Hi! Can anyone suggest a systematic way to prepare activated carbon from raw materials? I've read journals which chemically impregnated their samples first before carbonisation through a furnace, and vice versa. Will conducting either experiment produce the same type of AC? Thank you very much!
Carbonization and activation.
I request you to refer my publications.
Dear Magoling
If you want prepare AC materials, then 1st carbonized it, than activated by using base (KOH or NaOH) or acid (HNO3, H2SO4).
You can either carbonise and next activate (i.e. 2-steps), or carbonise the raw material first impregnated with an activated agent (1-step). Both can be used but obviously lead to different porous structures. The corresponding processes and results have been extensively discussed in the literature, including in my RG profile.
Alain
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