How do I know when it is time to reload and is a breakthrough test required?

How do I know when it is time to reload and is a breakthrough test required?

If there are changes in the normal dewpoint trendlines or signs of increasing dewpoints during normal adsorption cycles, it may be indication that water breakthrough is occurring, and the sieve may soon require change out. Other indicators include high or increasing pressure drop across the sieve beds, in-line strainers, and heat exchangers, changes in normal flow rates and patterns, and increased difficulty maintaining consistent flow, temperature, or pressure. In many cases performance history together with the current performance and a design simulation run will provide a good indication of expected remaining life of the sieve. When additional or more accurate data is needed to predict sieve life, a breakthrough test can be performed on the sieve beds or on the weakest bed (if there is a known weaker bed).

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