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Seeking help with calculations related to molecular sieves

2009-08-25View Original

Thread Content

I would like to ask a calculation question: how does the flow rate of the feed gas change after passing through the molecular sieve? Is there some formula for calculating it? Thank you!
Reply #22009-08-26
Um... did I ask something too abstract? Urgently need expert advice!
Reply #32009-08-26
The mass flow rate after passing through the molecular sieve = the mass flow rate of the medium before adsorption – the amount adsorbed by the molecular sieve
Reply #42011-12-08
I’m not quite sure what the original poster is trying to ask. Literally speaking, it’s as the person above said: mass flow rate refers to the mass flow rate of the medium before adsorption minus the amount absorbed by the molecular sieve; this change in value should be very small
Reply #52011-12-16
1. Amount of molecular sieve used = Required flow rate / Molecular sieve production rate, in m3/h.t.
2. Volume of molecular sieve = Amount of molecular sieve used / Packing density of molecular sieve.
3. Volume of molecular sieve = π × radius squared / 4.
4. Theoretical effective gas consumption = Molecular sieve production rate * Required oxygen concentration * 21% / Oxygen recovery rate.
5. Actual amount = Theoretical amount * 1.2. I’m not sure if this is correct,,,

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