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Custom Zeolite,Custom Zeolite Moleculare Sieve,Custom Catalyst Carrier
ZSM-5 Zeolite
Synthesis of ZSM-5 by direct method
ZSM-5 zeolite is synthesized directly by reacting soluble glass
with aluminium sulphate to ZSM-5 zeolite, not using organic amine.
This product has been used as the parent of alkylationm,
isomeration, aromatization and dewaxing catalysts and so on. The
ZSM-5 zeolite, characteristic of the simpler synthesis process,
stabler quality, free of pollution, less cost, better
hydrothermally.
1, Chemical Composition
Production Introduction
| (SiO2/AL2O3)=38 | (SiO2/AL2O3)=50 | (SiO2/AL2O3)=25 | |
| AL2O3 | 3.8-3.9% | 2.3-2.5% | 5-5.5% |
| SiO2 | 85-86% | 86.0-87.0% | 80-85% |
2, Adsorption
| Adsorbent | N-hexane | Cyclohexane | Water |
| (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% |
| (SiO2/AL2O3)=25 | 9.5-10.5% | 2.05-2.5% | 11.0-12.0% |
3, Structure State
Crystallinity ≥95%
Pore size 5A
Framework Density 1.81 (determined in isooctane)
Thermal stability The differential thermal analyst(DTA) curve shows
that the crystal exhibits no major structural change up to
temperature of about 1200℃.
