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1138 CHEMICAL ENGINEERING A1. STEAM TABLES Adapted from the Abridged Callendar Steam Tables by permission of Messrs Edward Arnold (Publishers) Ltd. 1139 APPENDIX Table 1A. Absolute pressure (kN/m2 ) Properties of saturated steam (SI units) Temperature (◦ C) (K) Enthalpy per unit mass (Hs ) Entropy per unit mass (Ss ) (kJ/kg) (kJ/kg K) θs Ts water latent steam water latent steam water steam 0.0 29.3 73.5 101.0 121.4 137.8 151.5 163.4 173.9 183.3 191.8 206.9 220.0 231.6 242.0 251.5 272.0 289.3 304.3 317.7 329.6 340.6 359.9 376.8 391.7 405.2 417.5 419.1 423.3 428.8 434.2 439.4 444.4 449.2 453.9 458.4 462.8 467.1 471.3 475.4 479.4 483.2 487.0 490.7 494.3 497.9 501.3 504.7 2501.6 2485.0 2460.2 2444.6 2433.1 2423.8 2416.0 2409.2 2403.2 2397.9 2392.9 2384.2 2376.7 2370.0 2363.9 2358.4 2346.4 2336.1 2327.2 2319.2 2312.0 2305.4 2293.6 2283.3 2274.0 2265.6 2257.9 2256.9 2254.3 2250.8 2247.4 2244.1 2240.9 2237.8 2234.8 2231.9 2229.0 2226.2 2223.5 2220.9 2218.3 2215.7 2213.3 2210.8 2208.5 2206.1 2203.8 2201.6 2501.6 2514.4 2533.6 2545.6 2554.5 2561.6 2567.5 2572.6 2577.1 2581.1 2584.8 2591.2 2596.7 2601.6 2605.9 2609.9 2618.3 2625.4 2631.5 2636.9 2641.7 2646.0 2653.6 2660.1 2665.8 2670.9 2675.4 2676.0 2677.6 2679.6 2681.6 2683.4 2685.2 2687.0 2688.7 2690.3 2691.8 2693.4 2694.8 2696.2 2697.6 2699.0 2700.3 2701.5 2702.8 2704.0 2705.1 2706.3 0 0.1060 0.2606 0.3543 0.4225 0.4763 0.5209 0.5591 0.5926 0.6224 0.6493 0.6964 0.7367 0.7721 0.8036 0.8321 0.8933 0.9441 0.9878 1.0261 1.0603 1.0912 1.1455 1.1921 1.2330 1.2696 1.3027 1.3069 1.3182 1.3330 1.3472 1.3609 1.3741 1.3868 1.3991 1.4109 1.4225 1.4336 1.4445 1.4550 1.4652 1.4752 1.4849 1.4944 1.5036 1.5127 1.5215 1.5301 9.1575 8.8706 8.4640 8.2242 8.0530 7.9197 7.8103 7.7176 7.6370 7.5657 7.5018 7.3908 7.2966 7.2148 7.1423 7.0773 6.9390 6.8254 6.7288 6.6448 6.5703 6.5035 6.3872 6.2883 6.2022 6.1258 6.0571 6.0485 6.0252 5.9947 5.9655 5.9375 5.9106 5.8847 5.8597 5.8356 5.8123 5.7897 5.7679 5.7467 5.7261 5.7061 5.6867 5.6677 5.6493 5.6313 5.6138 5.5967 9.1575 8.9767 8.7246 8.5785 8.4755 8.3960 8.3312 8.2767 8.2295 8.1881 8.1511 8.0872 8.0333 7.9868 7.9459 7.9094 7.8323 7.7695 7.7166 7.6709 7.6306 7.5947 7.5327 7.4804 7.4352 7.3954 7.3598 7.3554 7.3434 7.3277 7.3127 7.2984 7.2846 7.2715 7.2588 7.2465 7.2347 7.2234 7.2123 7.2017 7.1913 7.1813 7.1716 7.1622 7.1530 7.1440 7.1353 7.1268 0.0010002 0.001000 0.001001 0.001003 0.001004 0.001005 0.001006 0.001007 0.001008 0.001009 0.001010 0.001012 0.001013 0.001015 0.001016 0.001017 0.001020 0.001022 0.001025 0.001027 0.001028 0.001030 0.001033 0.001036 0.001039 0.001041 0.001043 0.0010437 0.001045 0.001046 0.001047 0.001048 0.001049 0.001050 0.001050 0.001051 0.001052 0.001053 0.001054 0.001055 0.001056 0.001056 0.001057 0.001058 0.001059 0.001059 0.001060 0.001061 206.16 129.21 67.01 45.67 34.80 28.19 23.74 20.53 18.10 16.20 14.67 12.36 10.69 9.43 8.45 7.65 6.20 5.23 4.53 3.99 3.58 3.24 2.73 2.37 2.09 1.87 1.69 1.6730 1.618 1.549 1.486 1.428 1.375 1.325 1.279 1.236 1.196 1.159 1.124 