Zeolite ZSM--5 Catalytic catalyst price
Zeolite ZSM-5 Catalytic
Zeolite ZSM-5 Catalytic are mainly applied for catalytic cracking, catalytic dewaxing,toluene disproportionation, xylene isomerization,ethylene-benzene alkylation,methanol converting to gasoline,methanol catalytic dehydration to produce dimethyl ether,and lower carbon hydrocarbon aromatization.
Zeolite ZSM-5 Catalytic with the properties of good thermotolerance,acid resistance and thermostability,they can be used as catalytic cracking active component to improve the gasoline octane number,propylene yield or hydrocarbons isomerization ability.
Zeolite ZSM-5 Catalytic which is excellent stability, great activity, and low operating pressure, is produced on the base of our molecular sieves by ourselves.
1.chemical composition
| SiO2/Al2O3=25 | SiO2/Al2O3=38 | SiO2/Al2O3=50 |
| Na2O 4-4.5% | Na2O 2.8-2.9% | Na2O 2.1-2.3% |
| Al2O3 5-5.5% | Al2O3 3.8-3.9% | Al2O3 2.3-2.6% |
| SiO2 80-85 | SiO2 85-86 | SiO2 86-87 |
2.adsorption capacity(wt%)
| Adsorption | Normal Hexane | Hexamethylene | Water |
| SiO2/Al2O3=25 | 9.5-10.5% | 2.05-2.5% | 11.0-12.0% |
| SiO2/Al2O3=38 | 9.5-10.5% | 1.9-2.3% | 9.0-10.0% |
| SiO2/Al2O3=50 | 9.0-10.0% | 1.5-2.0% | 7.0-8.0% |
3.structural state
1.Crystallinity:≥95%
2. Pore size:5Å
3.Framework Density:1.81 (determined in isooctane)
4.Thermal stability:The differential thermal analyst(DTA) curve shows that the crystal exhibits no major structural change up to temperature of about 1200℃.
5.Hydro-thermal stability:The binder-additive catalyst could retain its crystallinity when treated under 100% steam at a temperature of 700℃ for 12h.
6.BET Specific Surface Area:340≥m2/g
7.Na2O:≤0.1%
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