Alumina desiccant muaj ntau cov kab capillary raws, qhov chaw loj deg, siv tau raws li adsorbent, khoom noj khoom haus thiab cov catalyst. Nyob rau tib lub sij hawm kuj yog raws li lub polarity ntawm adsorbed tshuaj los txiav txim lub zog ntawm dej, oxides, acetic acid, alkali thiab thiaj li muaj ib tug muaj zog affinity, activated alumina yog dej desistcant dej, tab sis kuj adsorbed polar molecules adsorbent.
Lub desiccant ntawm alumina desiccant zoo ib yam li anion txauv resin, tab sis nws muaj ib tug loj xim anion cob rau fluoride ion. Lub desiccant ntawm alumina desiccant tau zoo adsorption thiab defluorination cov nyhuv thiab cov peev xwm yog ruaj khov. Cov tshuaj fluorine hauv ib lub ntsuas (cubic meter) ntawm cov roj ntsha yog 6400 grams. Alumina desiccant muaj qhov zoo ntawm lub zog siab, tsis tshua hnav, qhov infiltration ntawm dej, tsis muaj o, tsis muaj powdering thiab tsis muaj cracking. Yuav siv cov roj hauv roj av roj, cov pa roj carbon dioxide, hydrogen fluoride, hydrocarbons, thiab lwm yam khoom siv los ua cov roj av nkos, roj carbon ethylene propylene gas thiab kev sib txuas ntawm hydrogen. Pollutants, tshwj xeeb, kom tau txais cov tshuaj fluoride fluoride dej.