![]() However, for mixtures of compounds of similar molecular structure and size, the K value depends mainly on temperature and pressure. 4, the i complex function of temperature, pressure, and equilibrium vapor- and hquid-phase compositions. The measurement of the vapor pressure and flash point of crude oils enables the light hydrocarbon content to be estimated. The average error is around 2% when the calculated vapor pressure is greater than 0.1 bar. This method is based on the expression proposed by Lee and Kesler in 1975. Hence, many of the droplets that pass over the vertical plate from one compartment to the next have experienced vaporization (and have reduced concentrations of isobutane). have reported that there is a temperature increase from the first to the last compartment simultaneously, the quality of the alkylate decreases.The vaporization, with high certainty, occurs mainly in those droplets positioned at or near the top surface of the dispersion, where the pressure is lowest. Light hydrocarbons and especially isobutane vaporize this vaporization removes most but not all of the following heats of reaction plus energy provided by agitation. In each compartment, the pressure is regulated so that some of the dispersed hydrocarbons vaporize. ![]()
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