The MS model of Nitrogen Plant operating on PSA technology, consists of twin tower system filled with special grade of carbon molecular sieves (C.M.S.) at a time, one tower keeps in production cycle and other in regeneration cycle.

It is used to produce nitrogen of a purity in range from 95% to 99% purity. However, if carbon molecular sieves quantity is increased, even 99.999% purity nitrogen can be produced from this model. But running cost would be higher in case of higher purity. Thus, this model is recommended for purity up to 99.9% only. This model is generally used to purging or Inertizing applications.

When compressed air passed through C.M.S. bed, the molecules of oxygen, moisture other unwanted gases are adsorbed on surface of C.M.S. and the nitrogen which is not adsorbed by C.M.S comes out of adsorption tower and is collected in a surge vessel.

For continuous generation of nitrogen, two adsorption towers are provided which are interconnected with auto change over valves controlled by a sequence programmer. When one tower saturates with oxygen the process automatically changes over to another tower and thus the nitrogen production is continuous. This model is the simplest to produce nitrogen of a purity in range from 95% to 99% purity.

However, if carbon molecular sieves quantity is increased, even 99.999% purity nitrogen can be produced from this model. But running cost would be higher in case of higher purity. Thus, this model is recommended for purity up to 99.99% only. This model is generally used to purging or Inserting applications.
Available Types

1. MS-L
2. MS-H

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