Xov xwm
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3A molecular sieve
3A molecular sieve yog alkali hlau aluminate, qee zaum nws tseem hu ua 3A zeolite molecular sieve. Lub npe lus Askiv: 3A Molecular Sieve Silica / aluminium piv: SiO2 / Al2O3 ≈2 Qhov loj me ntawm qhov pore: li 3A (1A = 0.1nm) Lub hauv paus ntsiab lus ua haujlwm ntawm molecular sieve feem ntau yog cuam tshuam nrog lub por ...Nyeem ntxiv -
Xyoo tshiab, AOGE tshiab
AOGE Chemical, ib lub tuam txhab ua lag luam ntawm cov khoom siv adsorbent thiab catalyst carrier, tseem niaj hnub tswj hwm kev lag luam nrog lawv cov khoom zoo thiab kev pabcuam zoo rau cov neeg siv khoom. Ua ib tus neeg ua si tseem ceeb hauv kev lag luam tshuaj lom neeg, AOGE Chemical muab ntau yam khoom suav nrog Activated Alumina, Mole...Nyeem ntxiv -
Kev taw qhia kev loj hlob ntawm alumina ua haujlwm
Hauv kev txhim kho tshiab zoo siab, cov kws tshawb fawb tau ua tiav kev ua kom txhuas ua haujlwm, qhib lub ntiaj teb ntawm cov peev xwm rau nws siv hauv ntau yam lag luam. Qhov kev tshawb pom tshiab, tau tshaj tawm hauv kev tshawb fawb tsis ntev los no luam tawm hauv phau ntawv xov xwm Nature, muaj peev xwm hloov pauv txoj hauv kev siv txhuas hauv...Nyeem ntxiv -
Daim ntawv thov ntawm ZSM molecular sieve ua isomerization catalyst
ZSM molecular sieve yog ib hom crystalline silicaluminate nrog qhov loj me thiab cov duab tshwj xeeb, uas tau siv dav hauv ntau yam tshuaj lom neeg vim nws qhov kev ua tau zoo heev catalytic. Ntawm lawv, daim ntawv thov ntawm ZSM molecular sieve hauv thaj chaw ntawm isomerization catalyst tau nyiam ...Nyeem ntxiv -
Cov kua qaub ntawm qhov chaw ntawm ZSM molecular sieve
Qhov acidity ntawm ZSM molecular sieve yog ib qho ntawm nws cov khoom tseem ceeb ua tus catalyst. Qhov acidity no los ntawm cov txhuas atoms hauv lub cev molecular sieve, uas tuaj yeem muab cov protons los tsim ib qho chaw protonated. Qhov chaw protonated no tuaj yeem koom nrog ntau yam tshuaj reactio ...Nyeem ntxiv -
Cov nyhuv ntawm Si-Al piv rau ZSM molecular sieve
Qhov piv ntawm Si/Al (Si/Al piv) yog ib qho tseem ceeb ntawm ZSM molecular sieve, uas qhia txog cov ntsiab lus sib piv ntawm Si thiab Al hauv molecular sieve. Qhov piv no muaj qhov cuam tshuam tseem ceeb rau kev ua haujlwm thiab kev xaiv ntawm ZSM molecular sieve. Ua ntej, qhov piv ntawm Si/Al tuaj yeem cuam tshuam rau qhov acidity ntawm ZSM m...Nyeem ntxiv -
ZSM molecular sieve
ZSM molecular sieve yog ib hom catalyst nrog cov qauv tshwj xeeb, uas qhia tau tias muaj kev ua tau zoo heev hauv ntau yam tshuaj lom neeg vim nws cov haujlwm acidic zoo heev. Cov hauv qab no yog qee cov catalysts thiab cov tshuaj tiv thaiv uas ZSM molecular sieves siv tau rau: 1. Isomerization reaction: ZSM molecular si...Nyeem ntxiv -
Kev tshawb fawb txog qhov ntau thiab tsawg ntawm daim ntawv thov ntawm silica gel desiccant
Hauv kev tsim khoom thiab lub neej, silica gel tuaj yeem siv los ziab N2, cua, hydrogen, roj av [1] thiab lwm yam. Raws li kua qaub thiab alkali, desiccant tuaj yeem muab faib ua: acid desiccant, alkaline desiccant thiab neutral desiccant [2]. Silica gel zoo li yog lub tshuab ziab nruab nrab uas zoo li qhuav NH3, HCl, SO2, ...Nyeem ntxiv
