Menentukan Kondisi Operasi MD-301

A-182 Perhitungan Q umpan dapat dilihat pada tabel berikut: Tabel C.13.9. Perhitungan Q umpan DC-401 komponen kmoljam ∫Cp.dT KJKg.K Q=n∫Cp dT KJjam C8H10 27.96 11563.32165 323314.3439 CH3COOH 11.56 5559.989154 64266.88044 HBr 0.56 5559.99 3103.31214 CH3COO2Co 0.08 5559.99 457.8135279 CH3COO2Mn 0.07 5559.99 407.5466044 C8H6O4 0.00 0.00 H2O 103.52 2717.318039 281302.7128 total 143.76 672852.6094

b. Menghitung panas distilat

T T dew distilat = 100.020902 o C 373.170902 K Tref = 25 o C 298,15 K Tabel C.13.10. Perhitungan Q distilat DC-401 komponen kmoljam ∫Cp.dT KJKg.K Q=n∫Cp dTKJjam C8H10 10738.24285 CH3COOH 0.00115588 1 5172.690846 5.979017134 HBr 5172.690846 CH3COO2Co 5172.690846 CH3COO2M n 5172.690846 C8H6O4 H2O 103.511837 2 2539.923553 262912.1534 total 262918.1324

c. Menghitung panas liquid refluks

A-183 T T dew distilat = 100.020902 o C 373.170902 K Tref = 25 o C 298,15 K Tabel C.13.11 Perhitungan Q liquid refluks MD-301 komponen kmoljam ∫Cp.dT KJKg.K Q=n∫Cp dTKJjam C8H10 10738.24285 CH3COOH 2.98928E- 08 5172.690846 0.000154626 HBr 5172.690846 CH3COO2Co 5172.690846 CH3COO2M n 5172.690846 C8H6O4 H2O 0.00267696 6 2539.923553 6.799288039 total 6.799442665

d. Menghitung panas vapor

Diasumsikan temperatur vapor sama dengan temperatur distilat sehingga temperatur vapor adalah temperatur dew point distilat. Tout = T vapor = 100.020902 o C 373.170902 K Tref = 25 o C 298,15 K Tabel C.13.12 Perhitungan Q vapor MD-301: komponen V kmoljam ∫Cp.dT KJKg.K Q=n∫Cp dTKJjam C8H10 10738.24285 CH3COOH 0.001155911 5172.690846 5.97917176 HBr 5172.690846 CH3COO2Co 5172.690846 CH3COO2M n 5172.690846 A-184 C8H6O4 H2O 103.5145142 2539.923553 262918.9527 Total 262924.9319 Vapo r juga memiliki panas laten evaporasi perubahan fase liquid menjadi vapor . Tabel C.13.13. Perhitungan Q laten vapor komponen Hvap kjmol Hvap kjkmol V kmoljam Q kjjam C8H10 38.0646896 7 38064.68967 CH3COOH 24.0953527 4 24095.35274 0.00115591 1 27.852090 33 HBr 24.0953527 4 24095.35274 CH3COO2C o 24.0953527 4 24095.35274 CH3COO2 Mn 24.0953527 4 24095.35274 C8H6O4 133.847657 9 H2O 40.3152897 8 40315.28978 103.514514 2 4173217.6 37 total 308.609048 4 4173245.4 89 Q vapor total = Q sensible vapor + Q laten Vapor = 262924.9319 + 4173245.489 kjjam = 4436170.421 kjjam

e. Menghitung beban Condensor CD-301

Q vapor total = Q condensor + Q distilat + Q refluks Q condensor = Q vapor total - Q distilat + Q refluks = 4436170.421 – 262918.1324 + 6.799442665 = 4173245.489 kjjam