TS-1 zeolite Ts-1 molecular sieve

Titanium silicalite molecular sieve (TS-1) is isomorphic to ZSM-5 and belongs to MFI topology, so it also has a special ten membered ring cross channel system. The difference is that ZSM-5 molecular sieve is equivalent to that part of skeleton silicon atoms are isomorphically replaced by aluminum atoms, while TS-1 is equivalent to that part of skeleton silicon atoms are isomorphically replaced by titanium atoms. The skeleton titanium atom of TS-1 can activate hydrogen peroxide, thus enabling olefin epoxidation and cyclohexanone ammoxidation. In addition, the catalytic system composed of TS-1 and dilute hydrogen peroxide can also lead to the selective oxidation of alcohols and alkanes, as well as the hydroxylation of phenol.
At present, the company has developed two series of high cost performance TS-1 molecular sieves, nano and micro, to meet the needs of different technology types.
1. Nano-TS-1 molecular sieve products with different silicon titanium ratios (DNT)
Main product information:
● Grain size: ≤ 300 nm;
● Selectable range of SiO2/TiO2 ratio: 30 – 200;
● Performance advantages: high effective titanium content, good catalyst activity stability;
● Application fields: olefin epoxidation, cyclohexanone ammoxidation, alcohol oxidation, saturated hydrocarbon oxidation, hydroxylated aromatics, pyridine oxidation, etc.
2. TS-1 molecular sieve products (DMT) with different grain sizes
Main product information:
● Selectable range of grain size: 1-10 μ m;
● SiO2/Al2O3 ratio selectable range: 30 – 120;
● Performance advantages: narrow grain size distribution, easy processing;
● Application field: it can be used for various reactions involving TS-1. Especially suitable for gas-solid reaction,
For example, propylene gas phase epoxidation
Relative cleanliness: 95% min
Aperture (nm): 0.56-0.58
Silicon aluminum ratio: 20 ～ 45
BET specific surface area (m2/g): ≥ 350
Relative crystallinity (%): ≥ 95
Residual sodium (%): ≤ 0.1
Burn loss (%): ≤ 5
SiO2/TiO2:30-200
Application fields: olefin epoxidation, cyclohexanone ammoxidation, alcohol oxidation, saturated hydrocarbon oxidation, hydroxylated aromatics, pyridine oxidation, etc.

 

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