Identify Core Requirements
Strive for high oxygen purity: For example, in the healthcare field, oxygen concentrations of 90%-96% are required, and zeolite molecular sieve is a proven market choice.
Focus on operating costs and efficiency: For large-scale industrial oxygen production, energy consumption is a key factor. Lithium-based molecular sieves (such as PU-8) significantly reduce power consumption due to their excellent performance, making them more economical in the long term.
Consider Equipment Scale and Technology
For small and medium-sized pressure swing adsorption (PSA) oxygen production equipment: Zeolite molecular sieves are a reliable and cost-effective option due to their mature technology.
Large-scale or Vacuum Pressure Swing Adsorption (VPSA) systems: For higher oxygen recovery rates and lower energy consumption, lithium-based molecular sieves are a more advanced solution, especially for large-scale systems.
Notes:
Molecular sieves are only part of the system: An efficient oxygen production system also depends on multiple components, including the air compressor, adsorption tower design, valves, and control strategies. For example, Peking University Pioneer has solved the problems of uneven gas distribution and pressure fluctuations in large-scale systems by using a radial bed adsorption tower and an optimized four-tower process.
Focus on the overall solution: Rather than focusing solely on the type of molecular sieve, it is better to examine the equipment supplier's overall technical solution, energy efficiency indicators, and after-sales service.
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