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SEWAGE TREATMENT

  • US 20090250394A1
  • Filed: 11/17/2006
  • Published: 10/08/2009
  • Est. Priority Date: 11/17/2005
  • Status: Active Grant
First Claim
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1. A membrane comprising:

  • a support membrane having a liquid face and a gas face;

    a gas face biolayer at a location selected from on the gas face, in the support membrane s near the gas face, and both on the gas face and in the support membrane; and

    a liquid face biolayer at a location selected from on the liquid face, in the support membrane near the liquid face, and both on the liquid face and in the support membrane.

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