Evaluation of Empirical Correlations for Predicting Gas Hydrate Formation Temperature
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
One of the important, practical and simple methods for hydrate formation conditionis empirical equations, and so far many empirical equations have been presented to predict thetemperature and pressure of hydrate formation. In this study, the methods and empiricalcorrelations have been reviewed and their predictive capabilities have been evaluated with theuse of more than 2000 experimental data collected from literature. These data have beenseparated in three groups: (1) simple natural gas components included methane, ethane,propane, isobutane, carbon dioxide, nitrogen, and hydrogen sulfide (2) binary gas mixturesand (3) gas mixture similar to natural gas. In this paper, after expressing the restrictions ofsome empirical correlations have been proposed by scientists before and proposed empiricalcorrelation in the present study, the results of evaluating have been presented in severaltables and curves. The proposed empirical correlation in the present study has shown reliableperformance for both simple natural gas components and mixtures. Despite the existencethree adjustable parameters, the accuracy of this equation shows the ranking 1 to 3 compareto the rest of the equations.
Keywords:
Language:
English
Published:
Gas Processing Journal, Volume:6 Issue: 2, Autumn 2018
Pages:
15 to 36
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