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Oil-containing waste water treating material consisting of modified active carbon

  • US 4,320,011 A
  • Filed: 08/07/1980
  • Issued: 03/16/1982
  • Est. Priority Date: 08/13/1979
  • Status: Expired due to Term
First Claim
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1. An oil-containing waste water treating material, comprising:

  • an active carbon upon whose surface is chemically bonded at least one nitrogenous vinyl compound having at least one structure selected from the group consisting of amine structures, and quaternary ammonium structures.

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