Air-cooler H-302B Knock Out Drum S-302B

4.62 Air-cooler H-302B

a. Entalpi aliran input, H input , pada 147,507 o C = 102324128,142 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 4122,850 2045064,443 28,983 59271531,329 CO 2 14,736 334,835 38,677 12950,525 CO 16275,727 581049,759 29,213 16974052,210 H 2 O 5766,079 320069,225 33,922 10857378,386 CH 4 5212,543 324912,786 37,527 12193042,697 C 2 H 4 200,773 7156,725 47,356 338911,113 C 2 H 6 40,108 1333,835 57,368 76519,188 C 3 H 8 30,534 692,418 81,389 56355,258 C 3 H 6 45,842 1089,385 69,787 76024,647 C 4 H 10 1,128 19,407 107,456 2085,430 C 4 H 8 1,132 20,183 94,233 1901,928 H i 99860752,711 T in =60 o C Input Output T out = 145,65 o C ΔH Universitas Sumatera Utara Tabel LB-22 Neraca Energi pada Air Cooler H-302B Komponen Masuk kJ Keluar kJ H input H output H 2 59654121,683 59271531,329 CO 2 14080,109 12950,525 CO 17112803,239 16974052,210 H 2 O 11090985,484 10857378,386 CH 4 13793983,822 12193042,697 C 2 H 4 402269,171 338911,113 C 2 H 6 91639,190 76519,188 C 3 H 8 68500,419 56355,258 C 3 H 6 90946,391 76024,647 C 4 H 10 2504,147 2085,430 C 4 H 8 2294,487 1901,928 Jumlah 102324128,142 99860752,711 Sub total 102324128,142 99860752,711 Q -2463375,430 Total 102324128,142 99860752,711 Universitas Sumatera Utara S-302B Umpan Gas Sintesis Produk Gas Sintesis Recycle Air Kondensat yang di recycle kembali

4.63 Knock Out Drum S-302B

Fungsi : memisahkan dua fasa sebelum aliran gas dikompres. a. Entalpi aliran umpan S-302B, H input , pada 60 o C = 99860752,711 kJ b. Menghitung entalpi aliran top, H top pada T = 60 o C = 333,150 K Komponen m kg n mol Cp, kJmol ∑H i kJ H 2 4122,178 2044731,008 28,983 59261867,490 CO 2 14,734 334,787 38,677 12948,665 CO 16271,640 580903,878 29,213 16969790,625 H 2 O 2767,161 153602,315 33,922 5210492,999 CH 4 5210,877 324808,896 37,527 12189144,032 C 2 H 4 200,557 7149,031 47,356 338546,760 C 2 H 6 40,045 1331,734 57,368 76398,651 C 3 H 8 30,366 688,614 81,389 56045,642 C 3 H 6 45,630 1084,345 69,787 75672,898 C 4 H 10 1,107 19,045 107,456 2046,504 C 4 H 8 1,115 19,872 94,233 1872,652 H top 94194826,919 c. Entalpi aliran Recycle S-302C, H Recycle , pada T = 60 o C = 91526968,691 kJ d. Menghitung entalpi aliran bottom S-302B, H Bottom , pada T = 60 o C = 333,15 K H Bottom = H input + H Recycle – H top = 97192894,483 kJ Universitas Sumatera Utara Tabel LB-22 Neraca Energi pada Knock Out Drum S-302B Komponen Masuk kJ Keluar kJ H input H recycle H 24 H top H 2 59271531,329 59252906,687 59262570,526 59261867,490 CO 2 12950,525 12946,942 12948,801 12948,665 CO 16974052,210 16965839,292 16970100,877 16969790,625 H 2 O 10857378,386 2560286,367 8207171,754 5210492,999 CH 4 12193042,697 12185529,358 12189428,023 12189144,032 C 2 H 4 338911,113 338209,114 338573,466 338546,760 C 2 H 6 76519,188 76286,986 76407,523 76398,651 C 3 H 8 56355,258 55759,570 56069,185 56045,642 C 3 H 6 76024,647 75347,704 75699,452 75672,898 C 4 H 10 2085,430 2010,879 2049,806 2046,504 C 4 H 8 1901,928 1845,793 1875,069 1872,652 Jumlah 99860752,711 91526968,691 97192894,483 94194826,919 Sub total 191387721,402 191387721,402 Q 0,000 Total 191387721,402 191387721,402 Universitas Sumatera Utara T in =60 o C Input Output T out = 148,445 o C ΔH

4.64 Compressor K-301C