
O le sieve molecular 3A e igoa ia Potassium A (3A) molecular sieve, o le lautele o le pu e 3A, e faʻaaogaina tele mo le mitiia o le vai, e mafai ona mitiia le lautele taua o le molecular 3A, e le mafai ona mitiia soʻo se molecular e le sili atu lona lautele i le molecular 3A. E tusa ai ma le faʻaaogaina i uiga faʻapisinisi, e vave ona mitiia, e tele atu le taimi e toe faʻafouina ai, e sili atu le malosi o le olopalaina ma le mafai ona teteʻe atu i le faʻaleagaina, faʻaleleia atili le lelei o le faʻaaogaina o le sieve molecular ma faʻaumiumi ai le ola o le sieve molecular, o le muamua lea o le desiccant e faʻaaogaina i le loloto o le mago, faʻamamaina o vailaʻau ma le polymerization i alamanuia suauʻu ma kesi.
| Mea | Iunite | Fa'amatalaga fa'apitoa | |||
| Foliga | Pellet | Siosiomaga | |||
| Lapo'a | mm | 1.5-1.7 | 3.0-3.3 | 1.7-2.5 | 3.0-5.0 |
| Fua fa'atatau o le tele e o'o atu i le vasega | % | ≥98 | ≥98 | ≥98 | ≥98 |
| Mafiafia tele | kalama/ml | ≥0.65 | ≥0.65 | ≥0.70 | ≥0.70 |
| Fua fa'atatau o le ofuina | % | ≤0.20 | ≤0.25 | ≤0.10 | ≤0.10 |
| Malosiaga e olopalaina | N | ≥45/cm | ≥60/cm | ≥30/p | ≥70/p |
| Fa'asusuina o le vai tumau | % | ≥20 | ≥20 | ≥20 | ≥20 |
| Fa'asusuina o le Ethylene | % | ≤3.0 | ≤3.0 | ≤3.0 | ≤3.0 |
| O le aofa'i o le vai, e pei ona lafoina | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
a) Fa'amagoina o hydrocarbons e le'i fa'atumuina (e pei o le ethylene, propylene, butadien)
b) Fa'amagoina o le Kasa ua Māvaevae
c) Fa'amagoina o le kesi masani, pe afai e mana'omia le fa'aitiitia o le COS, pe mana'omia se fa'aitiitiga o le co-adsorption o hydrocarbons.
d) Fa'amagoina o vaila'au e matua polar, e pei o le methanol ma le ethanol
e) Fa'amagoina o le 'ava malosi vai, CNG.
f) Fa'amago o le eletise e le suia, (e le toe fa'afouina) o iunite tioata e fa'amafanafana ai, pe fa'atumuina i le ea pe fa'atumuina i le kesi.
g) Fa'amagoina o le CNG.
Ina ia ʻalofia le susu ma le vave mitiia o mea ola aʻo leʻi faʻagaoioia, pe e tatau ona toe faʻagaoioia.