Eventually the activated charcoal is filled up with added on carbon atoms and at that point the activated charcoal filter has to be replaced.
Diy activated carbon air purifier.
But if you want a diy water filter you can buy the activated charcoal and diy everything else.
There are different types of charcoals out there to achieve the best results for making an air cleaner you are best to use the aquarium filter charcoal which is inexpensive and the most effective.
Adsorb means that odorous carbon based material sticks to the activated charcoal in all of those tiny spaces between the carbon atoms.
This is the most happening part of the whole process.
While regular charcoal may still work it is difficult to know the types of elements used to make it.
And probably not safely considering the temperatures involved.
Usually 1050 australian virgin charcoal is treated as the most effective activated carbon for growing diy carbon filter air purifier.
Activated charcoal is the best for absorbing odors.
Activated charcoals with the uncountable pores draws the smelly chemicals in and supplies smell and dust free air on the other side.
For example natural charcoal briquettes mixed with binders and wood tar will prevent it from absorbing odors.
You may wish to use charcoal briquettes or carbon filters and create diy air purifying bags to use around the home but an air purifying bag made with activated bamboo charcoal like the moso bag will be most effective.
You need to plan your filter to allow proper time for the ac to adsorb the contaminants the water has to be in contact with the carbon filter for longer than a second.