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Steam Stability ZSM-5 Catalyst Molecular Sieve With Amine Cation

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  Post Date: Mar 15,2019
  Expiry Date: May 14,2019
  Detailed Description: Cas No. :12173-28-3;63231-69-6 Quantity: 500Kilograms
Specs:Mole Ratio:15-1000,BET:330-380
Price:3.88 USD Kilograms
Payment Method: L/C,T/T
Steam Stability ZSM 5 Catalyst Molecular Sieve With Amine Cation

Detailed Product Description
Product Name: Zeolite ZSM-5 Mole Ratio: 15-1000
Application: Catalyst Carrier BET: 330-380
LOI: 10% D50: 7um
D90: 9um
Steam Stability Zsm 5 Catalyst , ZSM 5 Molecular Sieve With Amine Cation



Description:

ZSM-5 zeolite properties



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.



Hydrophobic

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.



Specifications



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



JIULONG

Products

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

  CAS Registry Number:

12173-28-3;63231-69-6

  Synonyms: ;Molecular sieve 13X 1/16;Molecular sieve 3A 1/16;Molecular sieve 4A 1/16;Molecular sieve 5A 1/16;Molecular sieves, 5A;Molecular sieves 3A 1/16;MolecularsievesXpowder;MolecularsievesXmmbeads;MolecularsievesmeshpowderLindeX;MolecularsievespelletsLindeX;Molecular Sieve Type 13X;Molecular sieve 3A;MOLECULAR SEIVES, TYPE 4 A;Molecular sieves 13X;
  Molecular Formula: Al·Ca·16H2O·K·Na·O5Si2·O
  Safety Description: S22:;

  Company: Zibo Jiulong Chemical Co., Ltd.     [ China ]          
  Contact: Echo Li
  Tel: +86-533-6076766 +86-1865332800
  Fax: +86-533-6076766
  Email: export@jiulongchem.cn
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