Marcrooporous Adsorption Resin
Resins | Polymer Matrix Qauv | Daim Ntawv Zoo Li Lub Cev | Nto nThaj chaw m2/g | Qhov nruab nrab Pore Diameter | Muaj Peev Xwm Tshaj Tawm | Cov ntsiab lus noo noo | Particle Loj hli | Qhov hnyav thauj khoom g/L. |
AB-8 | Macroporous Ploy-styrene nrog DVB | Opaque Dawb Spherical Beads | 450-550 | 103nm ua | 60-70% | 0.3-1.2 | 650-700 | |
D101 | Macroporous Poly-Styrene nrog DVB | Opaque Dawb Spherical Beads | 600-700 | 10nm ua | 53-63% | 0.3-1.2 | 670-690 | |
D152 | Macroporous Pype Poly-acrylic nrog DVB | Opaque Dawb Spherical Beads | Na/H. | 1.4 tsi ml | 60-70% | 0.3-1.2 | 680-700 | |
H103 | Tshaj tawm Crosslink styrene nrog DVB | Tsaus xim av rau dub Spherical | 1000-1100 | 0.5-1.0TOC/g100mg/ml Cov | 50-60% | 0.3-1.2 | 670-690 |
Macroporous adsorption resin yog ib hom polymer adsorption cob tsis muaj pawg sib pauv thiab cov qauv macroporous. Nws muaj cov qauv macroporous network zoo thiab thaj chaw tshwj xeeb loj. Nws tuaj yeem xaiv adsorb cov teeb meem organic hauv cov kua dej los ntawm kev nqus lub cev. Nws yog hom tshiab ntawm cov organic polymer adsorbent tsim nyob rau xyoo 1960. Nws tau siv dav hauv kev tiv thaiv ib puag ncig, zaub mov, tshuaj thiab lwm yam haujlwm.
Macroporous adsorption cob yog feem ntau dawb kheej kheej nrog qhov me me ntawm 20-60 mesh. Cov macrospheres ntawm macroporous adsorption cob yog tsim los ntawm ntau lub micro spheres nrog qhov sib.
Macroporous adsorption resin tau polymerized nrog styrene, divinylbenzene, thiab lwm yam hauv 0.5% gelatin tov thiab qee qhov feem ntawm porogen. Styrene tau siv ua monomer, divinylbenzene ua tus neeg sawv cev sib txuas, toluene thiab xylene ua porogens. Lawv tau hla kev sib txuas thiab polymerized los tsim cov qauv txheej txheem ntxeem tau ntawm macroporous adsorption cob.
Kev xaiv cov adsorption thiab desorption cov xwm txheej cuam tshuam ncaj qha rau qhov ua tau zoo ntawm cov txheej txheem adsorption ntawm macroporous adsorption resin, yog li ntau yam tseem ceeb yuav tsum tau txiav txim siab hauv tag nrho cov txheej txheem los txiav txim siab qhov zoo tshaj plaws adsorption thiab desorption cov xwm txheej. Muaj ntau yam cuam tshuam cuam tshuam rau kev nqus cov khoom siv, xws li cov khoom sib cais sib cais (qhov sib txawv thiab qhov loj me me), cov khoom thauj khoom hnyav (qhov hnyav ntawm cov kuab tshuaj rau cov khoom sib xyaw, kev sib xyaw ntsev thiab pH tus nqi), cov ntsiab lus ntawm cov khoom thauj thiab cov dej nqus dej. tus nqi.
Feem ntau, qhov loj me me ntawm lub ncov qaumteb qabteb tuaj yeem sib cais ntawm qhov nruab nrab ncov qaumteb qabteb, thiab cov kabmob me me ncov qaumteb qabteb tuaj yeem sib cais ntawm cov tsis-ncov qaumteb qabteb resin; Qhov loj dua qhov ntim ntawm qhov sib xyaw, qhov loj dua qhov pore loj ntawm cov tshuaj; Lub peev xwm adsorption ntawm cov roj tuaj yeem nce ntxiv los ntawm kev ntxiv qhov tsim nyog ntawm cov tsis muaj ntsev ntsev rau hauv cov tshuaj tov khoom; Cov kua qaub sib xyaw tau yooj yim kom tau adsorbed hauv cov kua qaub, cov sib txuas yooj yim tau yooj yim kom tau adsorbed hauv cov tshuaj alkaline, thiab cov nruab nrab nruab nrab yog yooj yim kom tau adsorbed hauv cov tshuaj nruab nrab; Feem ntau, qis dua qhov kev mloog zoo ntawm kev daws teeb meem, qhov zoo dua qhov nqus tau; Rau qhov xaiv qhov poob qis, nws yog qhov zoo dua los xyuas kom meej tias cov khoom siv tau tuaj yeem tiv tauj nrog kev thauj khoom daws rau adsorption. Cov xwm txheej cuam tshuam rau cov xwm txheej desorption suav nrog hom eluent, concentration, pH tus nqi, tus nqi ntws, thiab lwm yam. Cov eluent tuaj yeem yog methanol, ethanol, acetone, ethyl acetate, thiab lwm yam. peev xwm ntawm cov tshuaj sib txawv ntawm cov tshuaj; Los ntawm kev hloov pauv tus nqi pH ntawm eluent, daim ntawv molecular ntawm adsorbent tuaj yeem hloov pauv, thiab nws yooj yim rau elute; Kev tshem tawm cov dej ntws feem ntau tswj tau ntawm 0.5-5ml/min.
Qhov pore loj thiab thaj chaw tshwj xeeb ntawm macroporous adsorption cob yog qhov loj. Nws muaj peb-dimensional peb-dimensional pore qauv hauv cov cob, uas muaj ntau yam zoo xws li lub cev thiab tshuaj stability, thaj tsam loj tshwj xeeb, loj adsorption muaj peev xwm, zoo selectivity, ceev adsorption ceev, me ntsis desorption mob, yooj yim rov tsim dua, ntev kev pabcuam voj voog, tsim nyog rau kaw lub voj voog kaw thiab txuag nqi.