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Company products

Membrane oxygen plants

GRASYS manufactures high-performance systems for air-to-oxygen production on the basis of the membrane technology. Membrane oxygen plants allow oxygen generation with the purity of up to 50%, making their application highly effective from the economic perspective. Customer receives oxygenated air with the required oxygen concentration (30% to 50%), without having to pay for unnecessary high purity.

The operating principle of membrane oxygen plants replicates the nitrogen membrane systems mechanism based on different nitrogen and oxygen rates of permeability through membrane material. The principle difference is that unlike nitrogen oxygen serves as the target product delivered under small excess pressure.

50% oxygen generated by air separation membrane plants may be used in various industries to cover a broad scope of applications. For instance, this purity oxygen is used in technological processes at metallurgy enterprises, by metal cutting and welding. Companies involved with fish, shrimp, crab, and mussel farming use membrane oxygen plants for incubation purposes.

Summary Specification

Parameter	Value
Oxygen parameters at the plant output
–Purity, %	23–45
–Capacity, nm³/hr*	3–5000
–Pressure, g. atm.	0.03–1
–Dew point, °С	−60…−70
Ambient temperature
–during operation, °С	+5…+40
–during storage, °С	−20…+50
Warm-up period, max., min	10
Membrane modules useful life (capacity reduction by 10%), thousand hours	130–180