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System and method for biological wastewater treatment and for using the byproduct thereof

  • US 7,981,292 B2
  • Filed: 06/15/2010
  • Issued: 07/19/2011
  • Est. Priority Date: 09/18/2006
  • Status: Active Grant
First Claim
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1. A process for wastewater treatment comprising:

  • biologically treating wastewater in a first treatment facility using algae to produce a substantially clean effluent and a byproduct of biosolids;

    using photosynthesis and nutrients from the wastewater in the first treatment facility to produce algae growth and thereby increase the biosolids produced by the facility;

    extracting the biosolids including algae from the first treatment facility;

    providing the biosolids to a separate facility for processing the biosolids and producing waste CO2; and

    providing the waste CO2 to the first treatment facility to support the algae growth.

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