1.091 1.060 1.031 1.003 0.977 0.952 0.929 0.907 0.885 Datum: Triple point 0.611 0.01 1.0 6.98 2.0 17.51 3.0 24.10 4.0 28.98 5.0 32.90 6.0 36.18 7.0 39.03 8.0 41.54 9.0 43.79 10.0 45.83 12.0 49.45 14.0 52.58 16.0 55.34 18.0 57.83 20.0 60.09 25.0 64.99 30.0 69.13 35.0 72.71 40.0 75.89 45.0 78.74 50.0 81.35 60.0 85.95 70.0 89.96 80.0 93.51 90.0 96.71 100.0 99.63 101.325 100.00 105 101.00 110 102.32 115 103.59 120 104.81 125 105.99 130 107.13 135 108.24 140 109.32 145 110.36 150 111.37 155 112.36 160 113.32 165 114.26 170 115.17 175 116.06 180 116.93 185 117.79 190 118.62 195 119.43 200 120.23 of water 273.16 280.13 290.66 297.25 302.13 306.05 309.33 312.18 314.69 316.94 318.98 322.60 325.73 328.49 330.98 333.24 338.14 342.28 345.86 349.04 351.89 354.50 359.10 363.11 366.66 369.86 372.78 373.15 374.15 375.47 376.74 377.96 379.14 380.28 381.39 382.47 383.51 384.52 385.51 386.47 387.41 388.32 389.21 390.08 390.94 391.77 392.58 393.38 Specific volume (v) (m3 /kg) (continued overleaf ) 1140 CHEMICAL ENGINEERING Table 1A. (continued) Absolute pressure (kN/m2 ) Temperature ( C) θs Ts water latent steam water latent steam water steam 210 220 230 240 250 260 270 280 290 300 320 340 360 380 400 420 440 460 480 500 520 540 560 580 600 620 640 660 680 700 720 740 760 780 800 820 840 860 880 900 920 940 960 980 1000 1100 1200 1300 1400 1500 1600 121.78 123.27 124.71 126.09 127.43 128.73 129.99 131.21 132.39 133.54 135.76 137.86 139.87 141.79 143.63 145.39 147.09 148.73 150.31 151.85 153.33 154.77 156.16 157.52 158.84 160.12 161.38 162.60 163.79 164.96 166.10 167.21 168.30 169.37 170.41 171.44 172.45 173.43 174.40 175.36 176.29 177.21 178.12 179.01 179.88 184.06 187.96 191.60 195.04 198.28 201.37 394.93 396.42 397.86 399.24 400.58 401.88 403.14 404.36 405.54 406.69 408.91 411.01 413.02 414.94 416.78 418.54 420.24 421.88 423.46 425.00 426.48 427.92 429.31 430.67 431.99 433.27 434.53 435.75 436.94 438.11 439.25 440.36 441.45 442.52 443.56 444.59 445.60 446.58 447.55 448.51 449.44 450.36 451.27 452.16 453.03 457.21 461.11 464.75 468.19 471.43 474.52 511.3 517.6 523.7 529.6 535.4 540.9 546.2 551.5 556.5 561.4 570.9 579.9 588.5 596.8 604.7 612.3 619.6 626.7 633.5 640.1 646.5 652.8 658.8 664.7 670.4 676.0 681.5 686.8 692.0 697.1 702.0 706.9 711.7 716.3 720.9 725.4 729.9 734.2 738.5 742.6 746.8 750.8 754.8 758.7 762.6 781.1 798.4 814.7 830.1 844.6 858.5 2197.2 2193.0 2188.9 2184.9 2181.0 2177.3 2173.6 2170.1 2166.6 2163.2 2156.7 2150.4 2144.4 2138.6 2132.9 2127.5 2122.3 2117.2 2112.2 2107.4 2102.7 2098.1 2093.7 2089.3 2085.0 2080.8 2076.7 2072.7 2068.8 2064.9 2061.1 2057.4 2053.7 2050.1 2046.5 2043.0 2039.6 2036.2 2032.8 2029.5 2026.2 2023.0 2019.8 2016.7 2013.6 1998.6 1984.3 1970.7 1957.7 1945.3 1933.2 2708.5 2710.6 2712.6 2714.5 2716.4 2718.2 2719.9 2721.5 2723.1 2724.7 2727.6 2730.3 2732.9 2735.3 2737.6 2739.8 2741.9 2743.9 2745.7 2747.5 2749.3 2750.9 2752.5 2754.0 2755.5 2756.9 2758.2 2759.5 2760.8 2762.0 2763.2 2764.3 2765.4 2766.4 2767.5 2768.5 2769.4 2770.4 2771.3 2772.1 2773.0 2773.8 2774.6 2775.4 2776.2 2779.7 2782.7 2785.4 