This is the process of filling oxygen in the cylinder in covid-19



This is the process of filling oxygen in the cylinder in covid-19

As the epidemic of Kovid grows, so does the demand for oxygen. Corona causes a lack of oxygen in the body, making it difficult to breathe.

Patients are forced to squat due to lack of oxygen. The deficiency in the body is treated by filling it with artificial oxygen. 

As the rate of patients increases, so does the rate of production and transportation of commercial oxygen. Many countries around the world are still developing and managing oxygen plants. 

While one cylinder is scrambling for oxygen, many are curious about how the cylinder fills with oxygen and how it is produced. 

Most commercial oxygen is produced using a ‘cryptogenic distillation’ process. This process started in 1895. 

This process produces 99 percent pure oxygen. Similarly, the vacuum swing adsorption process is becoming more and more popular as it consumes less energy. This process produces 90-93 percent pure oxygen.

However, since the cryptogenic distillation process has been used for a long time, many countries still prefer this process. 

The following procedure is used in the oxygen filling process. 

This is the process of filling oxygen in the cylinder in covid-19


1. Pretreating    

In the process of cryptogenic distillation, oxygen is extracted and placed in a very cold cryptogenic section to release air and any unwanted material.

It helps solidify water vapor, carbon dioxide and other heavy hydrocarbons. Impurities in the process are removed as soon as they form. 

A. The impure removed pure air is compressed at a pressure of 6.5 atm which is then sent through a cooling pipe for condensation. 

B. The air is then sent through a molecular sieve adductor. Adhesives contain zeolite and silica gel adhesives that absorb any residual water vapor, carbon dioxide and other heavy hydrocarbons.

C. After doing so, the adjuvant is flushed and all impurities are removed. 

2. The process of separation 

Air is released through the process of dissolving oxygen, nitrogen and argon. The following procedure is used for this. For this, the gas must be liquefied at a very low temperature. 

A. The already treated air is pumped into the compressor where the pressure rises. Here the air cools and expands to atmospheric pressure which makes the air even colder. 

B. The air is then sent to a joint plate fin heat exchanger. It carries cold oxygen and nitrogen. Oxygen and nitrogen are then reheated. Finally, by lowering the air temperature, oxygen with the highest boiling point is liquefied. 

C. The air stream that comes after completing this process tends to be liquid and gas. The oxygen is then re-liquefied by inserting it into the high frequency pen. Oxygen, nitrogen and argon are blown away. 

D. Liquid oxygen is extracted from the bottom of the fractional pen. It provides 99.5 percent pure oxygen.


 The process so far provides 99.5 percent pure oxygen. To make the oxygen 99.8 percent pure, some of the argon must be removed again. 

For this, the high frequency pen is inserted again. Catalysts can also be used to remove the hydrocarbons in it. 

4. Distribution 

About 80 to 90 percent of the oxygen is delivered through a pipeline from a nearby power plant. 

Due to the long process of making oxygen, it is becoming difficult to get oxygen everywhere. 

Due to the same problem in Nepal, it is very important to set up more power plants. 

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