Contacting and adsorbent granules

Contacting and adsorbent granules

  • CN 1,466,548 B
  • Filed: 09/21/2001
  • Issued: 01/02/2013
  • Est. Priority Date: 09/26/2000
  • Status: Active Grant
First Claim
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1. device that medium can flow through, it is characterized in that, they comprise that particle diameter is block of fine Alpha-hydroxy ferric oxide nano crystal grain of 0.2-20 millimeter, and described fine Alpha-hydroxy ferric oxide nano crystal grain prepares in excessive sodium hydrate solution and has 50-500 rice 2The BET specific surface area of/gram.

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