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Chemical Molecular Sieve 5a PSA Adsorber Application Zeolite Molecular Sieves

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Chemical Molecular Sieve 5a PSA Adsorber Application Zeolite Molecular Sieves

Brand Name : Xi'an Lvneng

Model Number : Molecular Sieve 5a

Certification : ISO9001:2008

Place of Origin : Shaanxi,China

MOQ : 10 Kilograms

Price : Negotiable

Supply Ability : 50 Tons/ per Month

Delivery Time : 3-15 work days

Packaging Details : 1. Carton Drum/25KG 2. Carton Box/25KG; 3. Iron Drum/150KG

size : 2.0--3.0mm;3.0--5.0mm;4.0--6.0mm

Static adsorbed water % : ≥21.0

Package moisture content% : ≤1.50

Static adsorbed n-hexane % : ≥12.0

Qualified rate of particle size % : ≥98.0

Compressive strength N/P : ≥50

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Molecular Sieve 5a Used For Separation Of Normal- And Iso Paraffin’s

Introduction

Molecular Sieve type 5A is an alkali alumino silicate; it is the calcium form of the Type A crystal structure. Type 5A has an effective pore opening of 5 angstroms (0.5 nm). It will adsorb molecules with a kinetic diameter of less than 5 Angstrom and exclude those larger.

It is especially suitable for PSA adsorber applications where it may be used for the separation of normal- and iso- paraffins (C4 to C6 species), in PSA hydrogen purification and in oxygen concentrators.
Typical Chemical Formula
0.7CaO . 0.3Na2O . Al2O3 . 2SiO2 . 4.5H2O
SiO2 : Al2O3 ≈2
Technical Index
Molecular Sieve 5A Typical Physical Properties
Items Unit 8*12 Mesh 4*6 Mesh
Bead Size mm 1.6-2.5 3.0-5.0
Bulk Density g/ml ≥ 0.70-0.82 0.65-0.80
Equilibrium Water Capacity @ 25℃ wt% ≥ 20.5-22.0 20.5-22.0
Equilibrium N-hexane Capacity wt% ≥ 14.0 14.0
Heat of Adsorption BTU/lb of H2O 1800 1800
Crush Strength Point Contact N ≥ 30-60 80-130
Variation Coefficient - 0.3 0.3
Attrition Rate wt% ≤ 0.1 0.1
Size Qualification % ≥ 98 98
Package Moisture wt% ≤ 1.5 1.5
The interval value of the indexes above are on the basis of the different grade of Molecular Sieve 5A

Typical Application

a) The strong ionic forces of the divalent calcium ion make it an excellent adsorbent to remove water, CO2, H2S from sour natural gas streams, while mini missing COS formation. Light mercaptans are also adsorbed.
b) Separation of normal- and iso paraffins.
c) Production of high purity N2, O2, H2 and inert gases from mixed gas streams
d) Static, (non-regenerative) dehydration of insulating glass units, whether air-filled or gas-filled.

Regeneration

Molecular sieve Type 5A 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 5A molecular sieve, a temperature of 250-300°C is required. A properly regenerated molecular sieve can give moisture dew points below -100°C, or mercaptan or CO2 levels below 2 ppm.
The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process.

Attention
Pls avoid damp and pre-adsorption of organic before running, or it must be reactivated.

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