MASS BALANCE Assumptions: Production per year: 100,000 metric tonne/year According to OSHA regulations working days
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MASS BALANCE Assumptions:
Production per year: 100,000 metric tonne/year According to OSHA regulations working days: 330 days Compound Propylene, C3H6 Acrylic Acid, C3H4O2 Acetic Acid, CH3COOH Nitrogen, N2 Oxygen, O2 Carbon Dioxide, CO2 Water, H2O
Molecular Weight (g/mol) 42.08 72.06 60.052 14.0067 16 44.01 18.02
Total molar flowrate of acrylic acid production 100,000
metric ton 1 yr 1 day 1 hr 1000 g × × × × yr 330 days 24 hour 3600 s 0.001 metric ton
g 1 mol =3507.295 × s 72.06 g =48.6719
mol 3600 s × s 1 hr
=175218.743 =175.219
mol 1 kmol × hr 1000 mol
kmol hr
1. REACTOR
1792.538 kmol/hr
1792.538 kmol/hr
H2O = 0.1021 CO2 = 0.0001 O2 = 0.1702 N2 = 0.6401 C3H6 = 0.0875
H2O = 0.1611 CO2 = 0.0304 O2 = 0.08 N2 = 0.5172 C3H6 = 0.0086 C3H4O2 = 0.1953 CH3COOH = 0.0072
Components
Minput (kmol/hr)
Moutput (kmol/hr)
183.0181
288.7779
0.1793
54.4932
Oxygen, O2
305.0900
143.4030
Nitrogen, N2
1147.4036
927.1007
Propylene, C3H6
156.8471
15.4158
Acetic Acid, CH3COOH
-
350.0827
Acrylic Acid, C3H4O2
-
12.9063
1792.5381
1792.1796
Water, H2O Carbon Dioxide, CO2
Total
2.0 FLUSH DRUM
1492.919 kmol/hr
H2O = 0.1934 CO2 = 0.0365 O2 = 0.0171 N2 = 0.6212 C3H6 = 0.0103 C3H4O2 = 0.1172 CH3COOH = 0.0043
1792.538 kmol/hr kmol/hr H2O = 0.1611 CO2 = 0.0304 O2 = 0.08 N2 = 0.5172 C3H6 = 0.0086 C3H4O2 = 0.1953 CH3COOH = 0.0072
299.619 kmol/hr
C3H4O2 = 0.5842 CH3COOH = 0.0216 H2O = 0.3942 Components
Minput (kmol/hr)
Moutput (kmol/hr)
Water, H2O Carbon Dioxide, CO2
288.7779 54.4932
406.8403 54.4915
Oxygen, O2 Nitrogen, N2
143.4030 927.1007
25.5289 927.4013
Propylene, C3H6
15.4158
15.3771
Acetic Acid, CH3COOH Acrylic Acid, C3H4O2
350.0827 12.9063
12.8913 350.0075
1792.538 kmol/hr
1792.538 kmol/hr
Total
3.0 ABSORPTION TOWER 1193.3 kmol/hr
H2O = 0.1430 CO2 = 0.0457 O2 = 0.0212 N2 = 0.7772 C3H6 = 0.0129
1492.919 kmol/hr
H2O = 0.1934 CO2 = 0.0365 O2 = 0.0171 N2 = 0.6212 C3H6 = 0.0103 C3H4O2 = 0.1172 CH3COOH = 0.0043 299.619 kmol/hr
C3H4O2 = 0.5842 CH3COOH = 0.0216 H2O = 0.3942 Components
Minput (kmol/hr)
Moutput (kmol/hr)
Water, H2O
288.7305
288.7517
Carbon Dioxide, CO2
54.4915
54.5338
Oxygen, O2
25.5289
25.2980
Nitrogen, N2
927.4013
927.4328
Propylene, C3H6
15.3771
15.3936
Acetic Acid, CH3COOH
6.4196
6.4718
174.9701
175.0374
1492.919 kmol/hr
1492.919 kmol/hr
Acrylic Acid, C3H4O2 Total
4. LIQUID-LIQUID EXTRACTION COLUMN 181.219 kmol/hr C3H4O2 = 0.9659 CH3COOH = 0.0337 H2O = 0.0004
299.619 kmol/hr C3H4O2 = 0.5842 CH3COOH = 0.0216 H2O = 0.3942
118.4 kmol/hr H2O = 0.997 CH3COOH = 0.003
Components
Minput (kmol/hr)
Moutput (kmol/hr)
Acrylic Acid, C3H4O2 Acetic Acid, CH3COOH
175.0374 6.4718
175.0394 6.4623
Water, H2O Total
118.1099 299.6191
118.1173 299.6190
5. DISTILLATION COLUMN 6 kmol/hr C3H4O2 = 0.0272 CH3COOH = 0.9600 H2O = 0.0128
181.219 kmol/hr C3H4O2 = 0.9659 CH3COOH = 0.0337 H2O = 0.0004
175.219 kmol/hr C3H4O2 = 0.9980 CH3COOH = 0.0020
Components
Minput (kmol/hr)
Moutput (kmol/hr)
175.0394
175.0318
Acetic Acid, CH3COOH
6.1071
6.1104
Water, H2O
0.0725
0.0768
Total
181.219
181.219
Acrylic Acid, C3H4O2