How to regenerate the molecular sieve 3A?

Molecular sieve 3A can be regenerated by either heating in the case of thermal swing processes; or by lowering the pressure in the case of pressure swing processes. To remove moisture from 3A molecular sieve, a temperature of 200-230°C is required. A properly regenerated molecular sieve 3A can give moisture dew points below -100°C. The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process.

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