Lub adsorption ntawm cov khoom los ntawmmolecular sievesoriginates los ntawm lub cev adsorption. Cov kab noj hniav sab hauv ntawm cov muaju muaj cov polarity muaj zog, thiab lawv muaj peev xwm adsorption muaj zog rau cov polar molecules (xws li dej) thiab cov molecules unsaturated. Sieving muaj nuj nqi: Lub pore loj faib ntawm molecular sieves yog tsis tshua muaj sib xws. Tsuas yog cov khoom uas muaj txoj kab uas hla me dua qhov pore diameters tuaj yeem nkag mus rau hauv cov kab noj hniav ntawm cov molecular sieves. Hom: Zeolite lossis hluavtaws zeolite. Feem ntau hom molecular sieves: 3A molecular sieve, 4A molecular sieve, 5A molecular sieve, 13X molecular sieve, 13X APG molecular sieve, Oxygen- nplua nuj molecular sieve, XH series refrigerants, thiab rau insulating iav.
1.Industrial desiccant hom: Feem ntau yog siv rau daim ntawv thov ntawm cov khoom siv desiccant pob thiab sib sib zog nqus ziab ntawm cua compressors. Cov hom muaj xws li 3A molecular sieves, nrog rau ib qho kev qhia tshwj xeeb ntawm 3-5mm. Nyob rau hauv tus txheej txheem ntawm kev siv insulating iav, lub ntsiab hom yog 13X molecular sieves, nrog lub ntsiab specification ntawm 1.5-2.5 hli.
2.Oxygen ntau lawm molecular sieve hom: Molecular sieves yog cov khoom tseem ceeb rau kev tsim cov pa oxygen, nrog rau cov pa oxygen concentration ntawm 93-96%. Tus nqi ntawm cov pa oxygen sib txawv raws li cov khoom siv sib txawv. Molecular sieves rau kev tsim cov pa oxygen feem ntau yog hom 5A, nrog cov pa loj ntawm 3-5mm.
3.Air cais cov cuab yeej: Cov cuab yeej sib cais huab cua yog hais txog cov khoom siv rau kev sib cais cov pa tsis tshua muaj nyob hauv huab cua, xws li helium, nitrogen, argon, thiab lwm yam. Cov hom muaj xws li 13X molecular sieves, nrog rau qhov tshwj xeeb ntawm 1.6-2.5mm.
4. Catalyst carrier type: Molecular sieves muaj peev xwm nqa tau zoo heev. Los ntawm kev ua kom zoo dua ntawm lawv cov pores tsim thiab muaj peev xwm adsorption zoo, lawv tuaj yeem siv los ua cov cab kuj rau ntau yam catalysts. Nyob rau tib lub sijhawm, lawv muaj peev xwm adsorption zoo rau cov hlau hnyav, arsenic compounds, thiab fluorides hauv dej.
CHEMXIN tau koom nrog Molecular Sieve txij li xyoo 2002, dhau 23 xyoo ntawm kev paub hauv chaw tsim khoom, kev tsim kho thiab kev taw qhia kev teeb tsa. Cia peb sib qhia ntxiv thiab kawm ua ke.
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