Stability and inhibition of anaerobic processes caused by insufficiency or excess of ammonia nitrogen

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22320%2F12%3A43892033" target="_blank" >RIV/60461373:22320/12:43892033 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1007/s00253-011-3625-4" target="_blank" >http://dx.doi.org/10.1007/s00253-011-3625-4</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s00253-011-3625-4" target="_blank" >10.1007/s00253-011-3625-4</a>

Result language

angličtina

Original language name

Stability and inhibition of anaerobic processes caused by insufficiency or excess of ammonia nitrogen

Original language description

Ammonia increases buffer capacity of methanogenic medium in mesophilic anaerobic reactor thus increasing the stability of anaerobic digestion process. Optimal ammonia concentration ensures sufficient buffer capacity while not inhibiting the process. It was found out in this paper that this optimum depends on the quality of anaerobic sludge under investigation. The optimal concentrations for methanogens were 2.1, 2.6 and 3.1 g/L of ammonia nitrogen in dependence on inoculum origin. High ammonia nitrogenconcentration (4.0 g/L) inhibited methane production, while low ammonia nitrogen concentration (0.5 g/L) caused low methane yield, loss of biomass (as VSS) and loss of the aceticlastic methanogenic activity. It was found out that negative effect of low ammonia nitrogen concentration on biomass is caused not only by low buffer capacity but also by insufficiency of nitrogen as nutrient. It was also found out that anaerobic sludge with higher ammonia nitrogen concentration (4.2 g/L) tolerat

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

DJ - Pollution and water control

OECD FORD branch

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Project

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Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Publication year

2012

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Applied Microbiology and Biotechnology

ISSN

0175-7598

e-ISSN

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Volume of the periodical

93

Issue of the periodical within the volume

1

Country of publishing house

DE - GERMANY

Number of pages

9

Pages from-to

439-447

UT code for WoS article

000298853600039

EID of the result in the Scopus database

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