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Statements

Subject Item
n2:RIV%2F60461373%3A22320%2F14%3A43897935%21RIV15-TA0-22320___
rdf:type
n12:Vysledek skos:Concept
dcterms:description
Biogas, digested sludge and sludge liquor are the main products of anaerobic sludge digestion. Each of the products is influenced significantly by specific conditions of the digestion process. Therefore, any upgrade of the digestion technology must be considered with regard to quality changes in all products. Microaeration is one of the methods used for the improvement of biogas quality. Recently, microaeration has been proved to be a relatively simple and highly efficient biological method of sulfide removal in the anaerobic digestion of biosolids, but little attention has been paid to comparing the quality of digested sludge and sludge liquor in the anaerobic and microaerobic digestion and that is why this paper primarily deals with this area of research. The results of the long-term monitoring of digested sludge quality and sludge liquor quality in the anaerobic and microaerobic digesters suggest that products of both technologies are comparable. However, there are several parameters in which the 'microaerobic' products have a significantly better quality such as: sulfide (68% lower) and soluble chemical oxygen demand (COD) (33% lower) concentrations in the sludge liquor and the lower foaming potential of the digested sludge. Biogas, digested sludge and sludge liquor are the main products of anaerobic sludge digestion. Each of the products is influenced significantly by specific conditions of the digestion process. Therefore, any upgrade of the digestion technology must be considered with regard to quality changes in all products. Microaeration is one of the methods used for the improvement of biogas quality. Recently, microaeration has been proved to be a relatively simple and highly efficient biological method of sulfide removal in the anaerobic digestion of biosolids, but little attention has been paid to comparing the quality of digested sludge and sludge liquor in the anaerobic and microaerobic digestion and that is why this paper primarily deals with this area of research. The results of the long-term monitoring of digested sludge quality and sludge liquor quality in the anaerobic and microaerobic digesters suggest that products of both technologies are comparable. However, there are several parameters in which the 'microaerobic' products have a significantly better quality such as: sulfide (68% lower) and soluble chemical oxygen demand (COD) (33% lower) concentrations in the sludge liquor and the lower foaming potential of the digested sludge.
dcterms:title
Improving products of anaerobic sludge digestion by microaeration Improving products of anaerobic sludge digestion by microaeration
skos:prefLabel
Improving products of anaerobic sludge digestion by microaeration Improving products of anaerobic sludge digestion by microaeration
skos:notation
RIV/60461373:22320/14:43897935!RIV15-TA0-22320___
n3:aktivita
n19:P
n3:aktivity
P(TA03021413)
n3:cisloPeriodika
4
n3:dodaniDat
n8:2015
n3:domaciTvurceVysledku
n11:9753370 Celis Zambrano, Crispin Astolfo n11:2220660 n11:7648197 n11:2755823
n3:druhVysledku
n17:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
21010
n3:idVysledku
RIV/60461373:22320/14:43897935
n3:jazykVysledku
n5:eng
n3:klicovaSlova
sludge quality; sludge liquor; microbial activity; microaerobic conditions; biogas desulfurization; anaerobic digestion
n3:klicoveSlovo
n6:microbial%20activity n6:sludge%20liquor n6:biogas%20desulfurization n6:anaerobic%20digestion n6:microaerobic%20conditions n6:sludge%20quality
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[0BB7210E3FB7]
n3:nazevZdroje
Water Science and Technology
n3:obor
n14:DJ
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n18:TA03021413
n3:rokUplatneniVysledku
n8:2014
n3:svazekPeriodika
69
n3:tvurceVysledku
Jeníček, Pavel Celis Zambrano, Crispin Astolfo Pokorná, Dana Krayzelová, Lucie Anferova, Natalia
n3:wos
000332512200016
s:issn
0273-1223
s:numberOfPages
7
n9:doi
10.2166/wst.2013.779
n13:organizacniJednotka
22320