Thermophysical Properties of Petroleum Fractions and Crude Ofls 67 3.4. A gas oil has the following TBP distillation data Volume % TBP (°C) 0 216 10 243 30 268 50 284 70 304 90 318 95 327 100 334 It also has an average boiling point of 280 °C and an average density of 0.850 g/cm³. (a) Split this gas oil fraction into five pseudo-components. Calculate T., Pc and w for each pseudo-component. (b) Calculate T, Pc and w for the whole gas oil fraction. (c) Calculate the enthalpy of this gas oil fraction at 400 °C using the Lee- Kessler correlation with a reference state of ideal gas at 273.15 K.
Thermophysical Properties of Petroleum Fractions and Crude Ofls 67 3.4. A gas oil has the following TBP distillation data Volume % TBP (°C) 0 216 10 243 30 268 50 284 70 304 90 318 95 327 100 334 It also has an average boiling point of 280 °C and an average density of 0.850 g/cm³. (a) Split this gas oil fraction into five pseudo-components. Calculate T., Pc and w for each pseudo-component. (b) Calculate T, Pc and w for the whole gas oil fraction. (c) Calculate the enthalpy of this gas oil fraction at 400 °C using the Lee- Kessler correlation with a reference state of ideal gas at 273.15 K.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Thermophysical Properties of Petroleum Fractions and Crude Ofls
67
3.4. A gas oil has the following TBP distillation data
Volume %
TBP (°C)
0
216
10
243
30
268
50
284
70
304
90
318
95
327
100
334
It also has an average boiling point of 280 °C and an average density of
0.850 g/cm³.
(a) Split this gas oil fraction into five pseudo-components. Calculate T., Pc
and w for each pseudo-component.
(b) Calculate T, Pc and w for the whole gas oil fraction.
(c) Calculate the enthalpy of this gas oil fraction at 400 °C using the Lee-
Kessler correlation with a reference state of ideal gas at 273.15 K.
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