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Question: Why isn’t osmosis used as a separation technique? Or, the answers to the exercises at the end of the book translated by Zhu Kaihong regarding the principles of separation processes
Isn’t that what permeation is in membrane separation?
No, this is a question from a book. Reverse osmosis, ultrafiltration, and microfiltration all have industrial applications. I think I got it; is that correct? Osmosis involves the solvent moving towards a system that contains solutes, which doesn’t meet the requirements.
Osmosis is a process of entropy increase; it is a spontaneous mixing and diffusion process that leads to an increase in disorder, and cannot be used for separation. Reverse osmosis, on the other hand, is the separation process, a process of entropy reduction. The original poster had better study chemical thermodynamics properly.
Thank you for your guidance; I understood it as soon as you explained it. I’m not very good at thermodynamics