Question

1. Explain the difference between absorption and adsorption in your own words.  Describe a situation where a piece of PPE using adsorption would be preferred over absorption.

Answer 1

Solution :

Absorption is the process in which a fluid is dissolved by a liquid or a solid (absorbent). Adsorption is the process in which atoms, ions or molecules from a substance (it could be gas, liquid or dissolved solid) adhere to a surface of the adsorbent. Adsorption is a surface-based process where a film of adsorbate is created on the surface while absorption involves the entire volume of the absorbing substance.

In personal protective equipment the adsorption of chemical on the surface is required over absorption as otherwise it can create serious risk to health.

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