Knock Out Drum S-302C Compressor K-301D

4.66 Knock Out Drum S-302C

Fungsi : memisahkan dua fasa sebelum aliran gas dikompres. a. Entalpi aliran umpan H-302C, H input , pada 60 o C = 94194826,919 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 4121,554 2044421,831 28,983 59252906,687 CO 2 14,732 334,743 38,677 12946,942 CO 16267,852 580768,617 29,213 16965839,292 H 2 O 1359,703 75475,759 33,922 2560286,367 CH 4 5209,331 324712,575 37,527 12185529,358 C 2 H 4 200,357 7141,901 47,356 338209,114 C 2 H 6 39,987 1329,788 57,368 76286,986 C 3 H 8 30,211 685,099 81,389 55759,570 C 3 H 6 45,434 1079,685 69,787 75347,704 C 4 H 10 1,088 18,714 107,456 2010,879 C 4 H 8 1,099 19,587 94,233 1845,793 H top 91526968,691 c. Entalpi aliran Recycle dari bottom S-302D, H Recycle , pada T = 60 o C = 90230032,459 kJ d. Menghitung entalpi aliran bottom S-302C, H Bottom , pada T = 60 o C = 333,15 K H Bottom = H input + H Recycle – H top = 92897890,687 kJ S-302C Umpan Gas Sintesis Produk Gas Sintesis Recycle Air Kondensat yang di recycle kembali Universitas Sumatera Utara Tabel LB-26 Neraca Energi pada Knock Out Drum S-302C Komponen Masuk kJ Keluar kJ H umpan H recycle H bottom H top H 2 59261867,490 59250289,635 59259250,438 59252906,687 CO 2 12948,665 12949,718 12951,442 12946,942 CO 16969790,625 16965537,519 16969488,853 16965839,292 H 2 O 5210492,999 1265100,980 3915307,611 2560286,367 CH 4 12189144,032 12185978,272 12189592,947 12185529,358 C 2 H 4 338546,760 338360,211 338697,857 338209,114 C 2 H 6 76398,651 76347,581 76459,247 76286,986 C 3 H 8 56045,642 55976,705 56262,777 55759,570 C 3 H 6 75672,898 75589,867 75915,062 75347,704 C 4 H 10 2046,504 2035,883 2071,507 2010,879 C 4 H 8 1872,652 1866,088 1892,946 1845,793 Jumlah 94194826,919 90230032,459 92897890,687 91526968,691 Sub total 184424859,378 184424859,378 Q 0,000 Total 184424859,378 184424859,378 Universitas Sumatera Utara

4.67 Compressor K-301D

a. Entalpi aliran input, H suction , pada 60 o C = 91526968,691 kJ b. Menghitung entalpi produk kompressor, H discharge pada Temperatur discharge. Berdasarkan perhitungan spesifikasi alat pada kompressor K-301D, diperoleh temperatur discharge adalah = 148,919 o C = 422,069 K Komponen m kg n mol CpdT, kJmol ∑H i kJ H 2 4121,554 2044421,831 29,172 59640312,096 CO 2 14,732 334,743 42,101 14092,930 CO 16267,852 580768,617 29,457 17107704,976 H 2 O 1359,703 75475,759 34,664 2616322,367 CH 4 5209,331 324712,575 42,534 13811249,415 C 2 H 4 200,357 7141,901 56,344 402399,918 C 2 H 6 39,987 1329,788 68,879 91594,495 C 3 H 8 30,211 685,099 99,197 67959,883 C 3 H 6 45,434 1079,685 83,694 90363,028 C 4 H 10 1,088 18,714 129,365 2420,874 C 4 H 8 1,099 19,587 113,979 2232,555 H discharge 93846652,538 T in =60 o C Input Output T out = 145,65 o C ΔH Universitas Sumatera Utara Tabel LB-27 Neraca Energi pada Compressor K-301D Komponen Masuk kJ Keluar kJ H suction H discharge H 2 59252906,687 59640312,096 CO 2 12946,942 14092,930 CO 16965839,292 17107704,976 H 2 O 2560286,367 2616322,367 CH 4 12185529,358 13811249,415 C 2 H 4 338209,114 402399,918 C 2 H 6 76286,986 91594,495 C 3 H 8 55759,570 67959,883 C 3 H 6 75347,704 90363,028 C 4 H 10 2010,879 2420,874 C 4 H 8 1845,793 2232,555 Jumlah 91526968,691 93846652,538 Sub total 91526968,691 93846652,538 Q 2319683,846 Total 93846652,538 93846652,538 Universitas Sumatera Utara T in =60 o C Input Output T out = 148,919 o C ΔH

4.68 Air-cooler H-302D