Chemxin Sphere Pellet Zeolite 4A Molecular Sieves for Instrument Air Dryer
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- Supplier: Guangzhou Chemxin Environmental Material Co. Ltd.
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Product Overview
Description
Product Description
Chemxin Molecular Sieve type 4A is an alkali aluminosilicate; it is the sodium form of the Type A crystal structure. 4A molecular sieve has an effective pore opening of about 4 angstroms (0.4nm). 4A molecular sieve will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those larger. Such adsorb-able molecules include simple gas molecules such as oxygen, nitrogen, carbon dioxide and straight chain hydrocarbons. Branched chain hydrocarbons and aromatics are excluded.
Technical Parameter:
| Model | 4A | |||
| CAS Number | 70955-01-0 | |||
| Nominal pore diameter | 4 angstroms | |||
| Shape | Sphere | Pellet | ||
| Diameter (mm) | 1.7-2.5(8*12 mesh) | 3.0-5.0(4*8 mesh) | 1.6(1/16 inch) | 3.2(1/8 inch) |
| Size ratio up to grade (%) | ≥98 | ≥98 | ≥96 | ≥96 |
| Bulk density (g/ml) | ≥0.70 | ≥0.70 | ≥0.68 | ≥0.68 |
| Wear ratio (%) | ≤0.20 | ≤0.20 | ≤0.40 | ≤0.40 |
| Crushing strength (N) | ≥35/piece | ≥85/piece | ≥30/piece | ≥70/piece |
| Static H2O adsorption (%) | ≥21.5 | ≥21.5 | ≥21.5 | ≥21.5 |
| Static methanol adsorption (‰) | ≥15 | ≥15 | ≥15 | ≥15 |
| Water content (%) | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
| Typical Chemical Formula | Na2O . Al2O3 . 2SiO2 . 4.5 H2O (SiO2 : Al2O3 ≈2) | |||
| Typical Application | a) Drying and removing of CO2 from natural gas, LPG,air, inert and atmospheric gases, etc c) Special types are used in the air brake system of buses, trucks and locomotives. e) For fire escape mask g) For filter | |||
Regeneration:
Chemxin molecular sieve Type 4A can be regenerated by either heating in the case of thermal swing processes; or by lowering the pressure in the case of pressure swing processes.
To remove moisture from a 4A molecular sieve, a temperature of 250-280°C is required. A properly regenerated molecular sieve can give moisture dew points below -60°C.
The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process.
Size:
4A - Zeolite are available in beads of 1-2 mm(10x18 mesh), 2-3 mm(8x12 mesh), 2.5-5 mm(4x8 mesh) and as powder, and in pellet 1.6mm, 3.2mm.
Attention:
To avoid damp and pre-adsorption of organic before running, or must to be reactivated.
Company Information
CHEMXIN is one of the biggest leading manufacturer of adsorbents, tower support medias and tower packings in China. Our factory covers an area of 42,000M2 with fully automatic production lines, intelligent warehouse, perfect production system, as well as excellent quality control system throughout all stages of production. We have nearly 20 years of factory production experience enables us to guarantee customer satisfaction.
At present, our company is sinopec network resource market supplier. Our products have been widely used in electricity, petroleum, chemical, metallurgy, environmental protection, pharmaceutical, aerospace, aviation and other industries throughout the country. Exports to more than 130 countries and regions overseas. We have provided products and professional services for dozens of the world's top 500 for many years, like SINOPC, AIRLIQUID, GE, BAYER, TATA GROUP, SORBEAD ect.
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