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Synthetic Zeolite ZSM-5 Catalyst For Benzophenone Isomerization

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Synthetic Zeolite ZSM-5 Catalyst For Benzophenone Isomerization

Synthetic Zeolite ZSM-5 Catalyst For Benzophenone Isomerization
Synthetic Zeolite ZSM-5 Catalyst For Benzophenone Isomerization

Large Image :  Synthetic Zeolite ZSM-5 Catalyst For Benzophenone Isomerization

Product Details:
Place of Origin: China
Brand Name: JIULONG
Model Number: JL-ZSM-5
Payment & Shipping Terms:
Minimum Order Quantity: 1000g
Price: negotiation
Packaging Details: negotiation
Delivery Time: negotiation
Payment Terms: T/T
Supply Ability: 1000MT per month

Synthetic Zeolite ZSM-5 Catalyst For Benzophenone Isomerization

Product Name: Zeolite ZSM-5 Mole Ratio: 15-1000
CAS: 308081-08-5 Cl-: Max90ppm
LOI: Max10% D50: Max90um
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zeolite zsm 5


zsm 5 catalyst

Synthetic Zeolite ZSM-5 Catalyst For Benzophenone Isomerization



ZSM-5 zeolite properties



Mainly used in diesel hydrodewaxing catalyst, fixed bed catalytic cracking catalysts, the fluid bed catalytic cracking reactor FCC catalyst zeolite ZSM-5 added to increase gasoline octane, increased olefin content of the gas has great benefits, domestic and FCC ZSM-5 zeolite catalyst ZSM-5 is added up to use a molecular sieve, and concentrated in between SiO2 / Al2O3 (molar ratio of silica to alumina of) 40-50. Wider application of additives to reduce domestic FCC gasoline olefin on the application in this regard SiO2 / Al2O3 between 38-40, while the use of SiO2 / Al2O3 in the range of 25-30 on the domestic and foreign RFCC molecular sieves. In addition ZSM-5 zeolite in the chemical widely used in shape-selective catalysis, catalyst such as p-ethylbenzene, xylene isomerization catalyst; in addition to the environmental aspects of the extraction of organic compounds in water with high silica ZSM-5 zeolite, SiO2 / Al2O3 between 220-400. ZSM-5 zeolite water glass and aluminum sulfate with direct synthesis, the product for low hydrocarbon alkylation, isomerization, aromatization, dewaxing drop precursor condensate catalyst, with foreign synthetic organic amine ZSM-5 compared process is simple, stable quality, pollution-free, low cost, high hydrothermal stability.




Mole Ratio: 15-1000
Nominal Cation Form: Ammonium/Hydrogen




SiO2/Al2O3Mole Ratio Nominal Cation Form Na2O Weight % Surface Area, m2/g
JL 01 25 Sodium/Hydrogen 0.05 340
JL O2 30 Sodium/Hydrogen 0.05 340
JL 03 50 Sodium/Hydrogen 0.05 340
JL 04 80 Sodium/Hydrogen 0.05 340
JL 05 280 Sodium/Hydrogen 0.05 340










Na2O Weight %: 0.05
Surface Area, m2/g: 340


Thermal stability

High thermal stability of ZSM-5 zeolite. This is caused by a skeleton in a stable five-membered ring structure and a high silica to alumina ratio. For example, the sample calcined at 850 ℃ After 2 hours, the crystal structure unchanged. Even can withstand high temperature of 1100 ℃. So far, ZSM-5 zeolites are known to one of the highest qualitative hot temperature. Therefore, it is used in high-temperature process is particularly suitable. For example, use it as a hydrocarbon cracking catalyst, regeneration of the catalyst can withstand passage of time.


Acid resistance

ZSM-5 zeolite has good acid resistance, it is resistant to various acids except hydrofluoric acid.


Steam stability

Wang, IKai other studies have shown that when other zeolites by steam and hot water, and their general structure is destroyed, leading to irreversible deactivation. The Mobil company with ZSM-5 as the conversion of methanol (water is one of the major product) catalyst. This suggests that ZSM-5 to water vapor with good stability. 540 ℃ lower partial pressure of 22mmHg steaming column and HY zeolite HZSM-5 after 24 hours, a crystallinity of HZSM-5 and about 70 percent of fresh catalyst, but under the same conditions, HY zeolite skeleton almost completely damage.



ZSM-5 having a high silica to alumina ratio, the smaller the surface charge density. The water molecule is polar, so you will not ZSM-5 is adsorbed. Although water molecules smaller than the diameter of n-hexane, but the amount of adsorption of n-hexane ZSM-5 is generally greater than water.


Easy to coke

ZSM-5 V-shaped aperture effective, pore size and bending, preventing a large condensate formation and accumulation. Meanwhile, ZSM-5 framework is no greater than the bore of the cavity (cage) exist, so limiting the formation of large molecules from the secondary condensation reactions. So that the possibility of ZSM-5 catalyst coke is reduced. ZSM-5 for an alkyl aromatics into the tunnel barrier is formed, and thus the reaction process it can not continue to react in smaller pores, the final condensation formed coke. ZSM-5 so much slower than the rate of coke deposition and Y-type mordenite, difference of almost two orders of magnitude. Capacity of ZSM-5 zeolite carbon content is higher.


Excellent shape-selective selectivity

Zeolite molecular sieve as catalyst, only smaller than the hole crystal molecules can catalyze the reaction out of control pore size crystalline zeolite suffering zeolite catalyst size and shape of reactant and product molecules showed great selectivity. Pore ​​system of ZSM-5 zeolite having a 10-MR constituted medium size orifice diameter, it has a good shape-selective selectivity.



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