2787.8 2789.9 2791.7 1.5468 1.5628 1.5781 1.5929 1.6072 1.6209 1.6342 1.6471 1.6596 1.6717 1.6948 1.7168 1.7376 1.7575 1.7764 1.7946 1.8120 1.8287 1.8448 1.8604 1.8754 1.8899 1.9040 1.9176 1.9308 1.9437 1.9562 1.9684 1.9803 1.9918 2.0031 2.0141 2.0249 2.0354 2.0457 2.0558 2.0657 2.0753 2.0848 2.0941 2.1033 2.1122 2.1210 2.1297 2.1382 2.1786 2.2160 2.2509 2.2836 2.3144 2.3436 5.5637 5.5321 5.5018 5.4728 5.4448 5.4179 5.3920 5.3669 5.3427 5.3192 5.2744 5.2321 5.1921 5.1541 5.1179 5.0833 5.0503 5.0186 4.9881 4.9588 4.9305 4.9033 4.8769 4.8514 4.8267 4.8027 4.7794 4.7568 4.7348 4.7134 4.6925 4.6721 4.6522 4.6328 4.6139 4.5953 4.5772 4.5595 4.5421 4.5251 4.5084 4.4920 4.4759 4.4602 4.4447 4.3712 4.3034 4.2404 4.1815 4.1262 4.0740 7.1105 7.0949 7.0800 7.0657 7.0520 7.0389 7.0262 7.0140 7.0022 6.9909 6.9692 6.9489 6.9297 6.9115 6.8943 6.8779 6.8622 6.8473 6.8329 6.8192 6.8059 6.7932 6.7809 6.7690 6.7575 6.7464 6.7356 6.7252 6.7150 6.7052 6.6956 6.6862 6.6771 6.6683 6.6596 6.6511 6.6429 6.6348 6.6269 6.6192 6.6116 6.6042 6.5969 6.5898 6.5828 6.5498 6.5194 6.4913 6.4651 6.4406 6.4176 0.001062 0.001064 0.001065 0.001066 0.001068 0.001069 0.001070 0.001071 0.001072 0.001074 0.001076 0.001078 0.001080 0.001082 0.001084 0.001086 0.001088 0.001089 0.001091 0.001093 0.001095 0.001096 0.001098 0.001100 0.001101 0.001102 0.001104 0.001105 0.001107 0.001108 0.001109 0.001110 0.001112 0.001114 0.001115 0.001116 0.001118 0.001119 0.001120 0.001121 0.001123 0.001124 0.001125 0.001126 0.001127 0.001133 0.001139 0.001144 0.001149 0.001154 0.001159 0.846 0.810 0.777 0.746 0.718 0.692 0.668 0.646 0.625 0.606 0.570 0.538 0.510 0.485 0.462 0.442 0.423 0.405 0.389 0.375 0.361 0.348 0.337 0.326 0.316 0.306 0.297 0.288 0.280 0.272 0.266 0.258 0.252 0.246 0.240 0.235 0.229 0.224 0.220 0.215 0.210 0.206 0.202 0.198 0.194 0.177 0.163 0.151 0.141 0.132 0.124 ◦ (K) Enthalpy per unit mass (Hs ) (kJ/kg) Entropy per unit mass (Ss ) (kJ/kg K) Specific volume (v) (m3 /kg) 1141 APPENDIX Table 1A. (continued) Absolute pressure (kN/m2 ) 1700 1800 1900 2000 2200 2400 2600 3000 3500 4000 4500 5000 6000 7000 8000 9000 10000 11000 12000 14000 16000 18000 20000 22000 22120 Temperature (◦ C) (K) Enthalpy per unit mass (Hs ) Entropy per unit mass (Ss ) (kJ/kg) (kJ/kg K) Specific volume (v) (m3 /kg) θs Ts water latent steam water latent steam water steam 204.30 207.11 209.79 212.37 217.24 221.78 226.03 233.84 242.54 250.33 257.41 263.92 275.56 285.80 294.98 303.31 310.96 318.04 324.64 336.63 347.32 356.96 365.71 373.68 374.15 477.45 480.26 482.94 485.52 490.39 494.93 499.18 506.99 515.69 523.48 530.56 537.07 548.71 558.95 568.13 576.46 584.11 591.19 597.79 609.78 620.47 630.11 638.86 646.83 647.30 871.8 884.5 896.8 908.6 930.9 951.9 971.7 1008.3 1049.7 1087.4 1122.1 1154.5 1213.7 1267.5 1317.2 1363.8 1408.1 1450.6 1491.7 1571.5 1650.4 1734.8 1826.6 2010.3 2107.4 1921.6 1910.3 1899.3 1888.7 1868.1 1848.5 1829.7 1794.0 1752.2 1712.9 1675.6 1639.7 1571.3 1506.0 1442.7 1380.8 1319.7 1258.8 1197.5 1070.9 934.5 779.0 591.6 186.3 0 2793.4 2794.8 2796.1 2797.2 