Zeolite 5A Molecular Sieve for Desulfurization Purification Hydrogen Drying Natural Gas Supplier

Email
WhatsApp

Product Inroduction: Zeolite 5A Molecular Sieve for Desulfurization Purification Hydrogen Drying Natural Gas Supplier

Technical Parameter:

Model5A
ColorLight gray
Nominal   pore diameter5 angstroms
ShapeSpherePellet
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≥75/piece
Static H2O adsorption (%)≥21≥21≥21≥21
Static   Hexane adsorption (%)≥12≥12≥12≥12
Water   content (%)≤1.5≤1.5≤1.5≤1.5
Typical Chemical Formula0.7CaO . 0.3Na2O . Al2O3 . 2SiO2 . 4.5H2O
（SiO2 : Al2O3 ≈2）
Typical Applicationa) The strong ionic forces of the divalent   calcium ion makes 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   paraffin’s.
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.
Warranty:a)By National Standard GB 13550-1992.
b)Offer lifetime consultation on   problems occurred

1. What is 5A molecular sieve?

5A Molecular Sieve is a synthetic aluminosilicate with uniform micropores of approximately 5 Ångström (0.5 nm) in diameter. It belongs to the zeolite family and is designed to selectively adsorb molecules with diameters less than 5Å.

2. Chemical Composition and Structure of 5A Molecular Sieve

Chemical Formula: Ca₅Na₂[(AlO₂)₁₂(SiO₂)₁₂]·27H₂O

Crystal Structure: Cubic crystal system with a 3D porous framework.

Ionic Form: Produced by partially replacing sodium ions (Na⁺) in 4A molecular sieve with calcium ions (Ca²⁺), increasing the pore size.

3. Properties of 5A Molecular Sieve

Pore Size: 5Å, suitable for adsorbing molecules smaller than this diameter.

High Surface Area: ~500–700 m²/g, ensuring strong adsorption.

Thermal Stability: Withstands up to 600°C.

Chemical Stability: Resistant to mild acids and bases; decomposes in strong acids/bases.

Moisture Adsorption: Excellent water adsorption capability.

4. Adsorption Characteristics of 5A Molecular Sieve

5A molecular sieve selectively adsorbs:

Normal alkanes (C3–C6)

Water (H₂O)

Carbon dioxide (CO₂)

Hydrogen sulfide (H₂S)

Oxygen (O₂), nitrogen (N₂) in gas separation systems

It does not adsorb branched-chain or aromatic hydrocarbons due to their larger molecular diameter.

5.Major Applications of 5A Molecular Sieve

– Gas Separation

Petroleum Refining: Separates normal paraffins (n-alkanes) from branched or aromatic hydrocarbons for isomerization or dewaxing.

 

Hydrogen Purification: Removes CO₂ and CH₄ from H₂-rich gas streams.

 

PSA Units: Used in Pressure Swing Adsorption systems to produce high-purity nitrogen or oxygen.

 

– Drying Applications

Deep drying of natural gas, cracked gas, refrigerants (e.g., R12, R22), and more.

 

– Environmental Use

Adsorbs small pollutant molecules such as CO₂ and H₂S in exhaust treatment.

 

– Other Uses

Catalyst carrier in chemical processes.

 

Solvent dehydration in pharmaceutical or fine chemical industries.

6. What Is the Difference Between 4A, 5A, and 13X Molecular Sieves?

Type             Pore Size            Cation                  Typical Use

4A                    4Å                    Na⁺                   Water and small molecule drying

5A                    5Å                 Ca²⁺/Na⁺             Normal paraffin separation, larger molecule adsorption

13X                 10Å                   Na⁺                   Adsorbs large molecules (e.g., aromatics, CO₂)

7. Regeneration Methods for 5A Molecular Sieve

Thermal Regeneration: Heat to 250–350°C to remove adsorbed substances. Use inert gas protection.

Pressure Swing Regeneration: Commonly used in PSA processes—adsorbates are desorbed by reducing pressure.

8.What Precautions Should Be Taken When Using 5A Molecular Sieve?

Activation Required: Dry before use by heating to remove residual moisture.

Avoid Oil Contamination: Oil can clog pores and reduce performance.

Proper Storage: Store in airtight, moisture-proof containers to prevent premature adsorption.

9. How does 5A molecular sieve work in PSA (Pressure Swing Adsorption) systems?

In PSA systems, 5A molecular sieve adsorbs specific components (e.g., N₂, CO₂, CH₄) at high pressure and releases them at low pressure. This cycle allows for continuous gas purification—especially in hydrogen production, oxygen generation, and nitrogen separation.

10. Can 5A molecular sieve be reused?

Yes. 5A molecular sieve is fully regenerable. After saturation, it can be reused multiple times by proper thermal or pressure swing regeneration. Lifespan can exceed 1–2 years depending on conditions.

