I am working on carbon canister and I need to determine its size based upon the load conditions
In principle, you need to obtain adsorption isotherms for a molecule of known size. From this, you can determine the effective adsorption area of your carbon. As stated by Federico Svarc, the usual technique is BET isotherms (usually with nitrogen as adsorbate). If you don't have this, you will need to find a suitable molecule. There are several examples on how to do this in the scientific literature.
Hi,
I do recommend the useful answers of other friends. As mentioned, BET test is used to calculate an adsorbent surface area. Isotherm experiments should be employed for determination of adsorption capacity of the adsorbent for a specific adsorbate. when these experiments were done (you can go through the articles to get details on how isotherm experiments are conducted and how isotherm graghs are prepared), langmuir isotherm model can also give you a predict of adsorption capacity with its coefficient (qm).
good luck.
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