How is the machine actually concentrating the oxygen any more than is in the air that is in the room

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Question ID: 9894
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Posted by doc
Asked on May 13, 2017 8:42 pm
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An oxy­gen con­cen­tra­tor (or “air sep­a­ra­tor” as we call it) pulls in room air, com­press­es it and then removes the nitro­gen by means of fil­ters and sieve beds. What remains is the near­ly pure oxy­gen which is then trans­ferred to and stored in the reser­voir. Our planet’s atmos­phere com­pris­es about 21% oxy­gen and 78% nitro­gen, so a great deal of room air must pass through the con­cen­tra­tor to extract a suf­fi­cient amount of oxy­gen to fill the reser­voir. At a rate of 5 liters per min­ute, it takes about two hours to fill the reser­voir, and about half time at 10 liters per min­ute.

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Posted by Chris (Questions: 88, Answers: 89)
Answered on May 15, 2017 8:55 pm
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