![]() The Murphree efficiencies are less sensitive to changes in parameters than the overall efficiencies. Both measured and estimated efficiencies indicate that the actual efficiencies are higher than recommended in literature. The AIChE method seems to give reasonable efficiency estimates for TEG absorbers. ![]() The estimated Murphree efficiencies varied between 57 and 70%, the estimated overall efficiencies between 31 and 62%. The AIChE method has been used to estimate tray efficiencies under the same conditions. Measured Murphree efficiencies, based on performance data from literature and improved phase equilibrium data, have been calculated to values between 51 and 76%. ![]() ![]() In triethylene glycol (TEG) dehydration, a bubble cap tray efficiency between 25 and 40% has normally been recommended in literature. ![]()
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