Biodegradation of polyvinylalcohol under denitrifying condition

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Biodegradation of polyvinylalcohol under denitrifying condition

Popis výsledku v původním jazyce

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 spectrophotometricmethod 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. Ourresults 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.

Název v anglickém jazyce

Biodegradation of polyvinylalcohol under denitrifying condition

Popis výsledku anglicky

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 spectrophotometricmethod 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. Ourresults 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.

Druh

D - Stať ve sborníku

CEP obor

EE - Mikrobiologie, virologie

OECD FORD obor

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Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2010

Kód důvěrnosti údajů

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

Název statě ve sborníku

25. výročný kongres československej spoločnosti mikrobiologickej s medzinárodnou účasťou

ISBN

970-80-970477-8-8

ISSN

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e-ISSN

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Počet stran výsledku

1

Strana od-do

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Název nakladatele

Československá spoločnosť mikrobiologická

Místo vydání

Bratislava

Místo konání akce

Stará Lesná, Vysoké Tatry

Datum konání akce

1. 1. 2010

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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