Desiccants for Gas Separation Industry

Desiccants for Gas Separation Industry

Alkeynes Global Projects Pvt Ltd offers a comprehensive range of high-performance desiccants designed for gas separation, purification, and drying applications. These desiccants play a crucial role in removing moisture, contaminants, and impurities from various gases, ensuring enhanced efficiency and longevity of industrial processes.

Our desiccants are used in Pressure Swing Adsorption (PSA), Temperature Swing Adsorption (TSA), and cryogenic separation systems , providing superior adsorption capacity and long service life.

Types of Desiccants & Their Applications

1.0 ACTIVATED ALUMINA

✔ Highly porous material with excellent water adsorption capacity
✔ Used in air & gas drying, PSA oxygen/nitrogen plants, and hydrogen purification
✔ Provides a dew point as low as -40°C to -70°C, ensuring ultra-dry gas supply
✔ Resistant to thermal shock and has a long operational life

Industries:
✅ Compressed Air Dryers
✅ PSA Oxygen & Nitrogen Plants
✅ Hydrogen & Ammonia Cracking Systems

2.0 MOLECULAR SIEVES

✔ Synthetic desiccants with precise pore sizes for selective gas separation
✔ Available in 3A, 4A, 5A, and 13X grades, optimized for different gas separation processes
✔ Used for moisture removal, CO₂ adsorption, and refining of industrial gases
✔ High adsorption efficiency even at low humidity conditions

Applications:
✅ PSA & VPSA Oxygen Generators (5A, 13X)
✅ Nitrogen Purification (Carbon Molecular Sieve)
✅ Hydrogen & Carbon Dioxide Removal

3.0 CARBON MOLECULAR SIEVE

✔ Specially designed for PSA Nitrogen Generation
✔ Selectively adsorbs oxygen while allowing nitrogen to pass through
✔ Provides high nitrogen recovery rates and improved plant efficiency
✔ Long service life with stable performance

Industries:
✅ PSA Nitrogen Plants
✅ High-Purity Nitrogen Production

4.0 SILICA GEL

✔ Excellent moisture adsorption properties
✔ Used in compressed air drying, natural gas dehydration, and analytical instruments
✔ Available in blue, white, and orange indicator types for moisture detection

Industries:
✅ Compressed Air Dryers
✅ Natural Gas Filtration & Drying
✅ Laboratory & Analytical Equipment

5.0 ZEOLITE MOLECULAR SIEVE

✔ Highly crystalline aluminosilicate desiccant used for gas purification and separation
✔ Removes CO₂, H₂S, and moisture from various industrial gas streams
✔ Used in natural gas processing, oxygen generation, and refining applications

Applications:
✅ Biogas & Natural Gas Purification
✅ Hydrogen & Syngas Production
✅ VOC Removal & Solvent Recovery

6.0 CERAMICA BALLS

Ceramic balls are high-density, chemically inert materials used as support media in adsorption towers, catalytic reactors, and gas separation units . They serve as a protective layer for desiccants, catalysts, and molecular sieves, ensuring uniform gas flow and preventing contamination.

These balls are available in different compositions, sizes, and densities , making them suitable for a wide range of industrial applications, including PSA plants, ammonia cracking systems, and refinery processes .

Types of Ceramic Balls & Their Applications

1. INERT CERAMIC BALLS

✔ Chemically stable & non-reactive in high-temperature and corrosive environments
✔ Provides mechanical support for catalysts & desiccants in reactors and adsorption towers
✔ Available in alumina content ranging from 23% to 99%

Applications:
✅ PSA & VPSA Plants – Used in oxygen & nitrogen generation systems
✅ Petrochemical & Refining Industry – Catalyst bed support in hydrocracking & reforming
✅ Natural Gas Processing – Gas dehydration & purification

2. HIGH ALUMINA CERAMIC BALLS (ACTIVATED SUPPORT MEDIA)

✔ Composed of 90%+ alumina, ensuring high strength & thermal stability
✔ Provides better wear resistance and extends the lifespan of catalysts & desiccants
✔ Suitable for high-pressure gas separation systems

Applications:
✅ Hydrogen & Syngas Purification
✅ Biogas & Natural Gas Filtration
✅ Ammonia & Methanol Production

3. POROUS CERAMIC BALLS (ACTIVATED CERAMIC BALLS)

✔ Highly porous structure for improved adsorption efficiency
✔ Enhances moisture & impurity removal in gas separation processes
✔ Used in adsorption towers & filtration systems for high-efficiency gas treatment

Applications:
✅ Compressed Air & Gas Drying Systems
✅ CO₂ & Moisture Removal in PSA Plants
✅ VOC & Solvent Recovery

Key Benefits of Ceramic Balls:

🔹 High Thermal & Chemical Stability – Resistant to high temperatures & corrosive environments
🔹 Enhanced Mechanical Strength – Protects desiccants & catalysts from wear and breakage
🔹 Improved Process Efficiency – Ensures uniform gas distribution & adsorption performance
🔹 Extended Equipment Life – Reduces operational costs & maintenance frequency
🔹 Versatile Applications – Suitable for gas separation, petrochemical, and refining industries

13X MOLECULAR SIEVE:

13X Molecular Sieve is a sodium-based Type X crystalline aluminosilicate known for its high adsorption capacity, thermal stability, and regenerability . It effectively removes unwanted gases and moisture in air & gas drying, PSA/VPSA oxygen production, biogas purification, and hydrogen separation .

Key Features:

✔ High adsorption efficiency for CO₂, H₂O, H₂S, and VOCs
✔ Stable performance in high-pressure & temperature applications
✔ Long-lasting, regenerable, and cost-effective

Technical Specifications:

✔ Pore Size: 10Å (Angstroms)
✔ Bulk Density: 0.62 – 0.66 g/cm³
✔ Moisture Adsorption Capacity (H₂O): ≥ 27% by weight
✔ CO₂ Adsorption Capacity: ≥ 18% by weight
✔ Crush Strength: ≥ 25N per bead
✔ Regeneration Temperature: 250 – 300°C

Applications:

1. PSA Oxygen & Nitrogen Plants

✔ Removes nitrogen from air to generate high-purity oxygen in VPSA oxygen systems.
✔ Enhances nitrogen purity in PSA nitrogen plants .

2. Natural Gas & Biogas Purification

✔ Adsorbs CO₂, H₂S, and moisture to protect pipelines & processing equipment.
✔ Ensures pipeline-quality gas for industrial & power generation use.

3. Hydrogen & Syngas Purification

✔ Removes CO₂, CO, and other impurities in hydrogen production and fuel cell applications .
✔ Used in reforming & ammonia plant purification.

4. Air Drying & Industrial Gas Separation

✔ Used in desiccant air dryers to remove moisture from compressed air & gas systems .
✔ Ideal for cryogenic gas separation, petrochemical refining, and solvent recovery .
✔ Removes VOC (volatile organic compounds) and sulphur compounds from gas streams.

Key Benefits:

🔹 High Adsorption Capacity – Superior moisture and contaminant removal.
🔹 Energy-Efficient Regeneration – Low power consumption for drying applications.
🔹 Enhanced Purification & Gas Quality – Ensures high-purity gases in PSA & cryogenic systems.
🔹 Long Service Life – Highly durable under cyclic operations, reducing replacement costs.
🔹 Versatile Applications – Suitable for PSA plants, compressed air dryers, and natural gas processing .