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VÍTĚZ, T. -- NOVÁK, D. -- LOCHMAN, J. -- VÍTĚZOVÁ, M. Methanogens Diversity during Anaerobic Sewage Sludge Stabilization and the Effect of Temperature. Processes. 2020. v. 8, no. 7, ISSN 2227-9717.

Original name:
Methanogens Diversity during Anaerobic Sewage Sludge Stabilization and the Effect of Temperature
Czech name:
Written by (author): doc. Ing. Tomáš Vítěz, Ph.D.
David Novák
Jan Lochman
Monika Vítězová
Department:
Department of Agricultural, Food and Environmental Engineering
Kind of publication:
article in a professional periodical
Periodical:
Processes
Nature of article:
paper
Volume no. (year):
8
Periodical number within the volume: 7
Year of publication: 2020
Starting page:
Up to page:
Number of pages: 12
Sub-specification:
článek je obsažen v databázi Web of Science
UT code by Web of Science:
EID code by Scopus:
Form of publication:
printed version
Original language:
English
Description in original language: Anaerobic sludge stabilization is a commonly used technology. Most fermenters are operated at a mesophilic temperature regime. Modern trends in waste management aim to minimize waste generation. One of the strategies can be achieved by anaerobically stabilizing the sludge by raising the temperature. Higher temperatures will allow faster decomposition of organic matter, shortening the retention time, and increasing biogas production. This work is focused on the description of changes in the community of methanogenic microorganisms at different temperatures during the sludge stabilization. At higher temperatures, biogas contained a higher percentage of methane, however, there was an undesirable accumulation of ammonia in the fermenter. Representatives of the hydrogenotrophic genus Methanoliea were described at all temperatures tested. At temperatures up to 50 oC, a significant proportion of methanogens were also formed by acetoclastic representatives of Methanosaeta sp. and acetoclastic representatives of the order Methanosarcinales. The composition of methanogens in the fermenter significantly changed at 60 oC when typically thermophilic species, like Methanothermobacter marburgensis, appeared. A decrease in the diversity of methanogens was observed, and typical hydrogenotrophic methanogenic archaea isolated from fermenters of biogas plants and anaerobic wastewater treatment plants represented by genus Methanoculleus were no longer present.
Description in English:
Description in Czech:
Year of submission:
2020
Year of transmission:
RIV identification number:
 
Entry made by:
Mgr. Kamila Zoufalá
Last change:
07/13/2020 07:48 (Mgr. Kamila Zoufalá)

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Source specification:

Processes. Basel: ISSN 2227-9717.

Original name:
Processes
Czech name:
Written by (author):
Kind of publication: magazine
ISSN:
2227-9717
Country of publisher:
Swiss Confederation
Place of publishing:
Basel
Publisher:
MDPI AG (Multidisciplinary Digital Publishing Institute-MDPI)
URL:
https://www.mdpi.com/journal/processes
Reviewed magazine:
no
Original language:
English
Description in original language:
Description in English:
Description in Czech:
 
Entry made by:
Last change:
05/20/2020 13:09 (Šárka Novotná)

Evaluation of publication:

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