High Purity Oxygen Generator

A high purity oxygen generator refers to a specialized system designed to extract oxygen from the surrounding ambient air, with its oxygen purity typically ranging from more than 99.5% up to an ultra-high level of 99.999%. To achieve this precise and efficient oxygen extraction, it mainly relies on advanced technologies such as Pressure Swing Adsorption (PSA)—a process that utilizes adsorbents to selectively separate oxygen molecules from other components in the air (like nitrogen, carbon dioxide, etc.) by adjusting pressure, ensuring the production of high-purity oxygen.

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Description

Technical Parameters

How it Works?

High purity oxygen generators mainly rely on the PSA (Pressure Swing Adsorption) process, with the following key steps:

●Air Intake:

Ambient air (~78% nitrogen, 21% oxygen, plus other gases) is drawn into the generator.

●Molecular Sieving:
Under pressure, the air passes through a molecular sieve bed-nitrogen is selectively adsorbed, while oxygen flows through.

●Pressure Change:

Pressure is reduced to release adsorbed nitrogen, which is then expelled from the system.

●Oxygen Production:
Ultra High Purity (UHP) models use a double-stage cycle to remove residual nitrogen, argon, and trace pollutants, ensuring stable high-concentration oxygen output.

high purity oxygen generator

●Cost-Effective: Cuts ongoing costs tied to oxygen cylinders or liquid oxygen-no need to pay for regular transportation, storage fees, or cylinder replacement, lowering long-term operational expenses.

●Self-Sustaining: Enables on-site continuous oxygen supply, reducing reliance on external suppliers and avoiding disruptions from delayed deliveries or supply shortages.

●Efficiency: Delivers stable, reliable oxygen tailored to specific purity needs (e.g., 99.5% for medical use, 99.999% for semiconductors), directly matching operational demands and boosting overall efficiency.

●Safety: Eliminates risks from handling and storing pressurized oxygen cylinders, such as leakage, collision hazards, or storage space safety issues, enhancing on-site safety.

NTK93 Series PSA Oxygen Plant Model Selection
No.	Models	Capacity (Nm3/hr)	Purity	Power consumption of 1Nm3 oxygen produced (kw/h)	Number of bottles filled in 12 hours (pcs)	Operator needed
1	NTK-5P	5	93%+-3%	3.54	10	2
2	NTK-10P	10	93%+-3%	2.52	20	2
3	NTK-15P	15	93%+-3%	2.31	30	2
4	NTK-20P	20	93%+-3%	2.13	40	2
5	NTK-25P	25	93%+-3%	2.01	50	2
6	NTK-30P	30	93%+-3%	2.09	60	2
7	NTK-40P	40	93%+-3%	1.81	80	2
8	NTK-50P	50	93%+-3%	1.94	100	2
9	NTK-60P	60	93%+-3%	1.62	120	2
10	NTK-80P	80	93%+-3%	1.92	160	2
11	NTK-100P	100	93%+-3%	1.83	200	2
Design basis: Altitude：≤500m;RH：≤80%;Temperature：0℃-38℃;Filling pressure: 150Bar 40L Type Standard Cylinder

FAQ

Q: Can the high purity oxygen generator stably reach the oxygen purity I need, such as 99.999% for semiconductor manufacturing?

A: Yes. It adopts PSA technology , which can precisely control the separation process. For scenarios requiring 99.5% (medical) to 99.999% purity, it can maintain stable output without large fluctuations, meeting professional industry standards.

Q: Compared with buying oxygen cylinders for a long time, how much cost can this generator save generally?

A: It can save 30%-50% of long-term costs. It eliminates recurring expenses like cylinder purchase/replacement, transportation fees, and storage site rental. After covering the initial equipment cost, subsequent costs are mainly for electricity and simple maintenance, which are much lower than continuous cylinder purchases.

Q: My factory has variable oxygen demand. Can this generator adapt to such changes?

A: Absolutely. Most models are equipped with intelligent adjustment functions-they can automatically adjust air intake, pressure, and sieve operation according to real-time oxygen consumption. Whether demand increases during production peaks or decreases in off-peak hours, it can match the output in time to avoid waste or shortage.

Q: Do we need professional technicians to maintain the high purity oxygen generator, and how frequent is the maintenance?

A: No professional technicians are required for daily maintenance. Routine checks are simple and can be done by on-site staff after short training. Major maintenance is only needed every 3-5 years, and manufacturers usually provide guidance or door-to-door service.

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