penting
bgt kpasitas dliht
Basis : |
|
96000 |
ton/tahun |
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96000000 |
kg MM / tahun |
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Pabrik beroperasi : |
|
330 |
hari/tahun |
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Produksi : |
|
12121,21212 |
kg MM / jam |
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MA |
11581,7316 |
|
134,5305099 |
kmol/jam |
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Perhitungan
Jumlah Umpan |
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MM |
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Menara Distilasi |
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Dirancang : |
Kemurnian MM dalam
produk |
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= |
99,00 |
%-wt |
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MM yang terambil sebagai
Top |
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= |
99,00 |
%-mol |
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Sehingga : |
Jumlah MM dalam produk |
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= |
138,2712 |
kg/jam |
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BM MM |
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= |
100,11 |
kg/kmol |
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Mol MM produk |
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= |
1,38119255 |
kmol/jam |
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Mol MM umpan MD |
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= |
1,38119255 |
kmol/jam |
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Berat MM umpan MD |
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= |
138,2711861 |
kg/jam |
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Dekanter |
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Dirancang : |
Untuk memisahkan fase
ringan (Metanol, MM dan Asam Metakrilat ) dan untuk memisahkan fase |
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berat (Na2SO4 dan H2O) |
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umpan butanol |
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Reaktor |
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Reaksi |
MA +
Metanol --------> MM
+ H2O |
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Konversi Metanol |
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= |
0,9 |
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Umpan Metanol : |
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Mol Metanol diumpan
reaktor |
|
= |
122,5527 |
kmol/jam |
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BM Metanol |
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= |
32,0420 |
kg/kmol |
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Berat Metanol di dalam
umpan |
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= |
3926,8349 |
kg//jam |
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Komposisi
Umpan Metanol |
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No |
Komponen |
BM |
Komposisi |
Laju Alir |
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kg/kmol |
% - wt |
kg/jam |
kmol/jam |
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1 |
H2O |
18,02 |
2 |
78,5367 |
4,3593 |
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2 |
Metanol |
32,042 |
98 |
3926,8349 |
122,5527 |
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100 |
4005,3716 |
126,9120 |
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Recyle |
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Jumlah Metanol dalam
produk |
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= |
147,9882 |
kmol/jam |
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BM Metanol |
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= |
32,0420 |
kg/kmol |
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Mol Metanol produk |
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= |
4694,4183 |
kg//jam |
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Asam Metkrilat |
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Umpan MA: |
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Jumlah MA dalam produk |
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= |
134,5305 |
kmol/jam |
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BM MA |
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= |
86,0900 |
kg/kmol |
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Mol MA produk |
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= |
11581,7316 |
kg//jam |
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Komposisi
Umpan MA |
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No |
Komponen |
BM |
Komposisi |
Laju Alir |
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kg/kmol |
% - wt |
kg/jam |
kmol/jam |
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1 |
H2O |
18,02 |
1,080722 |
113,5244 |
6,3013 |
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2 |
MA |
86,0900 |
98,919278 |
10504,4937 |
122,0176 |
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100 |
10618,0180 |
128,3189 |
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Recyle |
MD 1 |
Jumlah MA dalam produk |
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= |
13,4548 |
kmol/jam |
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BM MA |
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= |
86,0900 |
kg/kmol |
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Mol MA produk |
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= |
1158,3204 |
kg//jam |
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MD 2 |
Jumlah MA dalam produk |
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= |
0,9418 |
kmol/jam |
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BM MA |
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= |
86,0900 |
kg/kmol |
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Mol MA produk |
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= |
81,0824 |
kg//jam |
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Asam Sulfat |
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Umpan H2SO4: |
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Jumlah H2SO4 dalam produk |
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= |
6,7265 |
kmol/jam |
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BM H2SO4 |
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= |
98,0800 |
kg/kmol |
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Mol H2SO4 produk |
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= |
659,7376 |
kg//jam |
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Komposisi
Umpan Metanol |
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No |
Komponen |
BM |
Komposisi |
Laju Alir |
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kg/kmol |
% - wt |
kg/jam |
kmol/jam |
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1 |
H2O |
18,02 |
1,16 |
7,6530 |
0,4248 |
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2 |
H2SO4 |
98,08 |
98,84 |
659,7376 |
6,7265 |
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100 |
667,3906 |
7,1513 |
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H2O |
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Recyle |
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Umpan H2O: |
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Jumlah H2O dalam produk |
