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Process for preparing high surface area carbon

  • US 20050221981A1
  • Filed: 03/31/2004
  • Published: 10/06/2005
  • Est. Priority Date: 03/31/2004
  • Status: Active Grant
First Claim
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1. A process for the preparation of high surface area activated carbon from coconut shell, which comprises cleaning the coconut shells, drying the cleaned coconut shells, crushing the dried coconut shells, sieving the crushed coconut shell through 100-400 mesh to obtain uniform sized coconut shell powder, treating the shell powder with an activating agent, drying the treated coconut shell powder, carbonizing the powder in an inert atmosphere, cooling the activated carbon to the room temperature, removing the excess of activating agent by treating, washing with water bring the powder to neutral pH and drying the activated carbon to obtain the activated carbon.

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