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Statements

Subject Item
n2:RIV%2F70883521%3A28110%2F10%3A63509250%21RIV11-MSM-28110___
rdf:type
skos:Concept n15:Vysledek
dcterms:description
The study of polyvinylalcohol biodegradation under denitrifying condition was the main aim of our work. Denitrifying sludge from sewage treatment plant was used in bottle tests and polyvinylalcohol concentrations were monitored by both spectrophotometric method and determinations of diluted organic carbon. Our study showed successful biodegradation of polyvinylalcohol under mentioned conditions in denitrifying sludge. The polymer (100 mg/l) was degraded within two months in non-acclimated denitrifying sludge and during 10 days in acclimated denitrifying sludge. The rate of the biodegradation in non-acclimated sludge depended on concentration of nitrates; their higher initial concentration (1000 mg/l) accelerated the polyvinylalcohol biodegradation. Our results showed that the polymer may be destroyed in oxygen-limited environment when rich microbial community is present. This finding has great importance owing to polyvinylalcohol persistency in different environmental spheres. The study of polyvinylalcohol biodegradation under denitrifying condition was the main aim of our work. Denitrifying sludge from sewage treatment plant was used in bottle tests and polyvinylalcohol concentrations were monitored by both spectrophotometric method and determinations of diluted organic carbon. Our study showed successful biodegradation of polyvinylalcohol under mentioned conditions in denitrifying sludge. The polymer (100 mg/l) was degraded within two months in non-acclimated denitrifying sludge and during 10 days in acclimated denitrifying sludge. The rate of the biodegradation in non-acclimated sludge depended on concentration of nitrates; their higher initial concentration (1000 mg/l) accelerated the polyvinylalcohol biodegradation. Our results showed that the polymer may be destroyed in oxygen-limited environment when rich microbial community is present. This finding has great importance owing to polyvinylalcohol persistency in different environmental spheres.
dcterms:title
Biodegradation of polyvinylalcohol under denitrifying condition Biodegradation of polyvinylalcohol under denitrifying condition
skos:prefLabel
Biodegradation of polyvinylalcohol under denitrifying condition Biodegradation of polyvinylalcohol under denitrifying condition
skos:notation
RIV/70883521:28110/10:63509250!RIV11-MSM-28110___
n3:aktivita
n14:S
n3:aktivity
S
n3:dodaniDat
n13:2011
n3:domaciTvurceVysledku
n7:5962218 n7:8673667 n7:7236670
n3:druhVysledku
n19:D
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
248850
n3:idVysledku
RIV/70883521:28110/10:63509250
n3:jazykVysledku
n17:eng
n3:klicovaSlova
Polyvinylalcohol; denitrification; degradation; nitrates
n3:klicoveSlovo
n4:degradation n4:Polyvinylalcohol n4:nitrates n4:denitrification
n3:kontrolniKodProRIV
[D6F43302A570]
n3:mistoKonaniAkce
Stará Lesná, Vysoké Tatry
n3:mistoVydani
Bratislava
n3:nazevZdroje
25. výročný kongres československej spoločnosti mikrobiologickej s medzinárodnou účasťou
n3:obor
n20:EE
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n13:2010
n3:tvurceVysledku
Houser, Josef Růžička, Jan Marušincová, Hana
n3:typAkce
n12:EUR
n3:zahajeniAkce
2010-01-01+01:00
s:numberOfPages
1
n6:hasPublisher
Československá spoločnosť mikrobiologická
n18:isbn
970-80-970477-8-8
n9:organizacniJednotka
28110