3A Molecular Sieve
| Certificate:ISO9001:2000 |
Online Postings: Products , Selling Leads
Country/Territory: China
Business Type: Manufacturer
Number of Employees: 101 - 500 People
Introduction
XINTAO Molecular Sieve type 3A is an alkali metal alumino-silicate; it is the potassium form of the typ 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.
Typical Chemical Formula
0,45 K2O . 0,55 Na2O . Al2O3 . 2 SiO2 . 4.5H2O
SiO2 : Al2O3 ≈2
Technical Parameter
Item | Unit | Technical data | Test Method | |||
Shape | Pellet | Sphere | ||||
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 | GB / T 6288 |
Bulk density | g/ml | ≥0.60 | ≥0.60 | ≥0.60 | ≥0.60 | GB / T 6286 |
Wear ration | % | ≤0.20 | ≤0.25 | ≤0.20 | ≤0.20 | GB / T 10505.2 |
Crushing strength | N | ≥45/cm | ≥60/cm | ≥45/p | ≥45/p | GB / T 10505.1 |
Water adsorption | % | ≥20 | ≥20 | ≥20 | ≥20 | GB / T 6287 |
Packing water | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | GB / T 10505.4 |
Typical Application
(1) Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien)
(2) Cracked Gas Drying
(3) Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.
(4) Drying of highly polar compounds, such as methanol and ethanol
(5) Drying of liquid alcohol
(6) Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
(7) Drying of refrigerants
Regeneration
XINTAO 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.
Size
3A - 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 1.6, 3.2.
3A Molecular Sieve
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Contact Us
PingXiang XINTAO Chemical Packing Co., Ltd.
[China]
Street Address : West Section, High-tech Industrial Park, Development Zone, Pingxiang City, Jiangxi Province. China
City : Pingxiang
Province/State : Jiangxi
Country/Region : China