2799.1 2800.4 2801.4 2802.3 2802.0 2800.3 2797.7 2794.2 2785.0 2773.4 2759.9 2744.6 2727.7 2709.3 2698.2 2642.4 2584.9 2513.9 2418.2 2196.6 2107.4 2.3712 2.3976 2.4227 2.4468 2.4921 2.5342 2.5736 2.6455 2.7252 2.7965 2.8612 2.9207 3.0274 3.1220 3.2077 3.2867 3.3606 3.4304 3.4971 3.6241 3.7470 3.8766 4.0151 4.2934 4.4429 4.0246 3.9776 3.9327 3.8899 3.8094 3.7348 3.6652 3.5383 3.3976 3.2720 3.1579 3.0528 2.8633 2.6541 2.5393 2.3952 2.2592 2.1292 2.0032 1.7564 1.5063 1.2362 0.9259 0.2881 0 6.3958 6.3751 6.3555 6.3367 6.3015 6.2690 6.2388 6.1838 6.1229 6.0685 6.0191 5.9735 5.8907 5.8161 5.7470 5.6820 5.6198 5.5596 5.5003 5.3804 5.2533 5.1127 4.9410 4.5814 4.4429 0.001163 0.001168 0.001172 0.001177 0.001185 0.001193 0.001201 0.001216 0.001235 0.001252 0.001269 0.001286 0.001319 0.001351 0.001384 0.001418 0.001453 0.001489 0.001527 0.0016105 0.0017102 0.0018399 0.0020374 0.0026675 0.0031700 0.117 0.110 0.105 0.0996 0.0907 0.0832 0.0769 0.0666 0.0570 0.0498 0.0440 0.0394 0.0324 0.0274 0.0235 0.0205 0.0180 0.0160 0.0143 0.01150 0.00931 0.007497 0.005875 0.003735 0.003170 1142 CHEMICAL ENGINEERING Table 1B. Pressure Absolute Vacuum (lb/in.2 ) (in. Hg) 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 14.696 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 34 28.99 28.79 28.58 28.38 28.17 27.97 27.76 27.56 27.35 27.15 26.95 26.74 26.54 26.33 26.13 25.92 23.88 21.84 19.80 17.76 15.71 13.67 11.63 9.59 7.55 5.50 3.46 1.42 Properties of saturated steam (Centigrade and Fahrenheit units) Temperature (◦ C) 26.42 29.57 32.28 34.67 36.80 38.74 40.52 42.17 43.70 45.14 46.49 47.77 48.98 50.13 51.22 52.27 60.83 67.23 72.38 76.72 80.49 83.84 86.84 89.58 92.10 94.44 96.62 98.65 (◦ F) 79.6 85.3 90.1 94.4 98.2 101.7 104.9 107.9 110.7 113.3 115.7 118.0 120.2 122.2 124.2 126.1 141.5 153.0 162.3 170.1 176.9 182.9 188.3 193.2 197.8 202.0 205.9 209.6 Enthalpy per unit mass Centigrade units (kcal/kg) 100.57 102.40 104.13 105.78 107.36 108.87 110.32 111.71 113.05 114.34 115.59 116.80 117.97 119.11 120.21 121.3 123.3 125.3 213.0 216.3 219.5 222.4 225.2 228.0 230.6 233.1 235.5 237.8 240.1 242.2 244.4 246.4 248.4 250.3 254.0 257.6 Water Steam Steam 0.0924 0.1028 0.1117 0.1196 0.1264 0.1326 0.1381 0.1433 0.1484 0.1527 0.1569 0.1609 0.1646 0.1681 0.1715 0.1749 0.2008 0.2199 0.2348 0.2473 0.2582 0.2676 0.2762 0.2836 0.2906 0.2970 0.3029 0.3086 2.0367 2.0214 2.0082 1.9970 1.9871 1.9783 1.9702 1.9630 1.9563 1.9501 1.9442 1.9387 1.9336 1.9288 1.9243 1.9200 1.8869 1.8632 1.8449 1.8299 1.8176 1.8065 1.7968 1.7884 1.7807 1.7735 1.7672 1.7613 643.0 540.6 466.6 411.7 368.7 334.0 305.2 281.1 260.5 243.0 228.0 214.3 202.5 191.8 182.3 173.7 118.7 90.63 73.52 61.98 53.64 47.35 42.40 38.42 35.14 32.40 30.05 28.03 970.6 1150.7 0.3122 1.7574 26.80 970.0 967.9 965.9 964.0 962.2 960.4 958.8 957.2 955.6 954.0 952.5 951.1 949.7 948.3 947.0 945.6 943.1 940.7 26.28 24.74 23.38 22.17 21.07 20.09 19.19 18.38 17.63 16.94 16.30 15.72 15.17 14.67 14.19 13.73 12.93 12.21 Water Latent Steam Water Latent Steam 26.45 29.58 32.28 34.66 36.80 38.74 40.52 42.17 43.70 45.12 