Khoom Taw Qhia
Titanium silicon zeolite yog tsim los ntawm ib nrab hloov cov txhuas atoms hauv silicon-aluminium molecular sieves nrog titanium atoms., uas belongs rau ZSM-5 series zeolite .Nws cov qauv topology zoo ib yam li MFI, nrog ob {-dimensional qhov sib npaug ntawm cov qauv ntawm qhov sib piv}, qhov sib piv ntawm qhov sib npaug S-zoo li tus, aperture ntawm 0.51nm × 0.55nm, Lub kaum-ntiv nplhaib sib npaug mus rau b-axis yog linear, nrog aperture ntawm 0.54nm × 0.56nm.
Khoom nta
Qhov nruab nrab txoj kab uas hla: 50-60um, qhov tsawg kawg nkaus diamete yog ze li ntawm 10um, qhov siab tshaj plaws yog tsawg dua 105um, thiab qhov loj me me yog sib xws.
Technical specifications ntawm titanium silicon zeolite
|
Yam khoom |
Index |
|
Qhov chaw tshwj xeeb (m² / g) |
360-420 |
|
Qhov hnyav (ml / g) |
0.25-0.35 |
|
Tus txheeb ze crystallinity (%) |
99% |
|
Na₂O(wt.%) |
0.05% |
|
Si/Ti |
25-30 |
Nco tseg: Cov saum toj no yog cov ntaub ntawv raug. Peb kuj tuaj yeem tsim raws li cov neeg siv khoom thov.
Daim ntawv thov tseem ceeb ntawm Titanium silicon zeolite
Titanium silicon molecular sieves yog ib qho tseem ceeb ntawm cov khoom siv catalytic. Lawv tsuas yog siv rau hauv kev xaiv oxidation cov tshuaj tiv thaiv, tshwj xeeb tshaj yog muaj kev ua haujlwm zoo catalytic hauv cov txheej txheem tshuaj ntsuab uas hydrogen peroxide (H₂O₂) yog siv los ua cov oxidant.
1.Oxidation ntawm alkenes: Piv txwv li, hloov propylene rau hauv propylene oxide zoo yog ib qho tseem ceeb nruab nrab ntawm cov khoom siv tshuaj xws li epoxy resins.
2.Ammonioketone oximation: Piv txwv li, thaum cyclohexanone reacts nrog ammonia thiab hydrogen peroxide, cyclohexanone oxime yog tsim, uas yog ib tug tseem ceeb kauj ruam nyob rau hauv zus tau tej cov nylon-6. 1
3.Oxidation ntawm alcohols: Nws muaj peev xwm catalyze lub xaiv oxidation ntawm thawj alcohols, Secondary alcohols, thiab lwm yam. rau coj aldehydes, ketones los yog carboxylic acids.
4.Aromatic hydroxylation: Piv txwv li, cov tshuaj tiv thaiv hydroxylation ntawm benzene los tsim phenol. 1
5.Saturated hydrocarbon oxidation: Nws tuaj yeem siv rau hauv cov tshuaj tiv thaiv oxidation ntawm alkanes.
6.Lwm cov tshuaj tiv thaiv: xws li pyridine oxidation, isomerization, alkylation, thiab lwm yam.
Cov khoom ntim thiab khaws cia
Ntim: Hlau nruas / ntawv nruas / aluminium foil hnab los yog raws li tus neeg thov kev thov.
Cia: Tsis txhob damping thiab tej yam adsorption ntawm dej los yog organic tshuaj ua ntej siv. Txwv tsis pub nws yuav tsum tau regenerated.
FAQ
1.Dab tsi yog qhov feem ntau silicon-titanium piv (Si/Ti) ntawm titanium- silicon molecular sieves? Puas yog adjustable?
Qhov feem ntau silicon-titanium molar piv yog 25: 1 txog 30: 1.
Nws tuaj yeem hloov kho - los ntawm kev hloov qhov piv ntawm titanium qhov chaw rau silicon qhov chaw thaum lub sij hawm sib txuas, nrog rau kev tswj cov crystallization tej yam kev mob los tswj cov nyiaj titanium doping. Txawm li cas los xij, cov ntsiab lus titanium ntau dhau tuaj yeem ua rau tsis yog - lub hauv paus TiO₂ impurity theem, txo cov kev ua haujlwm catalytic.
2.Puas Titanium silicon zeolite poob lawv cov haujlwm? Yog vim li cas?
Teb:
Yog lawm, lawv yuav poob lawv txoj haujlwm. Cov laj thawj tseem ceeb:
1.Carbon deposition thaiv lub pores (tshwj xeeb tshaj yog nyob rau hauv cov tshuaj tiv thaiv organic)
2.Titanium leaching los yog hydrolysis (nyob rau hauv muaj zog acid / puag tej yam kev mob)
3. Lub zos overheating tshwm sim los ntawm H₂O₂ decomposition, uas ua rau lub moj khaum puas
Aggregation of non{0}}framework TiO₂
Cim npe nrov: Tuam Tshoj titanium silicon zeolite manufacturers, lwm tus neeg, Hoobkas
