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Bicarbonate buffer equilibrium and diffusion

Posted Apr 13, 2020, 9:47 a.m. EDT Chemical, Chemical Reaction Engineering Version 5.4 1 Reply

Ahmed Jarboui
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Hello,

Does anyone know how to couple equilibrium reaction (for bicarbonate buffer) and transport of diluted species ? I was able to build both physics separetly bu I can't see any coupling between them.

1 Reply Last Post Apr 24, 2020, 8:56 a.m. EDT
Lasse Murtomäki
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Posted: 5 years ago Apr 24, 2020, 8:56 a.m. EDT

I have done it via kinetics. i.e. put a high (arbitrary) value for the dissociation rate constant and use the equilibrium constant to calculate the othe, i.e.

K_eq = k_diss/k_bind

I have noticed that using the equilibrium reaction, it never converges.

Lasse

I have done it via kinetics. i.e. put a high (arbitrary) value for the dissociation rate constant and use the equilibrium constant to calculate the othe, i.e. K_eq = k_diss/k_bind I have noticed that using the equilibrium reaction, it never converges. Lasse

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