Process and equipment for treating ammonium containing liquid
US7537698B2 · kind B2 · utility
6Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2006 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | Dec 14, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/903
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The process for treating an ammonium containing liquid by denitrification treatment of an ammonium containing liquid containing at least ammonium comprises carrying out nitrate reduction treatment of reducing nitrate contained in or added to the ammonium containing liquid to nitrite, and carrying out anaerobic ammonium oxidation treatment of simultaneously anaerobically denitrifying nitrite produced in the nitrate reduction treatment and ammonium contained in the ammonium containing liquid by anaerobic ammonium oxidizing bacteria.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.