Molecular Sieve Product Grade Chart

  Molecular Sieve Recommendations  
Grade Type Bead Size Comments
MS 513
MS 514
4A
4A
4 x 8 mesh beads
8 x 12 mesh beads
Use for most gas dehydration applications to < 0.1 ppm(v) H2O
MS 514-LNG 4A 8 x 12 mesh beads H2O and CO2 removal from LNG
MS 521
MS 522
5A
5A
4 x 8 mesh beads
8 x 12 mesh beads
H2S and CO2 removal applications

Also for PSA Hydrogen purifiers

SZ-5 5A COS min. 8 x 12 mesh beads Use to minimize COS formation when treating sour gas
MS 562
MS 564
3A
3A
4 x 8 mesh beads
8 x 12 mesh beads
Use for dehydration of most liquid streams to < 1.0 ppm(w)
MS 562 CS
MS 564 CS
3A High-Strength
3A High-Strength
4 x 8 mesh beads
8 x 12 mesh beads
Use for cracked gas and FCC off gas application for long life and low pressure drop
MS 542HP
MS 544HP
13X
13X
4 x 8 mesh beads
8 x 12 mesh beads
High capacity for CO2 and impurities in butane isomerizers and air pretreatment applications
SZ-9 L13X - COS min. 8 x 12 mesh beads COS minimization when removing H2S and CO2 from isomerization feed

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