Zeolite 3A 4A 5A 13X Molecular Sieve Price Chemical Adsorbent Catalyst

FarmReaching Molecular Sieve Description

Molecular sieves are crystalline metal alumino silicates having a three dimensional interconnecting network of silica and alumina tetrahedra. Natural water of hydration is removed from this network by heating to produce uniform cavities which selectively adsorb molecules of a specific size.

A 4 to 8-mesh sieve is normally used in gasphase applications, while the 8 to 12-mesh type is common in liquidphase applications. The powder forms of the 3A, 4A, 5A and 13X sieves are suitable for specialized applications.

Long known for their drying capacity (even to 90°C), molecular sieves have recently demonstrated utility in synthetic organic procedures, frequently allowing isolation of desired products from condensation reactions that are governed by generally unfavorable equilibria. These synthetic zeolites have been shown to remove water, alcohols (including methanol and ethanol), and HCl from such systems as ketimine and enamine syntheses, ester condensations, and the conversion of unsaturated aldehydes to polyenals
Application
3A: 1.liquid drying,such as ethyl alcohol
2.air drying
3. refrigerant drying
4.Natural gas, methane gas drying
5.Saturated hydrocarbons and cracking gas, ethylene, acetylene, propylene, butadiene drying

4A: Adsorbed water, methanol, ethanol, hydrogen sulfide, sulfur dioxide, carbon dioxide, ethylene, propylene

5A: 1.natural gas drying, desulfurization, removal CO2;
2.nitrogen-oxygen separation, hydrogen and nitrogens eparation, produce oxygen, nitrogen and hydrogen;
3.petroleum wax, from branched hydrocarbons, cyclic hydrocarbons separated n-hydrocarbons.

13X: 1.air purification in air separation unit, removal of water and carbon dioxide
2.natural gas, liquefied petroleum gas, liquid hydrocarbons drying and desulphurization
3. general gas deep drying

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