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Statements

Subject Item
n2:RIV%2F61989100%3A27730%2F13%3A86088536%21RIV14-MSM-27730___
rdf:type
n7:Vysledek skos:Concept
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0956053X13000512#
dcterms:description
In this study we observed the production of volatile fatty acids (VFAs) during the composting process of compost heaps in two different bioreactors (open and closed) at three different depths (0, 40 and 80 cm). The compost was prepared as a mixture of bio-waste, horse manure, grass and sawdust to ensure sufficient pH conditions in compost heaps. VFA concentrations contents in the composting materials were analysed weekly over 14-119 d. The degradation process was monitored, along with temperature, pH, total organic carbon, oxidizable carbon and mono- and oligosaccharides. VFA contents were evaluated with regard to the depth of the sample site in the compost heap and to conditions in the bioreactors. The maximum VFA occurrence was observed during the first 35 d; acetic and propionic acids in particular were determined to occur in each sample. Considerable variations in their formation and elimination were observed in the two bioreactors as well as at the various depths in the compost heaps. Significant correlations were found between individual VFAs, as well as between VFA concentrations and organic carbon contents. In this study we observed the production of volatile fatty acids (VFAs) during the composting process of compost heaps in two different bioreactors (open and closed) at three different depths (0, 40 and 80 cm). The compost was prepared as a mixture of bio-waste, horse manure, grass and sawdust to ensure sufficient pH conditions in compost heaps. VFA concentrations contents in the composting materials were analysed weekly over 14-119 d. The degradation process was monitored, along with temperature, pH, total organic carbon, oxidizable carbon and mono- and oligosaccharides. VFA contents were evaluated with regard to the depth of the sample site in the compost heap and to conditions in the bioreactors. The maximum VFA occurrence was observed during the first 35 d; acetic and propionic acids in particular were determined to occur in each sample. Considerable variations in their formation and elimination were observed in the two bioreactors as well as at the various depths in the compost heaps. Significant correlations were found between individual VFAs, as well as between VFA concentrations and organic carbon contents.
dcterms:title
Volatile fatty acid evolution in biomass mixture composts prepared in open and closed bioreactors Volatile fatty acid evolution in biomass mixture composts prepared in open and closed bioreactors
skos:prefLabel
Volatile fatty acid evolution in biomass mixture composts prepared in open and closed bioreactors Volatile fatty acid evolution in biomass mixture composts prepared in open and closed bioreactors
skos:notation
RIV/61989100:27730/13:86088536!RIV14-MSM-27730___
n7:predkladatel
n8:orjk%3A27730
n3:aktivita
n14:P n14:V
n3:aktivity
P(2B06068), P(ED2.1.00/03.0069), V
n3:cisloPeriodika
5
n3:dodaniDat
n17:2014
n3:domaciTvurceVysledku
n12:1582216 n12:8215626 n12:6274676
n3:druhVysledku
n15:J
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
115010
n3:idVysledku
RIV/61989100:27730/13:86088536
n3:jazykVysledku
n5:eng
n3:klicovaSlova
biomass; saccharides; composting processes; compost; VFAs
n3:klicoveSlovo
n6:compost n6:saccharides n6:biomass n6:VFAs n6:composting%20processes
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[A1F1BD996650]
n3:nazevZdroje
Waste Management
n3:obor
n21:DM
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n19:ED2.1.00%2F03.0069 n19:2B06068
n3:rokUplatneniVysledku
n17:2013
n3:svazekPeriodika
33
n3:tvurceVysledku
Raclavská, Helena Kučerová, Martina Plachá, Daniela Kuchařová, Jana
n3:wos
000319791200010
s:issn
0956-053X
s:numberOfPages
9
n16:doi
10.1016/j.wasman.2013.01.021
n9:organizacniJednotka
27730