Nitrogen Gas Membrane Generator

Membrane System VS PSA System

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Product Details

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Membrane System  VS  PSA System

Items

Membrane System

PSA System

Moving Parts

No

Frequently change over of the values

Maintenance

No maintenance

Regular maintenance required

Receivers required

No

Surge air receiver and nitrogen mixing vessel required

Control

Simple

Complicated

Aging

3% per year

17% per year

Inlet temperature

Max. 50℃

Between 35℃ and 40℃

Chiller required

No

Chiller required above 40℃ inlet temperature

Pressure drop

0.5 Bar

2.0 Bar

Compressor power

100%

More than 100 to compensate pressure drop

Compressor capacity

100%

120% to fulfill peak demand during filling/switch over of PSA towers

Footprint

100%

250%

Cost

100%

200% considering maintenance

Start-up time

Short

Difficult and long start-up time

Purity achievement

Immediately

One week before achieving purity

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