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- Title
Anaerobic ammonium oxidation with an anode as the electron acceptor.
- Authors
Qu, Bo; Fan, Bin; Zhu, Shikun; Zheng, Yali
- Abstract
Anaerobic ammonium oxidation with an anode as the electron acceptor was realized in a dual-chamber microbial electrolysis cell ( MEC). Nitrate was the main product that accounted for approximately 95% of ammonium consumed, but nitrite was also detectable. Using 16 S ribosomal RNA analysis, we found that the microbial community attached to the electrode was dominated by N itrosomonas europaea (40.3%) and the genus E mpedobacter (34.7%), but no anammox bacteria were detected. N itrosomonas europaea was shown to be necessary with an inhibition assay using allylthiourea. Certain soluble metabolites were found to have an important effect on the current production. These results show that there are many ways to oxidize ammonium biologically.
- Subjects
ANAEROBIC bacteria; NITROGEN cycle; ELECTROPHILES; ANODES; NITRATES; RIBOSOMES; RNA analysis; NITROSOMONAS europaea
- Publication
Environmental Microbiology Reports, 2014, Vol 6, Issue 1, p100
- ISSN
1758-2229
- Publication type
Article
- DOI
10.1111/1758-2229.12113