Does the residence time for the adsorption process need to be long? !
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Or is adsorption an instantaneous process, with little effect of time? ! Could some expert give me some advice? ! Thank you! !
This is related to the adsorbent you use; the adsorption space velocity is also affected by the reaction conditions； The catalyst can be used as a reference
When it comes to adsorption, talking about space velocity is not very accurate. Catalysts are involved in chemical reactions, and such reactions have a rate; they require time. Adsorption, on the other hand, is mostly physical in nature, so it takes much less time.
Adsorption can be regarded as a relatively simple case of catalysis; it also includes diffusion (inward and outward), adsorption； Also, I’m not sure what you mean by adsorption For adsorption desulfurization, we should consider the adsorption space velocity.
Adsorption is simply that process of adsorption; activated carbon, molecular sieves, and similar materials are commonly used for this purpose. It seems that adsorption requires a certain amount of time – generally, it isn’t too long, right? !
Specific cases are analyzed on a case-by-case basis, and this information is usually provided by the suppliers of adsorbents.
Or you can try doing the experiment yourself.
You’re overthinking it; how many adsorbent manufacturers in China have this kind of data? !
In that case, you can refer to past experience.
I work in environmental protection now, and in the past, this field was often full of shortcuts; many of the experiences from back then aren’t useful as a reference. . . .