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Experimental Methods, Results and Discussion The intensity of scattered light (Isc) and transmitted light (Itr) are corrected for density fluctuations, reflections, and multiple scattering effects. The operational spinodal point will be taken at the interception point where 1/Isc,corr = 0. At this point, the intensity of scattered light has an infinite value. Since it is easy to apply and has good reproducibility, this extrapolation has been widely used. II.6.3. Experimental Results and Discussion Experimental data measured for the studied systems at atmospheric pressure and high pressure are presented in Table II.20 and II.21 respectively. Table II.20. Experimental Liquid-Liquid Solubility Data for Perfluoro-n-octane (1) + Alkane (2) (C6 - C9) Mixtures at Atmospheric Pressure. C8F18 + C6H14 C8F18 + C7H16 C8F18 + C8H18 C8F18 + C9H20 T / K x1 T / K x1 T / K x1 T / K x1 293.98 0.0806 319.13 0.1024 334.24 0.0991 352.09 0.1116 306.36 0.1222 328.21 0.1772 345.48 0.1669 362.24 0.1650 308.95 0.1683 330.76 0.2611 349.16 0.2374 367.65 0.2526 310.83 0.2518 330.76 0.3185 350.52 0.3013 368.85 0.3505 310.81 0.2997 330.96 0.3818 350.44 0.4026 368.49 0.4342 310.71 0.3470 330.58 0.4967 349.70 0.4984 367.46 0.5395 310.65 0.3959 329.80 0.5437 346.09 0.5964 362.59 0.6391 309.61 0.4425 316.24 0.7048 336.01 0.7245 349.16 0.7639 308.49 0.4891 327.71 0.7640 322.99 0.8805 305.74 0.5440 299.71 0.8919 303.05 0.6000 296.93 0.6657 293.89 0.6924 - 79 -
Experimental Methods, Results and Discussion Table II.21. Experimental Liquid-Liquid Solubility Data for Perfluoro-n-octane (1) + Alkane (2) (C6 - C9) Mixtures at Pressures P. C8F18 + C6H14 x1 = 0.2552 x1 = 0.2678 x1 = 0.2644 T / K P / MPa T / K P / MPa T / K P / MPa 311.58 1.48 311.13 0.85 311.72 1.43 312.08 2.18 311.80 1.74 312.52 2.45 312.59 2.88 311.41 1.23 313.29 3.40 313.31 3.78 310.89 0.53 314.02 4.42 314.12 4.95 313.24 3.60 314.81 5.45 310.98 0.71 312.42 2.57 322.99 16.70 310.53 0.13 332.97 31.00 342.95 46.50 353.00 62.80 363.07 80.20 373.16 98.00 383.43 118.50 394.15 143.00 C8F18 + C7H16 x1 = 0.2552 x1 = 0.2678 T / K 331.90 P / MPa 1.52 T / K 330.88 P/MPa 0.14 333.29 3.20 331.33 0.60 333.78 3.83 331.92 1.37 332.48 2.24 332.82 2.41 333.50 3.28 334.49 4.46 C8F18 + C8H18 x1 = 0.3608 x1 = 0.7510 T / K P / MPa T / K P / MPa 349.80 0.15 332.302 4.02 350.18 0.60 331.999 3.55 350.93 1.48 331.619 3.04 351.80 2.49 331.124 2.54 352.64 3.46 330.628 1.87 353.44 4.42 332.604 4.26 329.668 0.70 329.308 0.29 330.127 1.27 - 80 -
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Ana Maria Antunes Dias Universidade
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o júri presidente Prof. Dr. Joaqui
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palavras-chave resumo perfluoroalca
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Contents Notation List of Tables Li
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Notation Abbreviations AAD EoS LCST
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List of Tables Table I.1 Average Bo
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Table III.6 Adjusted Binary Paramet
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Figure II.9 Comparison between corr
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Figure III.8 Temperature-density di
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Figure III.25 Vapor-phase mole frac
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I.1. Fluorine Properties General In
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Table I.2. Physicochemical Properti
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General Introduction order to compa
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General Introduction the numerous a
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General Introduction carbon dioxide
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General Introduction animals. That
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General Introduction Table I.3. Lit
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References General Introduction Ban
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General Introduction Hildebrand, J.
