Menentukan Tinggi Total Tangki Desain Lantai

Dengan T = 50 o C = 323,15 K Tabel C.12. Perhitungan Densitas Campuran Komponen KgJam KmolJam wi ρ kgm3 wiρ CH 3 COOH 2419,814 40,6422 0,9900 1032,6259 0,0010 H 2 O 22,2074 1,2337 0,0100 1018,2706 Total 2441,9409 41,8760 1 0,0010 liquid = liquid = 1032,4803 kgm 3 = 64,4555 lbft 3

n. Menghitung Kapasitas Tangki

waktu tinggal = 15 hari Jumlah CH 3 COOH = 2419,814 kgjam x 24 jam x 15 hari = 871.133,0399 kg = = 499.1743 m 3 = 233.369,5697 ft 3 Over Design = 20 Peter and Timmerhaus, 1991,hal. 37 V tangki = 10080 x V liquid = 10080 x 499.1743 m 3 = 451,6850 m 3 = 15.950,5244 ft 3

o. Menentukan Rasio H

s D V tangki = V shell + V tutup = ¼ π D 2 H + 0,000049 D 3 + ¼ π D 2 sf A tangki = A shell + A tutup = ¼ π D 2 + π D H + 0,84β D 2 Keterangan : D = diameter tangki, in sf = straight flange, in dipilih sf = 3 in Berdasarkan Tabel 4-27 Ulrich 1984, dimana : D H s 2 Ulrich, 1984 Rasio HD yang diambil adalah rasio yang memberikan luas tangki yang paling kecil. Hasil trial rasio HD terhadap luas tangki dapat dilihat pada Tabel C.10. berikut. Tabel C.13. Hasil Trial HsD Terhadap Luas Tangki trial HD D ft H ft A ft 2 V silinder , ft 3 V head, ft 3 V sf , ft 3 V total ft 3 1 0.4 34.03882232 13.61552893 3340.363229 12383.77994 3339.361193 227.38338 15950.525 2 0.5 32.07665005 16.03832502 3289.429996 12954.08311 2794.517517 201.92388 15950.525 3 0.6 30.50133715 18.30080229 3266.394134 13365.26406 2402.682883 182.57757 15950.525 4 0.62 30.2214997 18.73732982 3264.091077 13434.1249 2337.156819 179.24279 15950.525 5 0.64 29.95167528 19.16907218 3262.404231 13499.35402 2275.114059 176.05643 15950.525 6 0.66 29.69125278 19.59622684 3261.281877 13561.23243 2216.283869 173.00821 15950.525 7 0.68 29.43967307 20.01897769 3260.677486 13620.01287 2160.422873 170.08877 15950.525 8 0.7 29.19642335 20.43749634 3260.549097 13675.92321 2107.311684 167.28961 15950.525 9 0.71 29.07777345 20.64521915 3260.651406 13702.86727 2081.724549 165.93269 15950.525 10 0.72 28.96103229 20.85194325 3260.858781 13729.1695 2056.752016 164.603 15950.525 11 0.73 28.84614675 21.05768713 3261.167034 13754.85266 2032.372191 163.29966 15950.525 0.74 28.73306578 21.26246867 3261.572176 13779.93845 2008.564208 162.02185 15950.525 13 0.76 28.51212317 21.66921361 3262.658083 13828.39972 1962.585084 159.5397 15950.525 14 0.78 28.29783405 22.07231056 3264.088124 13874.7078 1918.666109 157.1506 15950.525 15 0.8 28.08985527 22.47188422 3265.836432 13919.00364 1876.671777 154.84909 15950.525 16 0.9 27.13421858 24.42079672 3278.591687 14114.45533 1691.577015 144.49217 15950.525 17 1 26.29679746 26.29679746 3296.483261 14275.06982 1539.743582 135.71111 15950.525