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Zeolite molecular sieves have the structure and characteristics of crystals, the surface is a solid skeleton, and the internal holes have the function of adsorbing molecules. There are pores connected to each other, and molecules pass through the pores channels. Due to the crystalline nature of the pores, the pore size distribution of molecular sieves is very uniform. Molecular sieves selectively adsorb molecules according to the size of the holes in their crystal, that is, they adsorb molecules of a certain size and repel molecules of larger substances, so they are figuratively called "molecular sieves."
5A molecular sieves are usually formed by the exchange of calcium ions to 4A molecular sieves instead of sodium ions. Divalent calcium ions make it an excellent choice for removing carbon dioxide, CO, hydrogen sulfide, and other weakly polar molecules.
| Properties | Unit | Technical data | ||||
| Shape | Spherical | Cylindrical | ||||
| Diameter | mm | 1.6~2.5 | 2.0~3.0 | 3.0~5.0 | 1.5~1.7 | 3.0~3.3 |
| Granularity | % | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 |
| Bulk Density | g/ml | ≥0.72 | ≥0.71 | ≥0.70 | ≥0.68 | ≥0.66 |
| Abrasion | % | ≤0.20 | ≤0.20 | ≤0.20 | ≤0.20 | ≤0.20 |
| Crush Strength | N | ≥30 | ≥35 | ≥85 | ≥40 | ≥80 |
| Static H2O Absorption | % | ≥22 | ≥22 | ≥22 | ≥22 | ≥22 |
| C6H14 Adsorption | % | ≥13.5 | ≥13.5 | ≥13.5 | ≥13.5 | ≥13.5 |
| Moisture | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
5A Molecular Sieve Application Fields
1. LNG drying, desulfurization and decarbonization;
2. Nitrogen-oxygen separation, nitrogen-hydrogen separation, oxygen, nitrogen,hydrogen production and concentration ;
3. Petroleum dewaxing, separation of N-chain hydrocarbons, branched-chain hydrocarbons and cyclic hydrocarbons;
4. Pressure swing adsorption devices for oxygen, hydrogen, carbon dioxide and other gases.
5. Air purification, dehydration and carbon dioxide removal.
Package
Storage
Prevent the molecular sieves from exposing directly to the damping environment and any absorption of water or organic substance before it's used, otherwise it must be regenerated.
All Chemequip molecular sieves can be regenerated by temperature or pressure swing.
Delivery
For small quantity order < 100kg, 10 days after purchased contract is efficient.
For big quantity order > 500kg, 15 days after purchased contract is efficient.
Chemequip(Xuancheng) New Material Ltd. devotes to provide the optimal custom-made molecular sieves solution to the customers around the world. Its headquarter Chemequip Industries Ltd. located in the Songjiang district, Shanghai of China, has deeply cooperated with an internationally recognized high efficient heat exchange technology supplier for nearly 20 years.
Chemequip (Xuancheng) New Material Ltd. commits to provide the world market with new chemical material molecular sieves product, it sets up the sales and services offices in Europe and an agent service system in the Middle East, providing the optimal solution for global customers.
Chemequip (Xuancheng) New Material Ltd. establishes a molecular sieve production base with an annual output of 20,000 tons in the Xuancheng Economic Development Zone, it covers an area of 35 acres with a factory area of 23,000 m2 and an R&D center of 1500 m2. It can provide molecular sieves types includes the 3A, 4A, 5A, 13X and a variety of high-end formulations such as 13X medium silicon and 13X low silicon, and also it can be customized by customer request.
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