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Title: Testing And Troubleshooting Molecular Sieve Dehydration Systems Used In Cryogenic Processing
Author: C. R. Freeman
Source: 1971 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1971
Abstract: In recent years, the rapid growth of cryogenic processing and the associated low moisture level requirements have resulted in the installation of many Molecular Sieve cryogenic feed dehydrators. Molecular Sieve cryogenic feed dehydration has proved reliable in a variety of ccnmerclal installations including: l) hydrocarbon recovery plants operating at -160F 2) ethylene plants operating at less than -170F 3) liquified natural gas plants operating at -260F 4) plants extracting helium from natural gas at -270F and 5) air separation plants operating at -320F. The low dew points required to prevent freeze-up at these low process temperatures have demonstrated many times the ability of Molecular Sieves to attain extremely low moisture levels.

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