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Chapter 1 1.8 2,750 kPa 1.14(b) 80.8% 1.15(b) 96.08% 1.17(b) 98.8%
Chapter 2 2.1 2,060 kJ/h 2.2 924,000 Btu/h 2.3(e) 3.05% 2.4(b) 4,883,000 Btu/h 2.7(b) 0. 2.13 427 kg/m 3
Chapter 3 3.2 991 lb/day 3.4(a) 2,260 h 3.8(a) 1.91 10 ^7 mol/s-cm 2 3.14 0.218 cm 3.17 2.1 10 ^5 cm 2 /s 3.20(c) 169,500 h 3.23 54 h 3.24(a) 3.4 10 ^5 cm 2 /s 3.27 4.4 cm 3.29(a) 2.54 10 ^4 kmol/s-m 2 3.30 3.73 m 3.31(d) 380 s 3.33 3.44 10 ^5 kmol/s-m 2 3.36(b) 4.08 s 3.38(b) 1.24 10 ^4 mol/s-cm 2 -atm
Chapter 4 4.1(c) 4 C þ 10 4.3(d) C þ 3 4.11 4 4.12(b) 196 kJ/kg of feed 4.27 126 psia 4.31 211 F 4.37(c) 65% of nC 8 4.39(a) 61 F 4.46(a) 4.4 kg, (b) 504 kg 4.55 2,500 lb/h of crystals 4.57 3,333 kg/h of crystals 4.60 3,800 kg added water 4.65 99.96% 4.67 97.73% 4.71(a) 3,565 kg/h
Chapter 5 5.4(b) 98.8% 5.8(c) 85.5%
5.9(e) 13.1 g 5.10(b) 74.3%, (e) 100% 5.11(d) 1,748 kg 5.14(b) 7,169 kg/h 5.15(b) 2,766 kg/h 5.17 165 lbmol/h 5.23 Need 5 more specs 5.29 Need 5 more specs 5.31 ND ¼ 19 5.33(c) 2(N þ M) þ C þ 16 5.35(c) 2(N þ M) þ C þ 15 Chapter 6 6.7(a) 1. 6.9(b) 9–10 stages 6.11 0.005 ppm DCA 6.16(b) 375,000 gpm 6.18 3.56 ft 6.20(b) 0.23 psi/tray 6.21(c) 76% 6.23(d) 6.4% 6.27(b) 2.53 m 6.33 1.61 ft^3 6.35(b) 3. 6.37(a) 1.70, (b) 0.01736, (c) 7.5, (d) 8.7, (e) 16 ft Chapter 7 7.9(a) 90.4%, (c) 8 7.13(b) 10 þ reboiler 7.14 0.90 and 0.28 for benzene 7.15(b) 43.16 kmol/h 7.21 8 þ reboiler 7.23 20 stages þ reboiler, feed at 17 from top 7.25 63.49 kmol 7.27 9–10 trays þ reboiler 7.29(d) 26 plates þ reboiler 7.31(b) 4 þ reboiler 7.33(c) 8 7.35 32 þ reboiler, feeds at 17 and 27 from the top 7.39 102 þ reboiler 7.41(d) 77.4% 7.47(a) 14.7 and 21.2 ft 7.51(c) 42.5 ft, (d) 32 ft 7.53(a) 3.8 ft, (e) 0.11 psia Chapter 8 8.11(a) 233 kg/h, (b) 5 8.13 2.5 stages 8.15 5 stages
8.17 5 stages 8.23(b) 64 kg/h, (c) 142,000 kg/h 8.27(a) 1. 8.29 139,000 lb/h 8.31(a) 0.32 mm, (c) 1,234 ft 2 /ft^3 8.33(a) 81 rpm, (b) 5.6 Hp, (c) 0.53 mm, (d) 2,080 ft 2 /ft^3 , (e) 0.202 ft/h, (f) 26.3, (h) 96.8%
Chapter 9 9.4 28.3 stages 9.5(a) 7.1, (b) 5.3, (c) 2. 9.7 8.4 stages 9.11 272.8 kmol/h reflux rate 9.17(c) 1.175, (e) 6 or 7 from top 9.24 65 kmol/h
