/kmol kmol/jam kg/jam kmol/jam kg/jam kmol/jam kg/jam1 Mg 24.305 12.99639 315.8773 12.99639 315.87732 Fe 55.847 1.640067 91.59282 1.640067 91.592823 Ca 40.08 0.264809 10.61355 0.264809 10.613554 Si 28.086 1.887375 53.00882 1.887375 53.008825 Al 26.9815 0.450181 12.14657 0.450181 12.146576 Ni 58.7 0.045998 2.700061 0.045998 2.7000617 As 74.9216 0.108115 8.100182 0.108115 8.1001828 C 12.011 12.73041 152.9049 12.6031 151.3759 0.127304 1.5290499 O 15.9994 45.63214 730.0868 25.2062 403.2841 20.42593 326.8027

75.75548 1377.031 37.8093 554.66 37.94617 822.371

Cek BalanceInput 1377.03 kg/jamOutput 1377.03 kg/jamError 0 kg/jam

2. Mixer (M)

Neraca Massa


kg/kmol kg/jam kmol/jam kg/jam kmol/jam kg/jam kmol/jam1 H2SO4 98.0734 1211.631 12.35432 1211.631 12.354322 H2O 18.0152 24.23261 1.34512 4259.891 236.4609 4284.124 237.8061

1235.863 13.69944 4259.891 236.4609 5495.755 250.1604

Neraca Atom


kg/kmol kmol/jam kg/jam kmol/jam kg/jam kmol/jam kg/jam

1 O 15.9994 50.76242 812.1682 236.4609 3783.233 287.2234 4595.4022 H 1.0079 27.39889 27.61534 472.9219 476.658 500.3208 504.27333 S 32.06 12.35432 396.0796 12.35432 396.0796

90.51563 1235.863 709.3828 4259.891 799.8985 5495.755


3. Reaktor (R)

Neraca Massa


kg/kmol kg/jam kmol/jam kg/jam kmol/jam kg/jam kmol/jam1 MgCO3 84.3142 10.73354 0.127304 10.73354 0.1273042 MgO 40.3044 518.6809 12.86909 25.93404 0.6434543 MgSO4 120.3626 1471.509 12.225634 Fe2O3 159.6922 130.9529 0.820033 130.9529 0.8200335 CaO 56.0794 14.85033 0.264809 14.85033 0.2648096 SiO2 60.0848 113.4026 1.887375 113.4026 1.8873757 Al2O3 101.9612 22.95052 0.225091 22.95052 0.2250918 Ni 58.7 2.700061 0.045998 2.700061 0.0459989 As 74.9216 8.100182 0.108115 8.100182 0.108115

10 H2SO4 98.0734 1211.631 12.35432 12.62115 0.12869111 H2O 18.0152 4284.124 237.8061 4504.371 250.0317

822.371 16.34781 5495.755 250.1604 6318.126 266.5082

Neraca Atom


kg/kmol kmol/jam kg/jam kmol/jam kg/jam kmol/jam kg/jam1 Mg 24.305 12.99639 315.8773 12.99639 315.87732 Fe 55.847 1.640067 91.59282 1.640067 91.592823 Ca 40.08 0.264809 10.61355 0.264809 10.613554 Si 28.086 1.887375 53.00882 1.887375 53.008825 Al 26.9815 0.450181 12.14657 0.450181 12.146576 Ni 58.7 0.045998 2.700061 0.045998 2.7000617 As 74.9216 0.108115 8.100182 0.108115 8.1001828 C 12.011 0.127304 1.529049 0.127304 1.5290499 O 15.9994 20.42593 326.8027 287.2234 4595.402 307.6493 4922.204

10 H 1.0079 500.3208 504.2733 500.3208 504.273311 S 32.06 12.35432 396.0796 12.35432 396.0796

37.94617 822.371 799.8985 5495.755 837.8447 6318.126


4. Filter (F)

Neraca Massa


kg/kmol kg/jam kmol/jam kg/jam kmol/jam kg/jam kmol/jam1 MgCO3 (s) 84.3142 10.73354 0.127304 10.73354 0.1273042 MgO (s) 40.3044 25.93404 0.643454 25.93404 0.6434543 MgSO4 120.3626 1471.509 12.225634 Fe2O3 (s) 159.6922 130.9529 0.820033 130.9529 0.8200335 CaO (s) 56.0794 14.85033 0.264809 14.85033 0.2648096 SiO2 (s) 60.0848 113.4026 1.887375 113.4026 1.8873757 Al2O3 (s) 101.9612 22.95052 0.225091 22.95052 0.2250918 Ni (s) 58.7 2.700061 0.045998 2.700061 0.0459989 As (s) 74.9216 8.100182 0.108115 8.100182 0.108115

