Activated Alumina AA-201
Smooth-sphere activated alumina for compressed-air and gas drying, HF removal, and defluoridation of drinking water — mechanically robust at high velocity.
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Gas Treatment & Drying
PSA Nitrogen Generation
Generating high-purity nitrogen on site from compressed air using carbon molecular sieve in a pressure-swing adsorption cycle — for blanketing, purging, and inerting.
Quick Answer
PSA nitrogen generation separates nitrogen from compressed air using carbon molecular sieve, which preferentially adsorbs oxygen under pressure. Twin adsorbers cycle continuously to deliver on-site nitrogen at 95 %–99.999 % purity, removing dependence on delivered liquid or cylinder gas.
Process Challenge
Sites needing continuous nitrogen for blanketing, purging, or inerting face high recurring costs and logistics risk from delivered gas. On-site generation converts a variable opex into a predictable, self-sufficient supply.
How PSA Nitrogen Works
Compressed air passes through carbon molecular sieve under pressure; oxygen and moisture are adsorbed faster than nitrogen, so nitrogen passes through. The bed is regenerated by depressurisation while a second bed produces — giving continuous flow.
Where It Is Used
Tank blanketing, pipeline and vessel purging, food and beverage packaging, laser cutting, and heat-treatment atmospheres.
FAQ
Is on-site generation cheaper than delivered N₂?
For continuous or high-volume demand, generated nitrogen is typically a fraction of the cost of delivered liquid or cylinders, with payback often under two years.
Selection Guidance
Define required purity and peak flow. Lower purity gives higher recovery and a smaller CMS charge; ultra-high purity needs more CMS or a deoxo polishing step. Clean, dry, oil-free feed air is essential to CMS life.
Recommended Products & Systems
Adsorbents & Media
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Molecular Sieve 3A
Potassium-form zeolite with a 3 Å effective pore — the standard desiccant for natural gas and ethanol dehydration where hydrocarbon co-adsorption must…
ViewEngineered Systems
PSA Nitrogen Generation Package
On-site pressure-swing adsorption nitrogen generator using carbon molecular sieve — purities from 95 % to 99.999 % for blanketing, purging, and inerting.
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Twin-Tower TSA Gas Dehydration Unit
Continuous-duty temperature-swing adsorption dehydration package for natural gas, engineered by PuraSpecs to ASME VIII / PED with integrated regeneration heater and cooler.
ViewIndustries Using This Application
Industrial Gas & Air Separation
Molecular sieves and carbon molecular sieve plus PSA/TSA systems for nitrogen and oxygen generation and cryogenic air-separation pre-purification.
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