Patent · US Active

Combined nutrient recovery and biogas scrubbing system integrated in series with animal manure anaerobic digester

US7909995B2 · kind B2 · utility

15Cited by

3References

3Claims

0Family size

Assignee

Washington State University Research Foundation · US

Inventors

Anping Jiang · Pullman, US
Tianxi Zhang · Fort Collins, US
Craig Frear · Pullman, US
Shulin Chen · Pullman, US

Key dates

Filing date	Jun 3, 2008
Grant date	Mar 22, 2011
Priority date	—
Expiry date	Jan 13, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S210/903
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An economical, integrated system works in series with anaerobic digestion of animal waste to recover nitrogen and phosphorous, while also scrubbing the produced biogas.

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