10 H2SO4 98.0734 12.62115 0.12869111 H2O 18.0152 4504.371 250.0317 186.2213 10.3369 62.07377 3.445633

6318.126 266.5082 186.2213 10.3369 391.6979 7.567813

Neraca Atom 6504.347 6504.347


kg/kmol kmol/jam kg/jam kmol/jam kg/jam kmol/jam kg/jam1 Mg 24.305 12.99639 315.8773 0.770758 18.733282 Fe 55.847 1.640067 91.59282 1.640067 91.592823 Ca 40.08 0.264809 10.61355 0.264809 10.613554 Si 28.086 1.887375 53.00882 1.887375 53.008825 Al 26.9815 0.450181 12.14657 0.450181 12.146576 Ni 58.7 0.045998 2.700061 0.045998 2.7000617 As 74.9216 0.108115 8.100182 0.108115 8.1001828 C 12.011 0.127304 1.529049 0.127304 1.5290499 O 15.9994 307.6493 4922.204 10.3369 165.3842 11.64593 186.3279

10 H 1.0079 500.3208 504.2733 20.6738 20.83712 6.891266 6.94570711 S 32.06 12.35432 396.0796

837.8447 6318.126 31.0107 186.2213 23.83181 391.6979


5. Evaporator (EV)

Neraca Massa

No KomponenBM Arus 11 Uap H2O Arus 17

kg/kmol kg/jam kmol/jam kg/jam kmol/jam kg/jam kmol/jam1 H2O 18.0152 4628.519 256.923 2474.04 137.3307 2154.479 119.59232 H2SO4 98.0734 12.62115 0.128691 12.62115 0.1286913 MgSO4 120.3626 1471.509 12.22563 1471.509 12.225634 MgSO4.7H2O (s) 246.469 0 0

6112.649 269.2773 2474.04 137.3307 3638.609 131.9466

Neraca Atom

No AtomBM Arus 11 Uap H2O Arus 17


1 Mg 24.305 12.22563 297.144 12.22563 297.1442 O 15.9994 306.3403 4901.26 137.3307 2197.209 169.0096 2704.0523 H 1.0079 514.1033 518.1647 274.6614 276.8312 239.4419 241.33354 S 32.06 12.35432 396.0796 12.35432 396.0796

845.0235 6112.649 411.9921 2474.04 433.0315 3638.609


6. Crystallizer (CR)

Neraca Massa

No KomponenBM Arus 17 Arus 18

kg/kmol kg/jam kmol/jam kg/jam kmol/jam1 H2O 18.0152 2154.479 119.5923 1125.009 62.447792 H2SO4 98.0734 12.62115 0.128691 12.62115 0.1286913 MgSO4 120.3626 1471.509 12.22563 488.9291 4.0621344 MgSO4.7H2O (s) 246.469 0 0 2012.049 8.163499

3638.609 131.9466 3638.609 74.80211

Neraca Atom

No AtomBM Arus 17 Arus 18

kg/kmol kmol/jam kg/jam kmol/jam kg/jam1 Mg 24.305 12.22563 297.144 12.22563 297.1442 O 15.9994 169.0096 2704.052 169.0096 2704.0523 H 1.0079 239.4419 241.3335 239.4419 241.33354 S 32.06 12.35432 396.0796 12.35432 396.0796

433.0315 3638.609 433.0315 3638.609


7. Drier (RD)

Neraca Massa

No KomponenBM Arus 18 Uap H2O Arus 19

kg/kmol kg/jam kmol/jam kg/jam kmol/jam kg/jam kmol/jam1 H2O 18.0152 562.5047 31.22389 300.0767 16.65686 6.297355 0.3495582 H2SO4 98.0734 6.310576 0.064345 6.310576 0.0643453 MgSO4 120.3626 244.4645 2.0310674 MgSO4.7H2O (s) 246.469 2012.049 8.163499 2512.645 10.19457

2825.329 41.4828 300.0767 16.65686 2525.253 10.60847

Neraca Atom

No AtomBM Arus 18 Uap H2O Arus 19


1 Mg 24.305 12.22563 297.144 10.19457 247.77892 O 15.9994 169.0096 2704.052 16.65686 266.4998 112.7472 1803.8873 H 1.0079 239.4419 241.3335 33.31373 33.57691 143.5517 144.68584 S 32.06 12.35432 396.0796 10.25891 328.9007

433.0315 3638.609 49.97059 300.0767 276.7524 2525.253

Cek BalanceInput 3638.61 kg/jamOutput 2825.33 kg/jamError 813.2798 kg/jam

Pabrik Magnesium Sulfat dari Magnesium CarbonatePerhitungan Neraca Atom

MgCO3 84.3142MgO 40.3044Fe2O3 159.6922CaO 56.0794SiO2 60.0848

Al2O3 101.9612Ni 58.7As 74.9216CO2 44.0098H2O 18.0152H2SO4 98.0734N2 28.0134O2 31.9988MgSO4 120.3626MgSO4.7H2O 246.469

Arus 11kg/jam kmol/jam

1471.509 12.22563

12.62115 0.1286914628.519 256.9236112.649 269.2773

Arus 11kmol/jam kg/jam12.22563 297.144

306.3403 4901.26514.1033 518.164712.35432 396.0796845.0235 6112.649

Documents

Neraca Massa$$