Patent · US Active

Nutrient recovery systems and methods

US8613894B2 · kind B2 · utility

13Cited by
23References
12Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 10, 2011
Grant dateDec 24, 2013
Priority date
Expiry dateJun 10, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/40
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Methods, systems, and apparatuses for anaerobic digestion of waste fibrous material and the recovery of nutrients are provided. Methods, systems, and apparatuses disclosed herein provide mechanisms to release dissolved gases from anaerobic digester effluent. Methods, systems and apparatuses disclosed herein can recover one or more nutrients from anaerobic digested effluent using a range of temperatures, aeration rates, aeration times, pH ranges, and settling times.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.