Txog tam sim no, muaj ntau homTsis tshua muaj ntiaj tebPurification catalysts uas tau tsim thiab thov, thiab lawv cov tswv yim sib cais kuj muaj ntau haiv neeg. Ib qho yooj yim thiab kev txawj ntse yog raws li cov duab ntawm catalyst, uas tuaj yeem faib ua ob hom: grancomb. Granular catalysts feem ntau yog siv γ- al2o3 yog cov cab kuj nrog lub peev xwm loj, uas tuaj yeem thauj khoom 10% mus rau 20%Tsis tshua muaj ntiaj tebthiab lwm cov hlau hauv paus. Nws muaj cov kev cuam tshuam zoo, tab sis nws cov tso cua tawm yog siab, uas cuam tshuam nws lub zog thiab kev lag luam. Honeycomb zoo li cov catalysts feem ntau siv dongqingshi, mullite, thiab hlau alloys muaj peev xwm thiab haum rau thauj cov khoom muaj nqi. Lub Honeycomb Carrier muaj qhov ua tau zoo me me, kev ua tau zoo sov, muaj zog ua haujlwm, thiab tam sim no siv tau raws li cov cab kuj. Txawm hais tias txoj kev faib tawm raws li cov duab ntawm catalysts yog yooj yim, cov lus sib xyaw ua ke, tshwj xeeb tshaj yog cov nquag tau hais tseg.
Yog tias cov pab pawg ua dej num ntawm catalysts sib txawv,Tsis tshua muaj ntiaj tebcatalysts tuaj yeem faib ua ob hom:Tsis tshua muaj ntiaj tebPASS hlau oxide catalysts thiab tsis tshua muaj ntiaj teb lub hauv paus hlau oxide catalysts nrog lw cov nqi ntawm cov khoom muaj nuj nqis hlau. Tus qub yog ib hom catalyst siv ntau zaus nyob rau tam sim no, uas muaj cov txiaj ntsig zoo purification ntawm CO thiab HC, tab sis me ntsis kev ua kom huv me me ntawm nox. Cov tom kawg muaj qhov kev ua kom muaj txiaj ntsig zoo ntawm nox, yog li nws yuav yog qhov kev coj ntawm Tail roj Pricalalysts hauv Suav teb.
Lub sijhawm Post: Oct-12-2023