OEM Factory for Bracelet Beads Men - 3A type Molecular Sieve – Sanxin Hi-Tech Ceramics
3A type Molecular Sieve Introduction Molecular Sieve type 3A is an alkali metal alumino-silicate; it is the potassium form of the type A crystal structure. Type 3A has an effective pore opening of about 3 angstroms (0.3nm). This is large enough to allow in moisture, but excludes molecules such as unsaturated hydrocarbons which can potentially form polymers; and this maximises lifetime when dehydrating such molecules. Technical Parameter Model 3A Color Light gray Nominal pore diamete...
OEM Factory for Bracelet Beads Men - 3A type Molecular Sieve – Sanxin Hi-Tech Ceramics Detail:
3A type Molecular Sieve
Molecular Sieve type 3A is an alkali metal alumino-silicate; it is the potassium form of the type A crystal structure. Type 3A has an effective pore opening of about 3 angstroms (0.3nm). This is large enough to allow in moisture, but excludes molecules such as unsaturated hydrocarbons which can potentially form polymers; and this maximises lifetime when dehydrating such molecules.
|Nominal pore diameter||3 angstroms|
|Size ratio up to grade (%)||≥98||≥98||≥96||≥96|
|Bulk density (g/ml)||≥0.72||≥0.70||≥0.66||≥0.66|
|Wear ratio (%)||≤0.20||≤0.20||≤0.2||≤0.2|
|Crushing strength (N)||≥55/piece||≥85/piece||≥30/piece||≥40/piece|
|Static H2O adsorption (%)||≥21||≥21||≥21||≥21|
|Ethylene adsorption (‰)||≤3.0||≤3.0||≤3.0||≤3.0|
|Water content (%)||≤1.5||≤1.5||≤1.5||≤1.5|
|Typical Chemical Formula||0.4K2O . 0.6Na2O . Al2O3 . 2SiO2 . 4.5 H2O
SiO2 : Al2O3 ≈2
|Typical Application||a) Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien)
b) Cracked Gas Drying
c) Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.
d) Drying of highly polar compounds, such as methanol and ethanol
e) Drying of liquid alcohol
f) Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
g) Drying of CNG.
|Package :||Carton box; Carton drum; Steel drum|
|MOQ:||1 Metric Ton|
|Payment Terms:||T/T; L/C; PayPal; West Union|
|Warranty:||a) By National Standard GBT 10504-2008|
|b) Offer lifetime consultation on problems occurred|
|Delivery Time||3 days||5 days||Stock available|
Molecular sieve Type 3A 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 3A molecular sieve, a temperature of 200-230°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.
3A – Zeolites are available in beads of 1-2 mm(10×18 mesh), 2-3 mm(8×12 mesh), 2.5-5 mm(4×8 mesh) and as powder, and in pellet 1.6mm, 3.2mm.
To avoid damp and pre-adsorption of organic before running, or must to be reactivated.
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