Technological properties of yeast produced surface active compounds in connection with their application in clean-up technologies

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26295059%3A_____%2F14%3A%230000078" target="_blank" >RIV/26295059:_____/14:#0000078 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Technological properties of yeast produced surface active compounds in connection with their application in clean-up technologies

Popis výsledku v původním jazyce

Biologically produced surfactants (SACs) can mobilize and solubilize non-aqueous phase liquids (NAPL) adsorbed onto soil constituents. The interest in microbial surfactants has increased during recent years due to their lower toxicity, higher biodegradability, selectivity and specific activity under extreme conditions than synthetic SACs. Main output of the project represents preparation of this yeast biosurfactant intended for washing of matrices contaminated by NAPL. The influence of cultivation mediacomposition on biosurfactant production was studied and basic properties (critical micelle concentration (CMC), minimum surface tension) of isolated biosurfactants were compared with properties of synthetic surfactant with surface tension measurement. The interfacial tension of the systems containing aqueous solutions of different concentrations and non-polar substances was measured with petroleum compounds (kerosene Jet A-1), aromatic and aliphatic hydrocarbons (represented by toluene

Název v anglickém jazyce

Technological properties of yeast produced surface active compounds in connection with their application in clean-up technologies

Popis výsledku anglicky

Biologically produced surfactants (SACs) can mobilize and solubilize non-aqueous phase liquids (NAPL) adsorbed onto soil constituents. The interest in microbial surfactants has increased during recent years due to their lower toxicity, higher biodegradability, selectivity and specific activity under extreme conditions than synthetic SACs. Main output of the project represents preparation of this yeast biosurfactant intended for washing of matrices contaminated by NAPL. The influence of cultivation mediacomposition on biosurfactant production was studied and basic properties (critical micelle concentration (CMC), minimum surface tension) of isolated biosurfactants were compared with properties of synthetic surfactant with surface tension measurement. The interfacial tension of the systems containing aqueous solutions of different concentrations and non-polar substances was measured with petroleum compounds (kerosene Jet A-1), aromatic and aliphatic hydrocarbons (represented by toluene

Druh

O - Ostatní výsledky

CEP obor

DK - Kontaminace a dekontaminace půdy včetně pesticidů

OECD FORD obor

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Projekt

<a href="/cs/project/TA01020482" target="_blank" >TA01020482: Vývoj biologického surfaktantu pro sanační promývání kontaminovaných matric životního prostředí</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2014

Kód důvěrnosti údajů

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