11. Is 5A molecular sieve safe to handle?

Yes, it is chemically stable and non-toxic under normal handling. However:

Avoid inhalation of fine powder during handling.

Wear gloves and goggles if working with loose material or high temperatures.

12. How does 5A compare to silica gel or activated alumina?

Material                      Target Use                                                Key Advantage

5A                                Gas separation, drying of             Molecules selective adsorption by pore size                                         medium-size

Silica Gel                     Moisture adsorption                     Good at high humidity, reusable at low temp

Activated Alumina     Water and acidic gas removal     High crush strength and water capacity

13. What is the shelf life of 5A molecular sieve?

When properly stored in sealed, dry conditions, 5A molecular sieve can be stored for up to 2 years without loss of performance.

Factory Introduction

Molecular Sieve Manufacturer

We Ensure Quality Control

– Strict SOPs implemented by experienced technicians
– Regular sampling and lab testing throughout production
– Retained sample storage for 5 years for traceability
– Final inspection before shipment to ensure compliance with technical standards

SienChem Technology Co., Ltd, founded in 2019, specializes in the production and marketing of molecular sieve, activated molecular sieve powder, and activated alumina for industrial use. Our products serve applications such as gas purification, water treatment, and air separation. Located in Anhui, our factory produces 8,000 tons annually and operates under the ISO 9001 quality management system. We maintain a modern lab and quality control center staffed by 8 engineers and 12 technicians. 

Molecular Sieve Manufacturer

Frequently Asked Questions

Frequently Asked Question

Our factory specializes in the manufacturing of molecular sieve products, including:
Molecular Sieve Powder (Activated)
Molecular Sieve Beads and Pellets (3A, 4A, 5A, 13X)
Activated Alumina
These are widely used in gas drying, solvent recovery, air separation, polyurethane systems, coatings, and more.

Our factory has an annual capacity of 8,000 tons of molecular sieve, with advanced dehydration and activation equipment, ensuring consistent quality and large-scale supply for both domestic and international clients.

Yes, we provide OEM, ODM, and private labeling services based on customer needs, including customized packaging, branding, and technical formulation support.

Yes, for every batch we supply a Certificate of Analysis (COA) and Technical Data Sheet (TDS), including information on moisture adsorption, particle size,bulk density, and etc.

– Strict SOPs implemented by experienced technicians
– Regular sampling and lab testing throughout production
– Retained sample storage for 5 years for traceability
– Final inspection before shipment to ensure compliance with technical standards
– Third party inspection such as SGS or ClQ is acceptable.

Yes, free samples (500g–1kg) are available for quality testing and formulation trials. Shipping costs may be covered by the customer and refund to next order.

Yes, we are manufacturer. You are very welcome to visit our factory! We encourage customer visits to see our production process, quality control system, and laboratory facilities firsthand. Please contact us in advance to arrange the schedule—we’ll be happy to provide airport pickup, hotel booking assistance, and a full factory tour. We look forward to meeting you in person and building a long-term partnership. 

Our standard payment terms are flexible to meet customer needs. Common options include:
– T/T (Telegraphic Transfer): 30% deposit in advance, 70% balance before shipment
– L/C (Letter of Credit): Available for large or long-term orders
– Negotiable terms: For trusted or repeat customers, we can discuss more favorable terms
– Other options: PayPal, or RMB payments for sample orders or small quantities

Our standard MOQ is 1000 kg for most molecular sieve products. However, for trial orders, samples, or new customers, we can be flexible and accept smaller quantities, such as 450 kg (one pallet). We’re happy to support your testing or initial market development before larger purchases.

Normally regular products are in stock.

– Standard orders: 7–10working days
– Custom orders: 12–15 working days
Delivery time depends on order quantity and packaging requirements.

We offer:
– 15kg/ carton box
-150kg /steel drum
-1000kg/jumbo bag
– Custom packaging available upon request
All packaging is moisture-proof and sealed to maintain product performance.

Yes, our technical team can provide formulation advice, compatibility testing, and usage guidelines to help integrate our molecular sieve powder into your system effectively.

Yes, we offer competitive pricing and volume-based discounts. The final price depends on factors such as order quantity, packaging requirements, and payment terms. For regular or bulk customers, we’re happy to provide special pricing or long-term cooperation discounts.

We take after-sales service seriously and are committed to long-term customer satisfaction. For all molecular sieve products, we provide:
Technical support for product application, usage guidance, and troubleshooting
Follow-up service to ensure product performance meets your expectations
Free replacement or compensation for any confirmed quality issues
Responsive communication, with inquiries replied to within 24 hours
Document support including COA, MSDS, TDS, and RoHS/REACH certifications as needed

Yes. Our molecular sieve powders are non-toxic, odorless, and recyclable after regeneration. They are safe for use in industrial and consumer applications.

You can contact our sales team via email or phone with your specific requirements (grade, quantity, packaging). We will respond with a detailed quotation within 24 hours.

Scroll to Top

Get a Quote and Free Sample