Knock Out Drum S-302A Compressor K-301B

24 S-302A 23 Umpan Gas Sintesis Produk Gas Sintesis Recycle Top S-302A Bottom S-302A

4.60 Knock Out Drum S-302A

Fungsi : memisahkan dua fasa sebelum aliran gas dikompres. a. Entalpi aliran 23, H input , pada 60 o C = 112963332,740 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 4122,850 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 top 99860752,711 c. Entalpi aliran Recycle S-302A, H Recycle , pada T = 60 o C = 94194826,919 kJ d. Menghitung entalpi aliran bottom S-302A, H 24 , pada T = 60 o C = 333,15 K H 24 = H input + H Recycle – H top = 107297406,948 kJ Universitas Sumatera Utara Tabel LB-20 Neraca Energi pada Knock Out Drum S-302A Komponen Masuk kJ Keluar kJ H input H recycle H 24 H top H 2 59282660,879 59261867,490 59272997,039 59271531,329 CO 2 12952,665 12948,665 12950,806 12950,525 CO 16978960,485 16969790,625 16974698,900 16974052,210 H 2 O 23938024,781 5210492,999 18291139,394 10857378,386 CH 4 12197533,221 12189144,032 12193634,556 12193042,697 C 2 H 4 339331,026 338546,760 338966,673 338911,113 C 2 H 6 76658,161 76398,651 76537,624 76519,188 C 3 H 8 56713,341 56045,642 56403,725 56355,258 C 3 H 6 76431,175 75672,898 76079,427 76024,647 C 4 H 10 2130,943 2046,504 2092,016 2085,430 C 4 H 8 1936,062 1872,652 1906,786 1901,928 Jumlah 112963332,740 94194826,919 107297406,948 99860752,711 Sub total 207158159,659 207158159,659 Q 0,000 Total 207158159,659 207158159,659 Universitas Sumatera Utara

4.61 Compressor K-301B

a. Entalpi aliran input, H suction , pada 60 o C = 112963332,740 kJ b. Menghitung entalpi produk kompressor, H discharge pada Temperatur discharge. Berdasarkan perhitungan spesifikasi alat pada kompressor K-301B, diperoleh temperatur discharge adalah = 147,507 o C = 420,657K Komponen m kg n mol CpdT, kJmol ∑H i kJ H 2 4122,850 2045064,443 29,170 59654121,683 CO 2 14,736 334,835 42,051 14080,109 CO 16275,727 581049,759 29,452 17112803,239 H 2 O 5766,079 320069,225 34,652 11090985,484 CH 4 5212,543 324912,786 42,454 13793983,822 C 2 H 4 200,773 7156,725 56,209 402269,171 C 2 H 6 40,108 1333,835 68,704 91639,190 C 3 H 8 30,534 692,418 98,929 68500,419 C 3 H 6 45,842 1089,385 83,484 90946,391 C 4 H 10 1,128 19,407 129,031 2504,147 C 4 H 8 1,132 20,183 113,683 2294,487 H discharge 102324128,142 T in =60 o C Input Output T out = 145,65 o C ΔH Universitas Sumatera Utara Tabel LB-21 Neraca Energi pada Compressor K-301B Komponen Masuk kJ Keluar kJ H suction H discharge H 2 59271531,329 59654121,683 CO 2 12950,525 14080,109 CO 16974052,210 17112803,239 H 2 O 10857378,386 11090985,484 CH 4 12193042,697 13793983,822 C 2 H 4 338911,113 402269,171 C 2 H 6 76519,188 91639,190 C 3 H 8 56355,258 68500,419 C 3 H 6 76024,647 90946,391 C 4 H 10 2085,430 2504,147 C 4 H 8 1901,928 2294,487 Jumlah 99860752,711 102324128,142 Sub total 99860752,711 102324128,142 Q 2463375,430 Total 99860752,711 102324128,142 Universitas Sumatera Utara

4.62 Air-cooler H-302B