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How to Regenerate Activated Charcoal

Updated July 20, 2017

Activated charcoal is carbon in extremely porous form. It is usually derived from charcoal. It has a large surface area and is used for chemical reactions as a catalyst. It is also used in fish tanks as a filter or to filter distilled alcohol. Activated charcoal is an expensive product. It is cheaper to regenerate the charcoal than buying new activated charcoal.

Soak the activated charcoal in a solution of 9 to 10 per cent hydrogen peroxide. Handle the solution by wearing gloves as it can cause burns. You can also use distilled deionised water instead of the hydrogen peroxide solution.

Stir the mixture every 15 minutes.

When the solution has been absorbed, add more solution to the container. Repeat this many times.

Bake the charcoal in an oven at 107 degrees Celsius for an hour or two.

Things You'll Need

  • 9 to 10 per cent hydrogen peroxide solution
  • Distilled, deionised water
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