How to use oxygen? What are the safety precautions? Centre releases guidelines

Started by devikad, May 06, 2021, 10:04 PM

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How to use oxygen? What are the safety precautions? Centre releases guidelines

As the Centre is ramping up the supply of oxygen to states and all hospitals, the Centre on Thursday released a guideline of the use of liquid medical oxygen. "Oxygen is crucial for the treatment of patients with severe Covid-19 since the disease affects lung functioning. Shortness of breath or difficulty of breathing is one of the most common symptoms in patients with severe Covid-19. It also hampers the supply of oxygen to various parts of the body. They hence need oxygen therapy, to be supplied through medical oxygen," it said.

Liquification enables the storage of oxygen in a larger volume and easier transportation, the Centre said, detailing how it is produced, stored and what precautions should be taken for storage.

How is liquid medical oxygen produced?

There are several methods. The most common production method is the separation of oxygen in what are known as Air Separation Units or ASUs. ASUs are basically plants that separate large volumes of gases. They use a method called Fractional Distillation Method to produce pure oxygen from atmospheric air, which consists mostly of nitrogen and oxygen - 78% nitrogen, 21% oxygen and the remaining 1% other gases including argon, carbon dioxide, neon, helium, and hydrogen.

In this method, gases from the air are separated into various components after cooling them into a liquid state and then liquid oxygen is extracted from it.


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