46.45 47.73 48.94 50.08 51.16 52.22 60.78 67.20 72.36 76.71 80.52 83.89 86.88 89.61 92.15 94.50 96.69 98.73 582.50 580.76 579.27 577.95 576.74 575.60 574.57 573.63 572.75 571.94 571.16 570.41 569.71 569.06 568.47 567.89 562.89 559.29 556.24 553.62 551.20 549.16 547.42 545.82 544.26 542.75 541.34 540.06 608.95 610.34 611.55 612.61 613.54 614.34 615.09 615.80 616.45 617.06 617.61 618.14 618.65 619.14 619.63 620.11 623.67 626.49 628.60 630.33 631.72 633.05 634.30 635.43 636.41 637.25 638.03 638.79 100.65 102.51 104.27 105.94 107.53 109.05 110.53 111.94 113.30 114.61 115.87 117.11 118.31 119.47 120.58 121.7 123.8 125.8 538.9 537.7 536.5 535.5 534.5 533.6 532.6 531.7 530.8 530.0 529.2 528.4 527.6 526.8 526.1 525.4 524.1 522.8 639.5 640.2 640.8 641.4 642.0 642.6 643.1 643.6 644.1 644.6 645.1 645.5 645.9 646.3 646.7 647.1 647.9 648.6 Specific volume (ft3 /lb) Fahrenheit units (Btu/lb) 47.6 53.2 58.1 62.4 66.2 69.7 72.9 75.9 78.7 81.3 83.7 86.0 88.2 90.2 92.1 94.0 109.4 121.0 130.2 138.1 144.9 151.0 156.5 161.3 165.9 170.1 173.9 177.7 Gauge 100.00 212.0 100.06 539.22 639.28 180.1 (lb/in.2 ) 0.3 1.3 2.3 3.3 4.3 5.3 6.3 7.3 8.3 9.3 10.3 11.3 12.3 13.3 14.3 15.3 17.3 19.3 Entropy (Btu/lb◦ F) 181.2 184.5 187.6 190.6 193.5 196.3 198.9 201.4 203.9 206.3 208.6 210.8 212.9 215.0 217.0 219.0 222.7 226.3 1048.5 1045.4 1042.7 1040.3 1038.1 1036.1 1034.3 1032.5 1030.9 1029.5 1028.1 1026.8 1025.5 1024.4 1023.3 1022.2 1013.2 1006.7 1001.6 996.6 992.2 988.5 985.2 982.5 979.6 976.9 974.6 972.2 1096.1 1098.6 1100.8 1102.7 1104.3 1105.8 1107.2 1108.4 1109.6 1110.8 1111.8 1112.8 1113.7 1114.6 1115.4 1116.2 1122.6 1127.7 1131.8 1134.7 1137.1 1139.5 1141.7 1143.8 1145.5 1147.0 1148.5 1149.9 1151.2 1152.4 1153.5 1154.6 1155.7 1156.7 1157.7 1158.6 1159.5 1160.3 1161.1 1161.9 1162.6 1163.3 1164.0 1164.6 1165.8 1167.0 0.3137 0.3187 0.3231 0.3276 0.3319 0.3358 0.3396 0.3433 0.3468 0.3502 0.3534 0.3565 0.3595 0.3625 0.3654 0.3682 0.3735 0.3785 1.7556 1.7505 1.7456 1.7411 1.7368 1.7327 1.7287 1.7250 1.7215 1.7181 1.7148 1.7118 1.7089 1.7060 1.7032 1.7004 1.6952 1.6905 1143 APPENDIX Table 1B. (continued) Pressure Absolute Vacuum (lb/in.2 ) (in. Hg) 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 105 110 115 120 125 130 135 140 145 150 21.3 23.3 25.3 27.3 29.3 31.3 33.3 35.3 37.3 39.3 41.3 43.3 45.3 47.3 49.3 51.3 53.3 55.3 57.3 59.3 61.3 63.3 65.3 67.3 69.3 71.3 73.3 75.3 77.3 79.3 81.3 83.3 85.3 90.3 95.3 100.3 105.3 110.3 115.3 120.3 125.3 130.3 135.3 Temperature (◦ C) (◦ F) Enthalpy per unit mass Centigrade units (kcal/kg) Entropy (Btu/lb◦ F) Specific volume (ft3 /lb) Fahrenheit units (Btu/lb) Water Steam Steam 0.3833 0.3879 0.3923 0.3964 0.4003 0.4041 0.4077 0.4112 0.4146 0.4179 0.4211 0.4242 0.4272 0.4302 0.4331 0.4359 0.4386 0.4412 0.4437 0.4462 0.4486 0.4510 0.4533 0.4556 0.4579 0.4601 0.4622 0.4643 0.4664 0.4684 0.4704 0.4723 0.4742 0.4789 0.4833 0.4876 0.4918 0.4958 0.4997 0.5035 0.5071 0.5106 0.5140 1.6860 1.6817 1.6776 1.6737 1.6700 1.6664 1.6630 1.6597 1.6566 1.6536 1.6507 1.6478 1.6450 1.6423 1.6398 1.6374 1.6350 1.6327 1.6304 