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Background information Activated coal is a form of carbon that has many applications including purification of nickel, water, air and even has some uses in
Background information
Activated coal is a form of carbon that has many applications including purification of nickel, water, air
and even has some uses in medicine; while being used in many industries its core function mainly stays
the same which is purification due adsorption; it has affinity for ions and many gases, solids and liquids.
For example, carbonsulfur compound can be used to attract mercury which is poisonous another
example is being used in chemicals to stick to impurities for easier removal.
Please note that absorption and adsorption are not the same, absorption is simply absorbing materials
into the body which adds to its volume while in adsorption the adsorbent will not penetrate the body
but sticks to its outer surface only. Which gives the importance of the surface area of the adsorbent for
instance no matter how large or bulky is the volume of the coal; impurities can only stick to the outer
area available which is the surface area. Which leads to the activation. When coal is activated it
becomes activated coal which is different in structure by having many pores compared with the normal
coal which is not porous which ultimately leads to increased surface area. Read the text then answer:
What are the differences between absorption and adsorption, coal is known for which one? The coal is connected with which cycle of matter?
What does activation do to the coal?
What is one of the activated coals uses?
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