Compressor K-301E Air-cooler H-302E

T in =60 o C Input Output T out = 149,159 o C ΔH

4.70 Compressor K-301E

a. Entalpi aliran input, H suction , pada 60 o C = 90230032,459 kJ b. Menghitung entalpi produk kompressor, H discharge pada Temperatur discharge. Berdasarkan perhitungan spesifikasi alat pada kompressor K-301E, diperoleh temperatur discharge adalah = 149,159 o C = 422,309 K Komponen m kg n mol CpdT, kJmol ∑H i kJ H 2 4121,372 2044331,534 29,173 59638511,116 CO 2 14,735 334,815 42,109 14098,782 CO 16267,562 580758,287 29,458 17107942,716 H 2 O 671,863 37294,444 34,667 1292869,326 CH 4 5209,523 324724,537 42,547 13816125,497 C 2 H 4 200,447 7145,092 56,366 402742,994 C 2 H 6 40,018 1330,844 68,909 91706,811 C 3 H 8 30,328 687,767 99,243 68255,727 C 3 H 6 45,580 1083,155 83,729 90691,919 C 4 H 10 1,101 18,946 129,421 2452,047 C 4 H 8 1,111 19,803 114,029 2258,092 H discharge 92527655,027 Universitas Sumatera Utara Tabel LB-30 Neraca Energi pada Compressor K-301E Komponen Masuk kJ Keluar kJ H suction H discharge H 2 59250289,635 59638511,116 CO 2 12949,718 14098,782 CO 16965537,519 17107942,716 H 2 O 1265100,980 1292869,326 CH 4 12185978,272 13816125,497 C 2 H 4 338360,211 402742,994 C 2 H 6 76347,581 91706,811 C 3 H 8 55976,705 68255,727 C 3 H 6 75589,867 90691,919 C 4 H 10 2035,883 2452,047 C 4 H 8 1866,088 2258,092 Jumlah 90230032,459 92527655,027 Sub total 90230032,459 92527655,027 Q 2297622,568 Total 92527655,027 92527655,027 Universitas Sumatera Utara T in =60 o C Input Output T out = 149,159 o C ΔH

4.71 Air-cooler H-302E

a. Entalpi aliran input, H input , pada 149,159 o C = 92527655,027 kJ b. Menghitung entalpi produk air-cooler, H produk pada Temperatur = 60 o C = 333,15K Komponen m kg n mol CpdT, kJmol ∑H i kJ H 2 4121,372 2044331,534 28,983 59250289,635 CO 2 14,735 334,815 38,677 12949,718 CO 16267,562 580758,287 29,213 16965537,519 H 2 O 671,863 37294,444 33,922 1265100,980 CH 4 5209,523 324724,537 37,527 12185978,272 C 2 H 4 200,447 7145,092 47,356 338360,211 C 2 H 6 40,018 1330,844 57,368 76347,581 C 3 H 8 30,328 687,767 81,389 55976,705 C 3 H 6 45,580 1083,155 69,787 75589,867 C 4 H 10 1,101 18,946 107,456 2035,883 C 4 H 8 1,111 19,803 94,233 1866,088 H i 90230032,459 Universitas Sumatera Utara Tabel LB-31 Neraca Energi pada Air-Cooler H-302E Komponen Masuk kJ Keluar kJ H in H 25 H 2 59638511,116 59250289,635 CO 2 14098,782 12949,718 CO 17107942,716 16965537,519 H 2 O 1292869,326 1265100,980 CH 4 13816125,497 12185978,272 C 2 H 4 402742,994 338360,211 C 2 H 6 91706,811 76347,581 C 3 H 8 68255,727 55976,705 C 3 H 6 90691,919 75589,867 C 4 H 10 2452,047 2035,883 C 4 H 8 2258,092 1866,088 Jumlah 92527655,027 90230032,459 Sub total 92527655,027 90230032,459 Q -2297622,568 Total 90230032,459 90230032,459 Universitas Sumatera Utara CWS CWR H-303 25 26 TC TI TI T in = 60 o C Aliran 25 Aliran 26 T out = 43,3333 o C ΔH

4.72 After-cooler H-303