1.6282 1.6261 1.6240 1.6219 1.6199 1.6180 1.6161 1.6142 1.6124 1.6106 1.6088 1.6071 1.6054 1.6038 1.6000 1.5963 1.5927 1.5891 1.5856 1.5823 1.5792 1.5763 1.5733 1.5705 11.58 11.02 10.50 10.30 9.600 9.209 8.848 8.516 8.208 7.922 7.656 7.407 7.175 6.957 6.752 6.560 6.378 6.206 6.044 5.890 5.743 5.604 5.472 5.346 5.226 5.110 5.000 4.896 4.796 4.699 4.607 4.519 4.434 4.230 4.046 3.880 3.729 3.587 3.456 3.335 3.222 3.116 3.015 Water Latent Steam Water Latent Steam 127.2 128.9 130.7 132.3 133.9 135.4 136.9 138.3 139.7 141.0 142.3 143.6 144.9 146.1 147.3 148.4 149.5 150.6 151.6 152.6 153.6 154.6 155.6 156.5 157.5 158.4 159.4 160.3 161.2 162.0 162.8 163.6 164.4 166.4 168.2 170.0 171.8 173.5 175.2 176.8 178.3 179.8 181.3 260.9 264.1 267.2 270.3 273.1 275.8 278.5 281.0 283.5 285.9 288.3 290.5 292.7 294.9 296.9 299.0 301.0 302.9 304.8 306.7 308.5 310.3 312.0 313.7 315.4 317.1 318.7 320.3 321.9 323.3 324.8 326.6 327.8 331.3 334.8 338.1 341.3 344.4 347.3 350.2 353.0 355.8 358.4 127.7 129.5 131.2 132.9 134.5 136.0 137.5 139.0 140.4 141.8 143.1 144.4 145.6 146.8 148.0 149.2 150.3 151.5 152.6 153.6 154.7 155.7 156.7 157.7 158.6 159.6 160.5 161.5 162.4 163.3 164.1 165.0 165.8 167.9 169.8 171.7 173.6 175.4 177.1 178.8 180.5 182.1 183.7 521.5 520.3 519.2 518.0 516.9 515.9 514.8 513.8 512.8 511.8 510.9 510.0 509.2 508.4 507.6 506.7 505.9 505.0 504.2 503.4 502.6 501.8 501.1 500.3 499.6 498.9 498.3 497.6 496.9 496.3 495.7 495.0 494.3 492.7 491.2 489.8 488.3 486.9 485.6 484.2 482.9 481.6 480.3 649.2 649.8 650.4 650.9 651.4 651.9 652.3 652.8 653.2 653.6 654.0 654.4 654.8 655.2 655.6 655.9 656.2 656.5 656.8 657.0 657.3 657.5 657.8 658.0 658.2 658.5 658.8 659.1 659.3 659.6 659.8 660.0 660.1 660.6 661.0 661.5 661.9 662.3 662.7 663.0 663.4 663.7 664.0 229.7 233.0 236.1 239.1 242.0 244.9 247.6 250.2 252.7 255.2 257.6 259.9 262.2 264.4 266.5 268.6 270.7 272.7 274.6 276.5 278.4 280.3 282.1 283.9 285.6 287.3 289.0 290.7 292.3 293.9 295.5 297.0 298.5 302.2 305.7 309.2 312.5 315.7 318.8 321.9 324.9 327.8 330.6 938.5 936.4 934.4 932.3 930.3 928.3 926.4 924.6 922.9 921.1 919.4 917.8 916.2 914.6 913.1 911.6 910.1 908.7 907.4 906.0 904.6 903.2 901.9 900.6 899.4 898.1 896.8 895.5 894.3 893.1 891.9 890.8 889.7 886.9 884.2 881.5 878.9 876.4 874.0 871.5 869.1 866.8 864.5 1168.2 1169.4 1170.5 1171.4 1172.3 1173.2 1174.0 1174.8 1175.6 1176.3 1177.0 1177.7 1178.4 1179.0 1179.6 1180.2 1180.8 1181.4 1182.0 1182.5 1183.0 1183.5 1184.0 1184.5 1185.0 1185.4 1185.8 1186.2 1186.6 1187.0 1187.4 1187.8 1188.2 1189.1 1189.9 1190.7 1191.4 1192.1 1192.8 1193.4 1194.0 1194.6 1195.1 1144 CHEMICAL ENGINEERING Table 1C. Saturation Pressure P (kN/m2 ) Ts (K) 100 200 300 400 500 600 700 800 900 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 372.78 393.38 406.69 416.78 425.00 431.99 438.11 443.56 448.56 453.03 485.59 506.98 523.49 537.09 548.71 558.95 568.13 576.46 584.11 591.19 597.79 Temperature, θ (◦ C) 2675.4 2706.3 2724.7 2737.6 2747.5 2755.5 2762.0 2767.5 2772.1 2776.2 2797.2 2802.3 2800.3 2794.2 2785.0 2773.4 2759.9 2744.6 2727.7 2709.3 2698.2 Saturation