
Molecular Sieve hom 5A yog alkali alumino silicate; nws yog daim ntawv calcium ntawm Hom A siv lead ua qauv. Hom 5A muaj qhov qhib zoo ntawm 5 angstroms (0.5 nm). Nws yuav nqus cov molecules nrog lub kinetic txoj kab uas hla tsawg dua 5 Angstrom thiab tshem tawm cov loj dua.
Nws yog qhov tshwj xeeb tshaj yog rau PSA adsorber daim ntawv thov qhov twg nws yuav siv tau rau kev sib cais ntawm cov qauv ib txwm thiab iso-paraffins (C4 rau C6 hom), hauv PSA hydrogen purification thiab hauv cov pa oxygen concentrators.
| 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 | 2.0-3.0 | 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 | ≤0.40 | ≤0.20 | ≤0.20 |
| Lub zog tsoo | N | ≥30/cm | ≥45/cm | ≥30/p | ≥60/p |
| Kev nqus dej zoo li qub | % | ≥22 | ≥22 | ≥22 | ≥22 |
| Cov dej ntsiab lus, raws li xa khoom | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
● Lub zog ionic muaj zog ntawm cov calcium ion divalent ua rau nws yog ib qho adsorbent zoo heev los tshem tawm dej, CO2, H2S ntawm cov kwj deg roj av qaub, thaum txo qis COS tsim. Cov mercaptans sib dua kuj raug adsorbed.
● Nws kuj siv rau kev sib cais ntawm cov paraffins ib txwm muaj thiab iso.
● Kev tsim cov pa roj N2, O2, H2 thiab cov pa roj inert uas muaj cov pa roj sib xyaws.
Lub tshuab sib xyaw molecular hom 5A tuaj yeem rov ua dua los ntawm kev cua sov hauv cov txheej txheem thermal swing; lossis los ntawm kev txo qhov siab hauv cov txheej txheem pressure swing.
Yuav kom tshem tawm cov dej noo ntawm lub 5A molecular sieve, qhov kub ntawm 250-300 ° C yog qhov yuav tsum tau ua. Lub molecular sieve uas rov tsim dua tshiab zoo tuaj yeem muab cov dej noo noo dew points hauv qab -100 ° C, lossis mercaptan lossis CO2 theem hauv qab 2 ppmv.
Qhov kev sib sau ua ke ntawm cov pa tawm ntawm cov txheej txheem hloov pauv siab yuav nyob ntawm cov roj uas muaj nyob, thiab ntawm cov xwm txheej ntawm cov txheej txheem.
Yuav kom tsis txhob muaj dej noo thiab ua ntej adsorption ntawm cov organic ua ntej khiav, lossis yuav tsum tau rov ua dua.