一, Dab tsi yog ib qho alumina catalyst?
Alumina catalyst feem ntau yog hais txog cov khoom siv ntxeem tau nrog kev hloov - lub xeev alumina ua thawj kev ua haujlwm. Nws tsis yog ib qho sib txuas, tab sis ntau tsev neeg ntawm ntau tsev neeg muaj cov qauv siv lead ua, nrog gamma- alumina ua qhov feem ntau. Cov khoom siv no tuaj yeem tau txais los ntawm calcining Aluminium hydroxide ntawm qhov tsim nyog kub, tsim tus qauv nplua nuj nyob hws thiab cov chaw ua haujlwm.
Alumina txoj kev ua tau zoo nyob rau hauv nws cov kev ua si catalytic tab sis kuj muaj peev xwm ua lwm yam hlau lossis cov khoom siv ua haujlwm, txhim kho catalytic efficiency.
2. Vim li cas nws yog lub hnub qub catalytic?
Thaj chaw thaj chaw thaj chaw siab: kev cuam tshuam nrog kev cuam tshuam nrog kev cuam tshuam zoo heev, muaj kev sib cuag tau zoo ntawm cov reactants thiab cov chaw nquag.
Ntau haiv qauv peeb tus qauv: Pore loj thiab faib tau customized, muaj kev cuam tshuam loj hloov thiab tshuaj tiv thaiv txoj kev xaiv.
Nto acidity: Nws muaj ob qho tib si lewis thiab brønsted acid chaw, ua kom nws mus rau ntau yam kua qaub {} evented kev tawm tsam, xws li lub cev qhuav dej, xws li lub cev qhuav dej, xws li lub cev qhuav dej thiab tsis muaj lub cev qhuav dej.
Thermal ruaj khov thiab tshuab siv zog: nws tuav cov qauv txheej txheem ncaj ncees rau lub sijhawm ntev nyob rau hauv cov dej siab thiab kev sib tw, sib tham ntawm kev tsim khoom tsis tu ncua.
Cov khoom no ua alumina muaj cov khoom siv tau muaj tseeb thiab dav siv tau cov khoom siv catalystic.
3. Cov ntawv thov ntau
Alumina catalysts yog siv nyob rau hauv ntau cov chaw tseem ceeb, suav nrog lub zog, tshuaj lom neeg, thiab kev tiv thaiv ib puag ncig.
Hauv cov roj av ua kom zoo nkauj, lawv ua haujlwm ua tus thawj coj los yog cov khoom siv canalyulfurization thiab catalyiving reepecting zoo thiab txo cov roj teeb ua kom zoo.
Hauv kev siv tshuaj lom neeg synthesis, lawv tuaj yeem siv rau hauv kev tawm tsam xws li dej cawv thiab Alkane omerization, muab txoj kev npaj ua kom yooj yim.
Nyob rau hauv cov nqe lus ntawm ib puag ncig kev tiv thaiv, muaj nuj nqis hlau - Cov Khoom Siv Hluav Taws Xob uas muaj qhov tseem ceeb, thiab cov tshuaj nitrogen oxides, thiab nitrogen oxides.
Tsis tas li ntawd, lawv kuj ua lub luag haujlwm tseem ceeb hauv kev lag luam thee thiab hluavtaws zoo.
Yog li,alumina catalystsCov ntaub ntawv hauv lub hauv paus tseem ceeb txhawb kev ua haujlwm tau zoo thiab kev ua haujlwm ntsuab ntawm kev lag luam niaj hnub, thiab suav nrog cov hnub qub catalysts ntawm kev lag luam.
