Aogochem supplies LSX Molecular Sieve (Low Silica X-Type), a high-performance, potassium-free variant of 13X with a low Si/Al ratio (~2). It delivers ...
In critical gas separation and purification processes where performance margins dictate efficiency, safety, and cost, standard adsorbents often fall short. Aogochem LSX (Low Silica X-Type) Molecular Sieve represents a significant leap forward in zeolite technology. Engineered as a superior variant of the conventional 13X sieve, LSX achieves a breakthrough by reducing its silicon-to-aluminum ratio (SiO₂/Al₂O₃ close to 2). This fundamental change increases the density of active cationic sites within the crystal lattice, granting it an exceptionally high pore volume and specific surface area. Combined with its deliberate "potassium-free" formulation, LSX delivers unmatched dynamic adsorption capacity, accelerated adsorption kinetics, and enhanced thermal/mechanical stability. It is the definitive solution for applications demanding the deepest removal of carbon dioxide (CO₂) at trace levels, complete moisture drying to prevent ice formation, and the reliable elimination of flammable hydrocarbons like acetylene and ethane. For air separation pre-purification, natural gas sweetening, and industrial gas polishing, choosing Aogochem LSX means investing in longer cycle life, lower energy consumption, and reduced capital costs for your adsorption systems.
LSX is characterized by its unique chemical composition and the resulting superior performance metrics compared to standard 13X.
| Property | LSX Molecular Sieve Specification | Significance / Advantage vs. Standard 13X |
|---|---|---|
| Type & Structure | Low Silica X-Type (FAU), Potassium-Free | Higher cation density per unit cell due to lower Si/Al ratio, directly boosting capacity for polar molecules. |
| SiO₂/Al₂O₃ Ratio | ~2.0 (Theoretical) | The key differentiator. Maximizes the number of charge-balancing cations, which are the primary adsorption sites. |
| Primary Application | Deep Purification: CO₂, H₂O, C₂H₂, C₂H₆ removal. | 20-40% higher CO₂ adsorption capacity at low partial pressures. Superior for trace impurity removal. |
| Dynamic Adsorption Capacity | Extremely High | Enables longer switching cycles, reducing PSA/TSA system frequency and lowering energy consumption for regeneration. |
| Adsorption Kinetics | Very Fast | Maintains a sharp mass transfer zone even at high gas flow rates, ensuring efficient use of the entire bed and consistent product purity. |
| Thermal & Hydrothermal Stability | Excellent (Potassium-Free Design) | Eliminates risks of crystal structure degradation or strength loss associated with potassium migration at high temperatures. Typical service life of 3-5 years. |
| Mechanical Strength | High Crush Strength, Low Attrition | Withstands the stresses of industrial pressure swing cycles, ensuring low pressure drop and minimal dusting over its lifespan. |
| Form | Spherical beads or extrudates (standard sizes: 1.6mm, 3.2mm, etc.) | Optimized for packed bed design in adsorption towers. |
1. Air Separation Pre-Purification (Primary Application):
Purpose: Removing CO₂, moisture, and hydrocarbons (C₂H₂) from compressed air before cryogenic distillation in ASUs (Air Separation Units).
LSX Advantage: Its ultra-high CO₂ capacity and fast kinetics ensure complete removal, preventing ice and dry ice formation in cold boxes. The extended cycle life reduces regeneration energy costs significantly.
2. Deep Drying of Gases:
Purpose: Achieving ultra-low dew points (e.g., < -100°F) in instrument air, natural gas, and process streams.
LSX Advantage: Exceptional water adsorption capacity at low concentrations provides a reliable guard against equipment freezing and corrosion.
3. Hydrocarbon & Impurity Removal for Safety:
Purpose: Scrubbing acetylene, ethane, and other heavy hydrocarbons from ethylene streams, hydrogen, or other industrial gases to prevent hazardous buildup.
LSX Advantage: High affinity and capacity for these molecules ensure product safety and protect downstream catalysts.
4. Industrial Gas Purification:
Purpose: Natural gas sweetening (combined sulfur and water removal) and LPG purification.
LSX Advantage: The combined high capacity for both polar (H₂O, H₂S) and non-polar molecules makes it an efficient, multi-functional purification media.
Reduced Energy Consumption: Longer adsorption cycles directly lower the frequency and energy cost of heater regeneration in TSA systems or compressor work in PSA systems.
Capital Cost Savings: Higher efficiency allows for the design of smaller adsorption towers for the same duty, reducing system footprint, vessel cost, and initial adsorbent fill volume.
Enhanced Process Reliability: Superior stability and long life (3-5 years) minimize unscheduled shutdowns and maintenance costs, ensuring continuous operation.
Optimized Performance: Fast kinetics ensure high-purity product gas is maintained even during variable feed conditions or at high throughput rates.
Expertise in Advanced Zeolites: We master the synthesis and formulation of high-performance variants like LSX, providing not just a product but a technological upgrade.
Performance Validation: We provide comparative data and support to model the performance gains (capacity increase, cycle extension) LSX can bring to your specific process.
Guaranteed Quality & Consistency: Our rigorous production controls ensure every batch of LSX delivers the promised high capacity and strength, ensuring predictable system performance.
Global Technical Support: Our engineers can assist with system design review, loading procedures, and start-up support to maximize the benefits of your LSX investment.
Upgrade your purification process with molecular sieve science. Contact Aogochem's adsorption specialists to discuss your application, request performance data comparing LSX to standard 13X, or obtain a sample for testing.
Contact: Ms. Wang
Phone:
Tel: +86 177 699 404 99
Email: info@aogochem.com
Add: Licang, Qingdao City, Shandong Province