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Table 5.25. Parameters of the sorption isotherm models, coefficient of determination R 2 , mean relative deviation modulus P,<br />
and standard errors of the estimate E s for isotherms of dry leaf fines aged 52 and 36 weeks at 30, 45, 55 and 60 o C.<br />
Dry leaf fines<br />
Model Parameter 52 weeks 36 weeks<br />
30 o C 45 o C 55 o C 60 o C 30 o C 45 o C 55 o C 60 o C<br />
GAB mo 7.62 4.32 3.71 3.36 4.98 4.44 5.15 4.03<br />
b 8.604 22.56 29.23 13.66 27.94 9.307 6.598 7.402<br />
c 0.7344 0.8615 0.8836 0.9123 0.8227 0.8711 0.8344 0.8713<br />
R 2 0.9761 0.9984 0.9940 0.9853 0.9713 0.9779 0.9910 0.9804<br />
P 5.004 2.863 6.683 7.368 6.033 9.909 5.731 10.75<br />
Es 1.630 0.4905 0.9424 1.792 1.777 2.002 1.164 1.755<br />
Hailwood Horrobin b 0.023 0.007 0.004 0.003 0.004 0.009 0.017 0.004<br />
c 0.094 0.226 0.268 0.309 0.202 0.228 0.186 0.274<br />
d -0.081 -0.201 -0.241 -0.286 -0.170 -0.208 -0.170 -0.246<br />
R 2 0.976 0.998 0.994 0.986 0.971 0.978 0.992 0.982<br />
P 4.648 2.597 7.735 6.526 5.204 12.21 6.067 11.60<br />
Es 1.642 0.4658 0.9575 1.743 1.771 1.924 1.064 1.570<br />
Henderson b 0.01211 0.02689 0.03865 0.05962 0.01301 0.03958 0.03398 0.04245<br />
c 1.752 1.532 1.430 1.254 1.789 1.370 1.439 1.396<br />
R 2 0.9874 0.9830 0.9638 0.9762 0.9748 0.9884 0.9974 0.9887<br />
P 5.872 7.808 12.20 11.12 7.925 7.016 3.301 6.448<br />
Es 1.646 1.416 2.002 2.720 1.789 1.782 0.7004 1.640<br />
Bradley b 5.804 2.997 2.521 1.883 4.360 2.601 3.063 2.575<br />
c 0.8117 0.8333 0.8366 0.8614 0.8120 0.8483 0.8335 0.8337<br />
R 2 0.9584 0.9942 0.9803 0.9699 0.9777 0.9823 0.9978 0.9847<br />
P 9.734 6.667 14.26 17.90 7.057 9.699 3.346 8.837<br />
Es 1.921 0.7999 1.517 2.252 1.394 1.554 0.4958 1.307<br />
Caurie I b 0.1273 0.1519 0.1648 0.1822 0.1344 0.1623 0.1555 0.1662<br />
mo 0.8455 0.8673 0.8855 0.8619 0.8834 0.8408 0.8596 0.8879<br />
R 2 0.9315 0.9895 0.9761 0.9936 0.9786 0.9664 0.9671 0.9774<br />
P 13.73 6.214 9.174 5.811 7.571 11.75 11.12 9.094<br />
Es 3.252 1.460 1.692 1.353 1.695 1.890 2.135 1.295<br />
Smith b -5.477 -6.333 -6.467 -7.743 -5.561 -7.020 -6.289 -6.319<br />
c 6.012 3.171 2.304 0.7886 4.519 2.649 3.406 2.424<br />
R 2 0.9319 0.9987 0.9902 0.9861 0.9763 0.9875 0.9940 0.9916<br />
P 14.54 2.396 8.223 8.810 7.473 9.976 7.497 7.389<br />
Es 2.457 0.3837 1.068 1.529 1.439 1.310 0.8115 0.9669<br />
Oswin b 10.593 8.210 7.436 6.787 8.912 8.118 8.485 7.341<br />
c 0.243 0.318 0.341 0.398 0.280 0.342 0.309 0.340<br />