Chapter 10 10.4 0.3674, 0.2939, 0. 10.5 16.67, 33.333, 33.333, 33.333, 33. 10.9(a) 1.0, 4. 10.10(a) 0.2994, 0. 10.12 x 1 ¼ 2.62161, x 2 ¼ 3. 10.21 Stage 8 or 9 10.23 Reb. duty ¼ 1,014,000 Btu/h 10.25 Cond. duty ¼ 1,002,000 Btu/h 10.27 Reb. duty ¼ 3,495,000 Btu/h 10.33 14. 10.41 Reb. duty ¼ 4,470,000 Btu/h 10.43 5 to 6 stages
Chapter 11 11.9 57 stages, 70 mol/s solvent, 7 ft diam. for extractive colm. 11.16 100 stages, 115 kmol/h methanol, R ¼ 10
Chapter 12 12.17(a) 15, (b) 20 trays 12.18(a) 24, feed to stage 20 from the condenser 12.19 23 m above, 4 m below
Chapter 13 13.1(b) 29.9 wt% distilled 13.3 57.9 moles 13.7 2.14 h 13.9 0, 0.571 isopropanol 13.10 35 lbmol 13.11 0.549 kmol distilled 13.13(a) 9 stages 13.15(a) 7.28 h 13.16(a) 4.60 h 13.23 0.695 and 0.498 for A 13.27(a) 22.8 h, (b) 50.6 lbmol 13.30 26, 8, 26, 40 kmol 13.31 26.6, 48.4, 25 kmol
Chapter 14 14.3 48,800 m 2 , 281 kmol/h 14.5 2 mm
14.7 41,700 m 3 /m 2 -day 14.11 Case 1, 195 m^2 /stage, permeate ¼ 60 lbmol/h 14.14 545 m 2 , 65% recovery 14.16 73 amp/m 2 , 25.6 amp 14.18 75% recovery for Des. 2 14.20 548,000 ft 2 14.22 197,000 ft 2 for crossflow 14.24 EtOH permeance ¼ 4.62 10 ^5 kmol/h-m 2 -mm Hg 14.30 141 cartridges/stage Chapter 15 15.1(a) 0.369 cm 3 /g, (b) 2.5 g/cm 3 , 47.6 angstroms 15.3(b) 0. 15.4 52.1 m 2 /g 15.5 5.35 meq/g 15.13(b) 0. 15.15 4,170 kg dry resin 15.16 0.0741 m/s and 170.1 J/m 2 -s-K 15.19 0.0054 cm 2 /s 15.22 0.045, 0.24, 2 10 ^5 15.26(a) 0.66 g/L, (b) 12.2 h 15.27(c) 1,845 h 15.29 13.8 days 15.30 279 days 15.31 679 min ideal, 451 min actual, 2.6 ft 15.32 84 cannisters 15.39(a) 21,850 kg/h, (b) 10 15.41 660 s, 1,732 s Chapter 16 16.2(c) 130,600 kg/d water 16.3 90.44% recovery 16.4 10 stages total 16.5(a) 88.54%, (b) 76.6% 16.6 2 washing stages 16.12 42.2 minutes 16.15 17.9 h Chapter 17 17.1(a) 0.696, (b) 0. 17.5 0.579, 0.911, 0.132, 0.272 mm 17.9 1,442 lb/h 17.10 1,320 lb/h 17.11 1,490 lb/h, 44.6 tons/day 17.12 0. 17.13 257 F 17.17 1. 17.22 87 m 2 17.23(a) 4.84 tons/h, (c) 43 units 17.24(a) 1,777 kg/h, (b) 1.22 mm 17.25(c) 4.96 m^3 17.26(f) 3.9 10 10 crystals/h 17.27(b) 0.0647 micron/s 17.29(c) 0.705 micron 17.34 0. 17.36 1,350 tubes, 14.2 h 17.37 101 C, 93% 17.39(a) 44 F, (e) 29,100 lb/h 17.41(c) 330 ft 2 each