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= |
5,5044 |
kmol/jam |
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BM H2O |
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= |
18,0160 |
kg/kmol |
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Mol H2O produk |
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= |
99,1675 |
kg//jam |
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1. Reaktor (R) |
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Kg/jam |
Input |
Output |
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KOMPONEN |
Umpan |
Reycle |
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Methanol |
4005,3716 |
4694,4183 |
5598,7568 |
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H2SO4 |
667,3906 |
|
659,8527 |
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MA |
10618,0180 |
1077,2379 |
3460,7365 |
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MM |
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138,2712 |
9582,0423 |
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H2O |
|
99,1675 |
1998,4867 |
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jumlah |
15290,7802 |
6009,0949 |
21299,8750 |
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21299,8751 |
0,0000 |
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BAB IV |
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NERACA MASSA |
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A. Neraca Massa Total |
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Tabel IV.1. Neraca
Massa Overall |
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Masuk |
m, kg/jam |
Keluar |
m, kg/jam |
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Metanol |
39.268.346 |
Produk |
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MA |
105.044.932 |
Metanol |
326.724 |
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H2SO4 |
6.597.376 |
MM |
810.825 |
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NaOH |
5.382.560 |
MA |
121.212.122 |
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H2O |
7.828.251 |
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Total masuk |
164.121.465 |
Hasil bawah dekanter |
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Metanol |
147.460 |
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H2O |
32.067.161 |
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Na2SO4 |
9.557.169 |
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Total keluar |
164.121.459 |
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B. Neraca
Massa Tiap Alat |
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Tabel IV.2. Neraca
Massa Reaktor-01 |
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Input |
Output |
Kg / jam |
KOMPONEN |
ARUS 1 |
ARUS 2 |
ARUS 3 |
recyle |
Arus 5 |
Methanol |
3926,8346 |
- |
- |
4694,4186 |
5598,7568 |
H2SO4 |
- |
- |
659,7376 |
0,0000 |
659,8527 |
MA |
- |
10504,4932 |
0,0000 |
1077,2384 |
3460,7365 |
MM |
- |
0,0000 |
- |
138,2711 |
9582,0423 |
H2O |
78,5367 |
113,5244 |
7,6530 |
99,1675 |
1998,4867 |
jumlah |
4005,3713 |
10618,0176 |
667,3906 |
6009,0956 |
21299,8750 |
total |
21299,8750 |
0,0000 |
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Tabel IV.3. Neraca Massa Reaktor-02 |
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Umpan |
Output |
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Kg / Jam |
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KOMPONEN |
arus 5 |
arus 6 |
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Methanol |
55.987.568 |
47.418.370 |
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H2SO4 |
6.598.527 |
6.598.853 |
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MA |
34.607.365 |
11.583.209 |
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MM |
95.820.423 |
122.594.833 |
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H2O |
19.984.867 |
24.803.486 |
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jumlah |
212.998.750 |
212.998.751 |
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Tabel IV.4. Neraca Massa Netralizer |
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Input arus 6 |
Input arus 4 |
Output arus 7 |
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Komponen |
Kg/jam |
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Methanol |
47.418.370 |
|
47.418.370 |
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H2SO4 |
6.598.853 |
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MAA |
11.583.209 |
|
11.583.209 |
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MMA |
122.594.833 |
|
122.594.833 |
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H2O |
24.803.486 |
5.831.106 |
33.058.837 |
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NaOH (48%) |
|
5.382.560 |
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Na2SO4 |
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|
9.557.168 |
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Jumlah = |
212.998.751 |
11.213.666 |
224.212.417 |
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Tabel IV.5. Neraca Massa Menara Distilasi-01 |
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Input |
output |
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Kg/jam |
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KOMPONEN |
arus 7 |
arus 9 |
arus 11 |
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Methanol |
47.418.370 |
46.944.186 |
474.184 |
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|
MA |
11.583.209 |
|
11.583.209 |
|
|
MM |
122.594.833 |
158.346 |
122.436.487 |
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H2O |
33.058.837 |
991.675 |
32.067.162 |
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Na2SO4 |
9.557.168 |
|
9.557.168 |
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|
48.094.207 |
176.118.210 |
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jumlah |
224.212.417 |
224.212.417 |
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Tabel IV.6. Neraca Massa Dekanter |
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Kg / jam |
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KOMPONEN |
arus 11 |
arus 12 |
arus 13 |
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Methanol |
474.184 |
326.724 |
147.460 |
|
|
MA |
11.583.209 |
11.583.209 |
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|
MM |
122.436.487 |
122.436.487 |
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|
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H2O |
32.067.162 |
|
32.067.162 |
|
|
Na2SO4 |
9.557.168 |
|
9.557.168 |
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Jumlah |
176.118.210 |
134.346.420 |
41.771.790 |
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Tabel IV.7. Neraca Massa Menara Distilasi-02 |
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Input |
output |
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|
Kg / Jam |
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|
KOMPONEN |
arus 12 |
arus 15 |
arus 17 |
|
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Methanol |
326.724 |
326.724 |
|
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|
MA |
11.583.209 |
810.825 |
10.772.384 |
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MM |
122.436.487 |
121.212.122 |
1.224.365 |
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jumlah |
134.346.420 |
122.349.671 |
11.996.749 |
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