Aogochem supplies premium 13X APG Molecular Sieve, the specialized adsorbent engineered for air separation pre-purification. Optimized for superior co...
Aogochem 13X APG Molecular Sieve is a premium, specially engineered grade of 13X zeolite, optimized explicitly for Air Pre-Purification (APG) in cryogenic air separation plants and other demanding gas processing applications. While based on the standard 13X large-pore structure, the "APG" formulation is fine-tuned to deliver unmatched performance in the simultaneous and deep removal of carbon dioxide (CO₂) and water vapor (H₂O) from compressed air streams. This co-adsorption capability is critical to protect downstream cryogenic heat exchangers and distillation columns from freeze-ups and blockages, ensuring safe, efficient, and continuous operation of air separation units (ASUs).
The key distinction of the 13X APG grade lies in its optimized adsorption isotherm and enhanced mass-transfer kinetics for CO₂ at low partial pressures and near-ambient temperatures—precisely the conditions found in air prepurification. This results in a longer CO₂ breakthrough time, higher dynamic adsorption capacity, and more efficient use of the adsorbent bed compared to standard grades. Aogochem's 13X APG is manufactured to exhibit exceptional mechanical strength and low attrition, providing a stable pressure drop and extended service life over thousands of adsorption-regeneration cycles in Pressure Swing Adsorption (PSA) or Temperature Swing Adsorption (TSA) PPU designs.
Below are the critical specifications for Aogochem's 13X APG Molecular Sieve, highlighting its performance parameters essential for air separation engineering.
| Parameter | Unit | Beads (Spherical) | Pellets (Cylindrical) | Notes / Test Method |
|---|---|---|---|---|
| Chemical Formula | - | Na₂O·Al₂O₃·(2.8±0.2)SiO₂·xH₂O | Na₂O·Al₂O₃·(2.8±0.2)SiO₂·xH₂O | Optimized Sodium Aluminosilicate |
| Effective Pore Size | Å (Angstrom) | ~10 | ~10 | Type X Large-Pore Structure |
| Primary Function | - | Co-adsorption of CO₂ & H₂O from air | Co-adsorption of CO₂ & H₂O from air | Air Pre-Purification (APP) |
| Typical Size | mm | 1.6-2.5, 3.0-5.0 | 1.6, 3.2 | Optimized for low pressure drop |
| Bulk Density | g/ml | ≥ 0.66 - 0.70 | ≥ 0.64 - 0.68 | Tapped |
| Static Water Adsorption | wt% | ≥ 24.0 | ≥ 23.5 | @ 25°C, 17.5 mmHg |
| CO₂ Adsorption Capacity | wt% | ≥ 18.0 | ≥ 17.5 | @ 25°C, 250 mmHg (Key Performance Indicator) |
| Crush Strength | N/particle | ≥ 45 (1.6-2.5mm), ≥ 85 (3-5mm) | ≥ 40 (1.6mm), ≥ 75 (3.2mm) | High strength for deep beds and long life |
| Attrition Loss | wt% | ≤ 0.20 | ≤ 0.25 | Very low dusting for clean operation |
The 13X APG Molecular Sieve is a mission-critical consumable in industries where the reliable production of high-purity gases is paramount.
Cryogenic Air Separation Plants: The primary and defining application. It is used in the Pre-Purification Unit (PPU) to remove H₂O and CO₂ from incoming compressed air to trace levels (typically < 1 ppmv) before the air enters the cold box. This prevents ice and dry ice formation, which could otherwise damage expensive cryogenic equipment and cause unscheduled shutdowns.
PSA/VPSA Oxygen & Nitrogen Generators: Essential for both large-scale industrial plants and modular medical oxygen systems. It ensures the feed air is thoroughly dried and purified, which protects downstream catalysts (in some designs) and is crucial for producing high-purity (>90-95%) oxygen or nitrogen reliably.
Other Gas Purification Processes: While optimized for air, its superior CO₂ removal capacity makes it an excellent choice for other applications requiring deep CO₂ and H₂O removal from light gas streams, such as hydrogen purification, instrument air drying, and inert gas generation.
Aogochem understands that the performance of your prepurification unit directly impacts the overall efficiency, safety, and uptime of your entire air separation or gas production facility.
Engineered for Peak PPU Performance: Our 13X APG is not a generic product. It is specifically formulated and tested to deliver the extended CO₂ breakthrough times and high dynamic capacity required for efficient PPU cycle design, directly contributing to lower energy consumption and operating costs.
Guaranteed Reliability & Consistency: We implement rigorous quality control to ensure every batch meets the high mechanical and adsorption performance standards. Consistent product quality means predictable PPU operation, easier maintenance planning, and no unpleasant surprises.
Technical Partnership: We offer more than just supply. Our technical team can assist with adsorbent selection, initial loading recommendations, and regeneration parameter optimization to help you maximize the lifecycle and value of your adsorbent investment.
Global Supply for Critical Infrastructure: We support the global industrial gas sector with reliable logistics, ensuring timely delivery of this essential consumable to keep your operations running smoothly, from major gas producers in the Middle East to industrial manufacturers in Russia and worldwide.
Loading & Commissioning: Proper loading is critical. Follow tower inspection and loading procedures meticulously to ensure even bed distribution and avoid channeling. After loading, follow recommended conditioning or initial regeneration procedures to activate the bed fully.
Regeneration in PPU Service: Regeneration parameters (temperature, purge gas flow, pressure swing sequence) are determined by your specific PPU design (TSA or PSA). Always adhere to the plant manufacturer's or our recommended protocols to ensure complete desorption of water and CO₂, which is vital for maintaining full capacity in subsequent cycles.
Storage: This product is highly hygroscopic. Store in a cool, dry, and sealed environment. Always keep original, unopened containers tightly sealed. Use opened containers promptly.
Safety: Standard industrial handling practices apply. Use appropriate PPE (gloves, safety glasses) to prevent irritation from dust or contact with dry material. For detailed safety information, please refer to the product's Safety Data Sheet (SDS).
Contact: Ms. Wang
Phone:
Tel: +86 177 699 404 99
Email: info@aogochem.com
Add: Licang, Qingdao City, Shandong Province