R 2 0.926 0.990 0.982 0.993 0.973 0.990 0.985 0.995<br />
P 17.24 7.441 11.35 7.091 9.081 11.14 13.10 7.556<br />
Es 2.560 1.065 1.438 1.107 1.526 1.182 1.272 0.7685<br />
Halsey b 2.883 2.456 2.321 2.045 2.809 2.248 2.412 2.327<br />
c 387.4 90.93 55.08 27.92 245.6 55.59 81.96 54.95<br />
R 2 0.8803 0.9672 0.9564 0.9768 0.9540 0.9288 0.9289 0.9466<br />
P 18.26 11.23 12.36 11.51 12.03 17.60 16.24 14.43<br />
Es 3.839 2.242 2.343 2.158 2.234 2.603 2.836 1.967<br />
Caurie II b 1.243 0.9291 0.7654 0.5239 1.183 0.7696 0.8364 0.7195<br />
c 2.038 2.295 2.428 2.774 1.988 2.547 2.432 2.483<br />
R 2 0.9873 0.9679 0.9324 0.9518 0.9671 0.9590 0.9809 0.9576<br />
P 5.593 10.63 16.91 15.48 8.347 11.59 8.427 12.96<br />
Es 1.485 2.624 3.266 4.492 2.532 3.404 2.242 3.239<br />
Modified GAB b 7.843 4.207 3.626 3.179 4.804 4.098 4.660 3.561<br />
c 0.728 0.865 0.886 0.918 0.829 0.881 0.849 0.887<br />
d 227.477 1879.811 3847.253 6821.804 1974.738 1340.801 833.710 5015.572<br />
R 2 0.976 0.998 0.994 0.986 0.971 0.978 0.992 0.982<br />
P 4.814 2.6126 7.5006 6.543 5.478 12.075 5.920 11.643<br />
Es 1.627 0.4596 0.9299 1.746 1.763 1.922 1.049 1.569<br />
Kuhn b -0.3465 -0.4154 -0.4176 -0.5113 -0.3740 -0.4723 -0.4003 -0.4116<br />
c 10.689 8.381 7.687 7.029 8.934 8.241 8.733 7.609<br />
R 2 0.7229 0.8704 0.8765 0.9340 0.8557 0.9057 0.8548 0.9137<br />
P 35.41 30.57 31.89 32.08 26.91 36.96 37.90 32.09<br />
Es 4.956 3.778 3.796 3.334 3.548 3.593 3.994 3.103<br />
Iglesias - Chirife b 0.347 0.416 0.418 0.512 0.374 0.473 0.401 0.412<br />
c 10.844 8.566 7.873 7.257 9.100 8.451 8.913 7.793<br />
R 2 0.721 0.869 0.876 0.933 0.854 0.905 0.854 0.913<br />
P 35.54 30.73 32.06 32.30 27.04 37.20 34.88 32.28<br />
Es 4.970 3.793 3.810 3.353 3.563 3.612 4.215 3.119<br />
Mizrahi b -10.84 -8.566 -7.873 -7.257 -9.100 -8.451 -8.913 -7.793<br />
c -10.50 -8.150 -7.455 -6.745 -8.726 -7.978 -8.512 -7.381<br />
R 2 0.721 0.869 0.876 0.933 0.854 0.905 0.854 0.913<br />
P 35.20 30.73 32.06 32.30 27.04 37.20 38.08 32.28<br />
Es 4.974 3.793 3.810 3.353 3.563 3.612 4.010 3.119<br />
Modified BET mo 2.494 2.487 2.412 2.691 2.396 2.682 2.459 2.374<br />
b 50000000 40000000 40000000 60000000 60000000 50000000 50000000 50000000<br />
R 2 0.194 0.686 0.750 0.887 0.526 0.778 0.639 0.773<br />
P 45.15 36.85 34.53 26.30 42.02 31.82 37.10 33.74<br />
Es 8.456 5.884 5.405 4.355 6.429 5.506 6.302 5.037<br />
Note: m o, b, c and d are constants.<br />
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