FCC Catalyst Zeolite Zsm-5 Sphere / Ball / Granule With Si/Al Ratio 25
In petrochemistry industry, zeolite zsm5 molecular sieve is widely used as addition of diesel hydrodewaxing catalyst and fixed bed catalytic cracking catalyst.
Zeolite ZSM-5 molecular sieve which SiO2/Al2O3 is from 38 to 40.Mostly has been used as an FCC additive for decreasing olefin content in gasoline.
The SiO2/Al2O3 of zeolite ZSM-5 used in residuum catalytic cracking is from 25 to 30.
In chemical industry, Zeolite ZSM-5 molecular sieve is widely used as selective catalyst, such as: 1,4-diethylbenzene catalyst, xylene isomeric catalyst. In environmental protection, organic matters have been extracted by Zeolite ZSM-5 which SiO2/Al2O3 is from 220 to 400.
Production index of zeolite zsm-5
1 Chemical composition
| SiO2/Al2O3 | Na2O(%) | Al2O3(%) | SiO2(%) |
| 25 | ≤0.1 | 5-5.5 | 80-85 |
| 38 | ≤0.1 | 3.8-3.9 | 85-86 |
| 50 | ≤0.1 | 2.-2.6 | 86-87 |
Relative crystallinity: Na-ZSM-5≥85% , H- ZSM-5≥95%
Dimension: 4.6Å
Hot stability: 1.81(measured by isooctane)
Hydro-thermal stability: zeolite ZSM-5 is still keeping the structure at 1200℃
Stability: zeolite ZSM-5 is able to keep the structure at 700℃ after water vapor modified
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