METHODS AND APPARATUS FOR STRUVITE RECOVERY USING UPSTREAM CO2 INJECTION

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United States of America Patent

APP PUB NO 20120261334A1
SERIAL NO

13397616

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Abstract

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Formation of scale in a wastewater treatment system upstream of a struvite precipitation reactor is inhibited by injection of CO2. The injection may be performed at multiple locations. Injection may be controlled based on one or more of pH, fluid flow and fluid pressure. Injected CO2 may be stripped at the precipitation reactor to enhance struvite production. Scale may be inhibited while maintaining production of precipitated struvite.

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Patent Owner(s)

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CLEAN WATER INSTITUTE16580 SW 85TH AVENUE TIGARD OR 97224

International Classification(s)

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  • 2012 Application Filing Year
  • C02F Class
  • 1006 Applications Filed
  • 859 Patents Issued To-Date
  • 85.39 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20122013201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baur, Robert James Lake Oswego, US 5 57

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  • 7 Citation Count
  • C02F Class
  • 6.85 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges3531594371991101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6071 - 80020406080100120140160180200220240260280300320340

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