Introduction
Chemxin molecular sieve type 4a is an alkali alumino silicate; 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). Chemxin type 4a molecular sieve will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those larger. Such adsorbable molecules include simple gas molecules such as oxygen, nitrogen, carbon dioxyde and straight chain hydrocarbons. Branched chain hydrocarbons and aromatics are excluded.
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 -100°c.
The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process
Size
4a - zeolites 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.
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Introduction The component of carbon molecular sieve (CMS) is carbon. CMS takes the appearance of cylindrical black solid, contains countless 4 angstrom fine pores, it can be used to separate air into nitrogen and oxygen .In industry, CMS can concentrate nitrogen from air with PSA systems. Our CMS products have the character of large nitrogen yield capacity; high nitrogen recovery. It can meet the requirement of all types of PSA nitrogen systems. The carbon molecular sieve is widely applied in petroleum chemical industry, the heat treatment of metal, the electronic manufacture and food preservation industries. Physical properties Cylindrical Diameter: 1.3mm 1.6mm 2.2mm Bulk Density: 640-660g/ml Crushing Strength: 100N/p Min Dust level: 100PPM Max Technical Parameter Model Carbon Molecular Sieve Appearance Black, extruded(pellet) Diameter 1.3mm; 1.6mm; 2.2mm or customized Crushing Strength 100N/P min Dust level 100PPM Max Type Adsorbent pressure Nitrogen purity Nitrogen quantity Nitrogen recovery (MPa) (N2%) (NM3/h.t) N2/Air(%) CMS-200 0.8 99.99 70 21 99.9 140 27 99.5 200 36 99 260 41 98 330 48 CMS-220 0.8 99.99 90 25 99.9 160 34 99.5 220 43 99 290 48 98 360 54 CMS-240 0.8 99.99 100 26 99.9 175 35 99.5 240 44 99 300 49 98 370 55 CMS-260 0.8 99.99 110 27 99.9 190 36 99.5 260 45 99 310 50 98 380 56 Typical Application CMS takes the appearance of cylindrical black solid, contains countless 4 angstrom fine pores, it can be used to separate air into nitrogen and oxygen .In industry, CMS can concentrate nitrogen from air with PSA systems. Our CMS products have the character of large nitrogen yield capacity; high nitrogen recovery. It can meet the requirement of all types of PSA nitrogen systems. The carbon molecular sieve is widely applied in petroleum chemical industry, the heat treatment of metal, the electronic manufacture and food preservation industries. Package : Plastic drum MOQ: 500 KG Payment Terms: T/T; L/C; PayPal; West Union Warranty: a) shelf time: >3years b) Offer lifetime consultation on problems occurred Container 20GP 40GP Sample order Quantity 10.8 MT 21.6 MT < 5kg Delivery Time 5 days 10 days Stock available Service scope The following merits of service: High ratio performence&price, reducing investment cost and operation cost. Large hardness, little ash, long service life, uniform particles which protests air current impact. Stable quality: Testing strictly according to 100% standard of production and ex-factory testing management. The resin uses in producing the high pure nitrogen with good performance which substitutes the similar import products. Three guarantees
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