ZSM-5 Series Shape-xaiv Zeolites
ZSM-5 zeolite tuaj yeem siv rau kev lag luam petrochemical, tshuaj lom neeg kev lag luam thiab lwm yam kev lag luam vim nws qhov tshwj xeeb peb-dimensional hla ncaj pore kwj dej, tshwj xeeb zoo-xaiv crackability, isomerization thiab aromatization muaj peev xwm. Tam sim no, lawv tuaj yeem siv rau FCC catalyst lossis additives uas tuaj yeem txhim kho cov roj av octane tooj, hydro/aonhydro dewaxing catalysts thiab chav tsev txheej txheem xylene isomerization, toluene disproportionation thiab alkylation. Cov roj av octane tooj tuaj yeem txhim kho thiab cov ntsiab lus olefin tuaj yeem nce ntxiv yog tias cov zeolites ntxiv rau FCC catalyst hauv FBR-FCC cov tshuaj tiv thaiv. Hauv peb lub tuam txhab, ZSM-5 serial shape-selective zeolites muaj qhov sib txawv ntawm silica-alumina piv, los ntawm 25 mus rau 500. Cov particle tis tuaj yeem hloov kho raws li cov neeg siv khoom xav tau. Lub peev xwm isomerization thiab kev ua haujlwm ruaj khov tuaj yeem hloov pauv thaum lub acidity yog hloov los ntawm kev hloov cov silica-alumina piv raws li koj xav tau.
| Qauv | ZSM-5 Series Shape-xaiv Zeolites | |
| Xim | Lub teeb grey | |
| Cov txheej txheem kev sib xyaw: Hauv qhov kub thiab txias siab, ZSM-5 zeolites yuav tsim tom qab hydrothermal compound crystallization, filtrating, ntxuav, hloov kho thiab ziab los ntawm kev siv txhuas ntsev thiab silicate ua cov khoom tseem ceeb. | ||
| Sib piv Crystallinity | % | ≥90 |
| SiO2/Al2O3 | 25-500 Nws | |
| Total SA | m2/g | ≥330 |
| PV | ml/g | ≥0.17 |
| Na2O | wt% | ≤0.1 |
| LOI | wt% | ≤10 |
| Daim ntawv thov | 1. Hydro/aonhydro dewaxing catalysts | |
| 2. Catalytic dewaxing | ||
| 3. Toluene disproportionation | ||
| 4. Xylene isomerization | ||
| 5. Alkylate | ||
| 6. Isomerization | ||
| 7. Aromatization | ||
| 8. Methanol hloov mus ua hydrocarbon | ||
