Patent · US Active

Separation method

US9085470B2 · kind B2 · utility

3Cited by

2References

10Claims

0Family size

Assignee

BDI-BIOENERGY INTERNATIONAL AG · AT

Inventors

Roland Kirchmayr · Graz, AT
Michael Harasek · Wien, AT
Christian Maier · Kettenham, DE
Reinhold Waltenberger · Linz, AT

Key dates

Filing date	Feb 25, 2011
Grant date	Jul 21, 2015
Priority date	—
Expiry date	May 17, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E50/30
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

The invention relates to a method for removing ammonia or reducing ammonium from biogas plant fermentation liquids or biogas plant fermentation residues, wherein ammonia or ammonium is reduced by way of flash evaporation, separated from the biogas plant fermentation liquids or biogas plant fermentation residues, and removed as ammonia. The invention further relates to a device for performing said method.

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