Molecular sieves are an extraordinary type of synthetic silicoaluminate, featuring a microporous cubic lattice structure. Depending on the specific size of the pores within the crystalline framework, these sieves either attract or repel molecules of various substances. This unique property has earned them the name 'molecular sieves.' Substances with molecular diameters smaller than those of the sieve's pores can effortlessly penetrate the crystal lattice, becoming effectively adsorbed. This fascinating mechanism makes molecular sieves indispensable for a multitude of applications.
Application
The molecular sieve's crystal cavity possesses a robust polarity, allowing for strong interactions with molecules featuring polar groups on the zeolite molecular sieve's surface. Additionally, it can induce polarization in polarizable molecules, resulting in formidable adsorption. These sieves demonstrate a remarkable adsorption capacity for water and carbon dioxide, making them highly effective in molecular sieve desulfurization processes. Their ability to strongly adsorb polar small molecules, such as water, underscores their indispensable role in refining and purification industries.
Product Parameters
Name |
Unit |
Molecular Sieve |
shape |
- |
strip type |
ball |
diameter |
mm |
1.5-1.7 |
3.0-3.3 |
1.7-2.5 |
3.0-5.0 |
size ratio up to grade |
% |
≥98 |
≥98 |
≥96 |
≥96 |
bulk density |
g/ml |
≥0.60 |
≥0.60 |
≥0.60 |
≥0.60 |
wear ratio |
% |
≤0.20 |
≤0.25 |
≤0.20 |
≤0.20 |
crushing strength |
N |
≥45/cm |
≥60/cm |
≥45/p |
≥45/p |
static H2O adsorption |
% |
≥20 |
≥20 |
≥20 |
≥20 |
water content |
% |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
Detailed Photos

Utilizing the extraordinary molecular gravity effect, molecular sieves generate a 'surface force' on the fixed surface. As fluid streams flow, certain molecules within the fluid exhibit irregular movements and collide with the adsorbent surface. This causes a concentration of molecules on the fixed surface, effectively achieving optimal separation. This process is vital for the purification and refinement of various substances, showcasing the molecular sieve's exceptional capabilities in diverse industrial applications.
Molecular sieves boast an extremely uniform and precise pore size distribution. When a molecule's diameter is less than the sieve's pore diameter, it penetrates the crystal's interior, enabling separation and purification. This meticulous separation of diverse molecular types ensures the efficient purification of different substances, reinforcing the molecular sieve's crucial role across industries. Discover the perfect balance of precision and performance with our advanced molecular sieve technology.
Molecular sieves exhibit remarkable versatility, serving as exceptional adsorbents in both organic chemical and petrochemical industries for gas dehydration. Their role in waste gas purification has also garnered significant attention due to their impressive adsorption capacity, selectivity, and high temperature resistance. These unique characteristics firmly situate molecular sieves as pivotal players in numerous industrial fields, showcasing their indispensable value in modern industrial processes.
Molecular sieves are highly prone to water absorption, necessitating careful storage. They should not be exposed directly to air but rather stored in a dry, sealed environment. Should moisture absorption occur, it is imperative to regenerate the sieves post-use to maintain their efficacy. Proper storage and regeneration practices ensure the longevity and optimal performance of molecular sieves, preserving their superior adsorption properties and industrial utility.
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