Kolom Distilasi 02 DC-302 Expander Valve 04 EV-304 Cooler 03 CO-303 Expander Valve 05 EV-305 COOLER 04 CO-304

16. Expander Valve 03 EV-303

Tabel 4.32 Neraca Energi Expander Valve 03 EV-303

17. Cooler 01 CO-301

Tabel 4.33 Neraca energi CO-301 Panas Masuk Panas Keluar Keterangan kJjam Keterangan kJkg Qumpan 1.466.485,76396 Qliquid out 75.537.97807 Q cooling water 1.390.947,78589 Total 1.466.485,76396 Total 1.466.485,76396

18. COOLER 02 CO-302

Tabel 4.34 Neraca energi CO-302 Panas Masuk Panas Keluar Keterangan kJjam Keterangan kJkg Qumpan 405.471,3299 Qliquid out 357.614,7562 Q cooling water 47.856,5737 Total 405.471,3299 Total 405.471,3299

19. Kolom Distilasi 02 DC-302

Tabel 4.35 Neraca energi DC-302 Panas Masuk Panas Keluar Keterangan kJjam Keterangan kJkg Q umpan 357.614,7562 Q bottom 84.667,2491 Q reboiler 3.256.904,8765 Q distilat 282.434,6474 Q condenser 3.247.417,7362 Total 3.614.519,6327 Total 3.614.519,6327 Panas Masuk Panas Keluar Keterangan kJjam Keterangan kJkg Q15a 1.466.485,7640 Q15 1.466.485,7640 Total 1.466.485,7640 Total 1.466.485,7640

20. Expander Valve 04 EV-304

Tabel 4.36 Neraca Energi Expander Valve 04 EV-304 Panas Masuk Panas Keluar Keterangan kJjam Keterangan kJkg Q32 84.667,2491 Q38 84.667,2491 Total 84.667,2491 Total 84.667,2491

21. Cooler 03 CO-303

Tabel 4.37 Neraca energi CO-303 Panas Masuk Panas Keluar Keterangan kJjam Keterangan kJkg Qumpan 84.667,2491 Qliquid out 4.907,3448 Q cooling water 79.759,9043 Total 84.667,2491 Total 84.667,2491

22. Expander Valve 05 EV-305

Tabel 4.38 Neraca Energi Expander Valve 05 EV-305 Panas Masuk Panas Keluar Keterangan kJjam Keterangan kJkg Q35 282.434,6474 Q37 282.434,6474 Total 282.434,6474 Total 282.434,6474

23. COOLER 04 CO-304

Tabel 4.39 Neraca energi CO-304 Panas Masuk Panas Keluar Keterangan kJjam Keterangan kJkg Qumpan 282.434,6474 Qliquid out 25.416,4983 Q cooling water 257.018,1491 Total 282.434,6474 Total 282.434,6474

V. SPESIFIKASI PERALATAN

A. Peralatan Proses

Peralatan proses pabrik butynediol dengan kapasitas 40.000 tontahun terdiri dari :

1. Tangki Penyimpanan Formaldehyde TP-101

Spesifikasi Tangki Penyimpanan Formaldehyde TP - 101 Fungsi : Tempat menyimpan bahan baku formaldehyde liquid Tipe : Silinder tegak vertikal dengan dasar datar flat bottom dan atap head berbentuk conical Kondisi operasi : Tekanan = 2 atm Temperatur, T in = 30 o C Dimensi : Laju alir massa = 6.448,6456 kgjam Volume tangki = 1.314,9468 m 3 Diameter tangki = 8,7478 m Panjang tangki = 8,7478 m Tebal shell = 4 1 2 in Tebal head = 16 3 in Material = Carbon steel SA 285 Grade C Kapasitas : 525,9787 m 3 Tekanan Desain : 8,12 atm Jumlah : 3 buah Harga satuan, : 48.954,423