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MolSieve manufacturers can be a good source for this type of information.

Moisture does not destroy the molsieve. It is designed to take water out as well as carbon dioxide. Sometimes the molsieve can be brought back through elevated regen temp. Do you have the possibility of using higher steam temp? MolSieve can be also baked-out at the factory in some cases...

68 F dpt is actually maximum capability. required control range is actually between 46f and 54f dpt.

Flow is 2,000 SCFH Normal (3,000 SCFH max) Supply Pressure is 4 psig (min) to 17 psig (max..which can be regulated down further) at Temperature of 68 F and feed dew point in range of -40f to -94f. Require that the h2 gas be delivered at constant flow with +68f dew point (assuming +/- 10% water...

Looking for help in selecting best way to add moisture to dry hydrogen gas to reach and maintain a desired dew point.

You can ask for typical performance data (of the dessicant material) from activated alumina vendors. Specifically you should ask for isotherms, to ensure that dessicant material performs to requirements.

For a given size pellets tend to have a higher pressure drop. When sizing vessels beads allow smaller diameters because they are harder to fluidize. Tom

Thanks. You are all awesome!

You should be able to get some basic sizing information from adsorbent manufacturers such as Alcoa and UOP. Both of these companies are interested in selling their activated alumina for this application and normally give out this info for free. If you need lower dewpoints molecular sieves by...

Suggestions on process selection preferences for purification(Removal of CO2, H2S and H2O)from natural gas well. Have heard of difficulties with membranes and that MDEA is the latest hottest way to go if scrubbing. Temperature Rating : 130 - 140 degree Farenheit Pressure Rating : 1200 - 1300...