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General Introduction Rowinsky EK. N
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II. Part EXPERIMENTAL METHODS, RESU
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Experimental Methods, Results and D
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Experimental Methods, Results and D
Page 47 and 48: Experimental Methods, Results and D
Page 49 and 50: Table II.3. (continued) T K ρexp g
Page 51 and 52: ρ / g.cm-3 1.750 1.730 1.710 1.690
Page 55 and 56: I. 3. Vapour pressure I.3.1. Biblio
Page 57 and 58: I.3.2. Apparatus and Procedure Expe
Page 59 and 60: I.3.3. Experimental Results and Dis
Page 63 and 64: Table II.8. (continued) T K Pexp kP
Page 67 and 68: ΔH vap = TΔS vap 2⎛ d ln P ⎞
Page 69 and 70: I.4. Solubility at atmospheric pres
Page 79 and 80: x2 (T,P2) 7.0E-03 6.0E-03 5.0E-03 4
Page 81 and 82: L 2,1 0.70 0.60 0.50 0.40 0.30 285
Page 93 and 94: P / MPa 6 5 4 3 2 1 0 P / MPa 14 12
Page 95 and 96: II.6. Liquid - Liquid Equilibrium I
Page 97: Experimental Methods, Results and D
Page 101 and 102: 0 τ β Δ1 2Δ1 [ 1+ B τ + B τ +
Page 103 and 104: References Experimental Methods, Re
Page 111 and 112: III.1. Introduction Modeling Most c
Page 113 and 114: Modeling The pioneering work of Wer
Page 115 and 116: III.2. Soft-SAFT Model Modeling A S
Page 117 and 118: Modeling The equation of state is w
Page 119 and 120: Chain Term Modeling Originally Wert
Page 121 and 122: Modeling The model is easily extend
Page 123 and 124: ( ) ( ) ∑∑∑ 3 2 2 2 2 qq 32π
Page 125 and 126: Modeling HRT is a promising theory,
Page 127 and 128: ( ρ) ρ , 0 ≤ ρ ( ρ) 2 Modelin
Page 129 and 130: III.3. Application to Pure Compound
Page 131 and 132: Modeling From the optimised paramet
Page 133 and 134: T / K 400 350 300 250 200 150 100 5
Page 135 and 136: ln Pvap 1.0E+01 1.0E+00 1.0E-01 1.0
Page 137 and 138: Modeling Table III.2. Absolute Aver
Page 139 and 140: Modeling The correlation coefficien
Page 141 and 142: Pvap (MPa) 4.00 3.50 3.00 2.50 2.00
Page 143 and 144: Modeling The mixture parameters a a
Page 145 and 146: Modeling the assumptions made by th
Page 147 and 148: Modeling between oxygen and perfluo
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xSolute 5.5E-03 5.0E-03 4.5E-03 4.0
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Modeling previous work, dealing wit
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Modeling These results confirm that
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Modeling CO2 binary mixtures using
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Modeling average deviation (AAD) be
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P / MPa 14 12 10 8 6 4 2 0 0 0.2 0.
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Modeling Figures III.16, III.17 and
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Modeling calculations from the orig
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Table III.9. References for VLE exp
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P / MPa 20 18 16 14 12 10 8 6 4 2 0
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Modeling Finally, Figure III.24 pre
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III.4.4. VLE and LLE of Alkane and
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Modeling number of perfluro-n-alkan
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y C6F14 1.0 0.8 0.6 0.4 0.2 0.0 0.0
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P / MPa 0.08 0.07 0.06 0.05 0.04 0.
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P / MPa 0.12 0.10 0.08 0.06 0.04 0.
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Modeling approach based on the meth
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Modeling Blas, F. J.; Vega, L. F.,
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DIPPR, Thermophysical Properties Da
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Modeling Hildebrand, J. H.; Fisher,
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Modeling McCabe, C.; Jackson, SAFT-
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Modeling Poling, B.; Prauznitz, J.;
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Modeling Wertheim, M. S., Fluids wi
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