Clients: District Hospital Kookernag
Location Anantnag, Jammu
Date: 27/08/2021
Status: Ongoing

Process of implementation

Pressure Swing Adsorption (PSA) Medical Oxygen Generation Plants will be set up in public health facilities across the country.

The issue has become a controversial one as states and the Centre are locked in a blame game over whose responsibility it was to set up these plants. The debate has taken centre-stage given the alarming rise in Covid-19 cases in the country that has led to a severe shortage of medical oxygen.

Such has been the demand that hospitals have been putting out SOS calls for more oxygen, appealing to courts to intervene, while there have also been multiple incidents of supply disruption leading to hospital patients dying while under medical care.

Overcoming challenges

Pressure swing adsorption (PSA) is a cyclic adsorption process for gas separation and purification.

Pressure swing adsorption (PSA) is the process by which ambient air passes through an internal filtration system (e.g. a molecular sieve [zeolite granules or membranes]), which has a large enough total surface area to separate nitrogen (N2) from the air, concentrating the remaining oxygen (O2) to a known purity. It typically consists of an air compressor, dryer, filters, dual separation chambers, a reservoir, and controls. PSA oxygen generator plant is a unit designed to concentrate oxygen from ambient air at scale, with output capacity varying according to calculated oxygen demand, typically ranging from 2 Nm3 /hr to 200 Nm3 /hr. For distribution of oxygen produced from PSA plants, oxygen can either be piped directly from the oxygen tank to wards, or further compressed to fill cylinders via a supplemental booster compressor and a cylinder filling ramp/manifold.

All medical PSA oxygen generator plants are sources of oxygen that can produce medical-grade oxygen, at scale, 24 hours a day, 7 days a week PSA processes can be categorized into single-bed processes and multibed processes based on the number of adsorbers.

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