Chinhu chikuru chinobatsira kugadzira hydrogenation yealumina catalyst carrier yekutanga ine nzvimbo yekupisa yakakwira, nzvimbo yekunyunguduka yakakwira, izvo zvinoratidza kuti imhando ye refractory oxide, zvichiita kuti zvinhu zvidiki zvinopararira zvakanyanya zviparadzane, kuitira kudzivirira kuunganidzwa kweacatalyst carrier kechipiri, alumina iri muchikamu iripo muhuwandu hwakakura hwekupisa, uye inoita kuti chimiro chayo chemukati chive pasi pekupisa kwakanyanya kana kugadziriswa kwekristaro kwakagadzikana pakupisa kwakanyanya, kuramba kupfeka, kushanda kwakanaka kwekutamisa kupisa pamwe nekuwedzera, kuvapo kwealumina pamusoro acidic uye alkaline centre senge acid reaction mu alkaline medium, uye iyo inogona kuita sealkali mu acidic medium. Kune alumina catalyst carrier, saka, ine rutsigiro uye kupararira kwesimbi dzinokosha. Kuderedza mhedzisiro uye kuita kuti kupararira kwesimbi pamusoro pe metastable small grain size kugadzika, hazvisi nyore kuunganidza uye sintering inonyanya kukosha sezvo aluminum oxide yealumina, aluminum patafura uye inofambisa, inoumba ma oxides uye inosiya gomba, ine chidimbu chakakwirira uye nzvimbo yakawanda yekuchengetera, inogona kugadziriswa catalytic components nzvimbo yayo yemukati, uye inobatsira kupararira kune inoshanda pakati pe reactants uye zvigadzirwa zvinosiya inoshanda pakati zvese izvi. ratidza kuti alumina inoshanda zvakanaka semuchina unotakura zvinhu.
Nguva yekutumira: Kubvumbi-26-2020