
3A molecular sieve hu ua Potassium A (3A) molecular sieve, lub qhov taub yog 3A, Feem ntau siv rau kev nqus dej, tuaj yeem nqus tau qhov tseem ceeb ntawm txoj kab uas hla 3A molecular, tsis tuaj yeem nqus tau txhua yam molecular uas txoj kab uas hla tsis pub tshaj 3A molecular. Raws li daim ntawv thov ntawm cov yam ntxwv kev lag luam, nws muaj kev nqus sai dua, ntau zaus rov ua dua tshiab, lub zog sib tsoo siab dua thiab muaj peev xwm tiv taus kev ua qias tuaj, txhim kho kev siv cov molecular sieve thiab ua kom lub neej ua haujlwm ntev dua ntawm molecular sieve, nws yog thawj desiccant siv rau hauv qhov tob qhuav, tshuaj refined thiab polymerization hauv roj thiab roj kev lag luam.
| Khoom | Chav tsev | Cov ntaub ntawv kev siv tshuab | |||
| Duab | Pellet | Lub pob kheej kheej | |||
| Txoj kab uas hla | mm | 1.5-1.7 | 3.0-3.3 | 1.7-2.5 | 3.0-5.0 |
| Qhov loj sib piv txog qib | % | ≥98 | ≥98 | ≥98 | ≥98 |
| Qhov ceev ntawm cov khoom loj | g/ml | ≥0.65 | ≥0.65 | ≥0.70 | ≥0.70 |
| Kev hnav piv | % | ≤0.20 | ≤0.25 | ≤0.10 | ≤0.10 |
| Lub zog tsoo | N | ≥45/cm | ≥60/cm2 | ≥30/p | ≥70/p |
| Kev nqus dej zoo li qub | % | ≥20 | ≥20 | ≥20 | ≥20 |
| Kev nqus ntawm ethylene | % | ≤3.0 | ≤3.0 | ≤3.0 | ≤3.0 |
| Cov dej ntsiab lus, raws li xa khoom | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
a) Kev ziab cov roj hydrocarbons uas tsis tau saturated (piv txwv li ethylene, propylene, butadien)
b) Kev Qhuav Roj Tawg
c) Kev ziab cov roj av, yog tias qhov COS tsawg kawg nkaus yog qhov tseem ceeb, lossis qhov tsawg kawg nkaus co-adsorption ntawm hydrocarbons yog qhov xav tau.
d) Kev ziab cov tshuaj sib xyaw ua ke uas muaj cov polarity siab heev, xws li methanol thiab ethanol
e) Kev ziab cov cawv ua kua, CNG.
f) Lub cev qhuav dej uas tsis rov ua dua tshiab ntawm cov iav rwb thaiv tsev, txawm tias muaj cua lossis roj.
g) Kev ziab CNG.
Yuav kom tsis txhob muaj dej noo thiab ua ntej adsorption ntawm cov organic ua ntej khiav, lossis yuav tsum tau rov ua dua.