Ts (K) 100 200 300 400 500 600 700 800 900 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 372.78 393.38 406.69 416.78 425.00 431.99 438.11 443.56 448.56 453.03 485.59 506.98 523.49 537.07 548.71 558.95 568.13 576.46 584.11 591.19 597.79 100 200 300 400 500 600 700 800 Ss Temperature, 373.15 473.15 573.15 673.15 773.15 873.15 973.15 1073.15 (kJ/kg) T (K) 2676.0 2875.4 2870.4 2866.0 2861.3 2856.0 2850.7 2845.5 2839.7 2834.0 2828.7 Table 1D. Pressure P (kN/m2 ) Enthalpy of superheated steam, H (kJ/kg) 3074.6 3072.0 3069.7 3067.0 3064.8 3062.0 3059.5 3057.0 3055.0 3051.7 3024.8 2994.8 2962.0 2926.0 2886.0 2840.0 2785.0 3278.0 3276.4 3275.0 3273.5 3272.1 3270.0 3269.0 3266.8 3266.2 3264.3 3248.0 3231.7 3214.8 3196.9 3178.0 3159.1 3139.5 3119.0 3097.7 3075.6 3052.9 3488.0 3487.0 3486.0 3485.0 3484.0 3483.0 3482.6 3480.4 3479.5 3478.0 3467.0 3456.0 3445.0 3433.8 3421.7 3410.0 3398.0 3385.5 3373.6 3361.0 3349.0 3705.0 3704.0 3703.1 3702.0 3701.2 3701.0 3700.2 3699.0 3698.6 3697.5 3690.0 3681.6 3673.4 3665.4 3657.0 3648.8 3640.4 3632.0 3624.0 3615.5 3607.0 3928.0 3927.0 3927.0 3926.0 3926.0 3925.0 3924.0 3923.8 3923.0 3922.8 3916.0 3910.4 3904.0 3898.0 3891.8 3886.0 3880.8 3873.6 3867.2 3862.0 3855.3 4159.0 4158.0 4158.0 4157.0 4156.8 4156.2 4156.0 4155.0 4155.0 4154.0 4150.0 4145.0 4139.6 4135.5 4130.0 4124.8 4121.0 4116.0 4110.8 4106.0 4101.2 600 700 800 Entropy of superheated steam, S (kJ/kg K) Temperature, θ (◦ C) 100 200 300 400 500 Hs Temperature, 373.15 473.15 573.15 673.15 773.15 873.15 973.15 1073.15 (kJ/kg) T (K) 7.3598 7.1268 6.9909 6.8943 6.8192 6.7575 6.7052 6.6596 6.6192 6.5828 6.3367 6.1838 6.0685 5.9735 5.8907 5.8161 5.7470 5.6820 5.6198 5.5596 5.5003 7.362 7.834 7.507 7.312 7.172 7.060 6.968 6.888 6.817 6.753 6.695 8.216 7.892 7.702 7.566 7.460 7.373 7.298 7.234 7.176 7.124 6.768 6.541 6.364 6.211 6.060 5.933 5.792 8.544 8.222 8.033 7.898 7.794 7.708 7.635 7.572 7.515 7.465 7.128 6.922 6.770 6.647 6.542 6.450 6.365 6.288 6.215 6.145 6.077 8.834 8.513 8.325 8.191 8.087 8.002 7.930 7.867 7.812 7.762 7.431 7.233 7.090 6.977 6.880 6.798 6.724 6.659 6.598 6.540 6.488 9.100 8.778 8.591 8.455 8.352 8.268 8.195 8.133 8.077 8.028 7.702 7.508 7.368 7.258 7.166 7.088 7.020 6.958 6.902 6.850 6.802 9.344 9.020 8.833 8.700 8.596 8.510 8.438 8.375 8.321 8.272 7.950 7.756 7.620 7.510 7.422 7.345 7.280 7.220 7.166 7.117 7.072 9.565 9.246 9.057 8.925 8.820 8.738 8.665 8.602 8.550 8.502 8.176 7.985 7.850 7.744 7.655 7.581 7.515 7.457 7.405 7.357 7.312 1145 K 700 600K 550K 450K 500K 0K 80 400K 0K 90 350K K 00 6.0 10 100,000 300K APPENDIX 6.5 7.0 0.004 600K 0.006 0.01 10,000 0.02 7.5 550K 0.04 0.06 500K 8.0 0.1 450K 0.2 8.5 0.6 0.8 9.0 1.0 100 2.0 350K Temperature, T 9.5 4.0 10.0 6.0 8.0 1000K 900K 300K 350K 400K 450K 500K 550K 600K 1,0 40 800K 300K 10 20 700K 10 Temperature 0.1 0 500 1000 1500 2000 2500 3000 3500 Enthalpy, H (kJ/kg) Figure 1A. Pressure–enthalpy diagram for water and steam 4000 4500 Entropy, S (kJ/kgK) 0.4 400K Specfic volume v (m3/kg) Absolute presssure, P (kN/m2) 1000 1146 CHEMICAL ENGINEERING 