New equations estimate acid-gas solubility in TEG

New equations, which cover the full range of dehydration-plant operating conditions and wide range of experimental data results, estimate the amount of H2S and CO2 absorbed per volume of triethylene glycol (TEG) circulated vs. the partial pressure of acid-gas components and the absorber temperature.This article provides comparisons with experimental data.Dehydration processGlycol dehydration of natural gas employs TEG or diethylene glycol (DEG) to remove water from the gas stream. At low temperatures and high pressures, water vapor can cause hydrate formation or corrosion when it contacts H2S or CO2, components regularly found in produced-gas streams.1 Click here to enlarge imageWhen sou...

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