750 700 650 12,000 11,000 10,000 9000 8000 7000 6000 600 5000 4000 3000 2000 re, P (kN /m 2) 500 1000 900 800 700 600 500 400 300 ssu 450 Pre Temperature, T (K) 550 400 200 100 350 300 0 1 2 3 4 5 6 7 Entropy per unit mass, S (kJ/kgK) Figure 1B. Temperature–entropy diagram for water and steam 8 9 10 1147 APPENDIX Table A2. CONVERSION FACTORS FOR SOME COMMON SI UNITS An asterisk (∗ ) denotes an exact relationship. Length Time 1 1 1 1 ∗1 in ft yd mile Å (Angstrom) ∗1 ∗1 ∗1 min h day 1 year : : : : : 25.4 mm 0.3048 m 0.9144 m 1.6093 km 10−10 m : : : : 60 s 3.6 ks 86.4 ks 31.5 Ms Area 1 1 1 1 1 in2 ft2 yd2 mile2 acre : : : : : 645.16 mm2 0.092903 m2 0.83613 m2 2.590 km2 4046.9 m2 Volume 1 1 1 1 1 in3 ft3 yd3 UK gal US gal : : : : : 16.387 cm3 0.02832 m3 0.76453 m3 4546.1 cm3 3785.4 cm3 1 oz lb 1 cwt 1 ton : : : : 28.352 g 0.45359237 kg 50.8023 kg 1016.06 kg 1 pdl 1 lbf kgf 1 tonf ∗ 1 dyn : : : : : 0.13826 N 4.4482 N 9.80665 N 9.9640 kN 10−5 N ∗1 : 5 9 : : 1.3558 J 0.04214 J : : : : : : : 4.1868 J 10−7 J 1.05506 kJ 2.6845 MJ 3.6 MJ 105.51 MJ 4.1855 MJ Mass Force ∗1 ∗1 Temperature difference Energy (work, heat) deg F (deg R) 1 ft lbf 1 ft pdl ∗ 1 cal (international table) ∗ 1 erg 1 Btu 1 hp h ∗ 1 kWh 1 therm 1 thermie deg C (deg K) Calorific value (volumetric) 1 Btu/ft3 : 37.259 kJ/m3 Velocity 1 ft/s 1 mile/h : : 0.3048 m/s 0.44704 m/s Volumetric flow 1 ft3 /s : 0.028316 m3 /s ft3 /h 1 1 UK gal/h 1 US gal/h : : : 7.8658 cm3 /s 1.2628 cm3 /s 1.0515 cm3 /s 1 lb/h : 0.12600 g/s 1 ton/h : 0.28224 kg/s lb/in2 : 703.07 kg/m2 Mass flow Mass per unit area 1 1148 Density Pressure CHEMICAL ENGINEERING 1 lb/ft2 1 ton/sq mile : : 4.8824 kg/m2 392.30 kg/km2 1 lb/in3 : 27.680 g/cm3 1 lb/ft3 1 lb/UK gal 1 lb/US gal : : : 16.019 kg/m3 99.776 kg/m3 119.83 kg/m3 1 lbf/in2 : 6.8948 kN/m2 : : : : : : : : : 15.444 MN/m2 47.880 N/m2 101.325 kN/m2 98.0665 kN/m2 105 N/m2 2.9891 kN/m2 249.09 N/m2 3.3864 kN/m2 133.32 N/m2 : 745.70 W : : : : 735.50 W 10−7 W 1.3558 W 0.29307 W 1 1 ∗1 ∗1 ∗1 1 1 1 1 Power (heat flow) tonf/in2 lbf/ft2 standard atmosphere atm (1 kgf/cm2 ) bar ft water in. water in. Hg mm Hg (1 torr) 1 hp (British) 1 ∗1 1 1 1 hp (metric) erg/s ft lbf/s Btu/h ton of refrigeration : 3516.9 W Moment of inertia 1 lb ft2 : 0.042140 kg m2 Momentum 1 lb ft/s : 0.13826 kg m/s Angular momentum 1 lb ft2 /s : 0.042140 kg m2 /s : 0.1 N s/m2 : : 0.41338 mN s/m2 1.4882 N s/m2 : 10−4 m2 /s : 0.25806 cm2 /s : 10−3 J/m2 : (10−3 N/m) : 1.3562 g/s m2 Viscosity, dynamic ∗1 P (poise) 1 lb/ft h 1 lb/ft s Viscosity, kinematic ∗1 Surface energy (surface tension) ∗1 S (stokes) 1 ft2 /h ∗ (1 Mass flux density Heat flux density erg/cm2 dyn/cm) 1 lb/h ft2 1 Btu/h ft2 ∗1 kcal/h : 3.1546 W/m2 m2 : 1.163 W/m2 ft2 ◦ F : 5.6783 W/m2 K 2.326 kJ/kg Heat transfer coefficient 1 Btu/h Specific enthalpy (latent heat, etc.) 1 Btu/lb : Specific heat capacity 1 Btu/lb ◦ F : 4.1868 kJ/kg K : : 1.7307 W/mK 1.163 W/mK Thermal conductivity 1 Btu/h ft ◦ F ∗ 1 kcal/h m ◦ C Taken from MULLIN, J. W.: The Chemical Engineer 211 (Sept. 1967), 176. SI units in chemical engineering.