Plasma modified nanofibres based on gum kondagogu and their use for collection of nanoparticulate silver, gold and platinum

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24620%2F15%3A00001494" target="_blank" >RIV/46747885:24620/15:00001494 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.sciencedirect.com/science/article/pii/S0144861714012181" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0144861714012181</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.carbpol.2014.11.074" target="_blank" >10.1016/j.carbpol.2014.11.074</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Plasma modified nanofibres based on gum kondagogu and their use for collection of nanoparticulate silver, gold and platinum

Popis výsledku v původním jazyce

Electrospun nanofibre membranes from blend solutions of deacetylated gum kondagogu and polyvinyl alcohol of various weight proportions were prepared. The electrospun membrane was cross linked by heating at 150 °C for 6 h and later modified by methane plasma treatment. Membranes were successively used for the removal of nanoparticles (Ag, Au and Pt) from water. Pt nanoparticles with the smallest size (2.4 ? 0.7 nm) has a higher adsorption capacity (270.4 mg/g and 327.2 mg/g) compared to Au and Ag nanoparticles with particle sizes 7.8 ? 2.3 nm and 10.5 ? 3.5 nm onto nanofibre membrane (NFM) and methane plasma treated membrane (P-NFM). The extraction efficiency of P-NFM for the removal of nanoparticles in water is higher compared to untreated membranes. The adsorption kinetics were evaluated by pseudo-first order and pseudo-second order models for the extraction of nanoparticles from water, with the pseudo-second order model providing a better fit. The reusability and regeneration of the

Název v anglickém jazyce

Plasma modified nanofibres based on gum kondagogu and their use for collection of nanoparticulate silver, gold and platinum

Popis výsledku anglicky

Electrospun nanofibre membranes from blend solutions of deacetylated gum kondagogu and polyvinyl alcohol of various weight proportions were prepared. The electrospun membrane was cross linked by heating at 150 °C for 6 h and later modified by methane plasma treatment. Membranes were successively used for the removal of nanoparticles (Ag, Au and Pt) from water. Pt nanoparticles with the smallest size (2.4 ? 0.7 nm) has a higher adsorption capacity (270.4 mg/g and 327.2 mg/g) compared to Au and Ag nanoparticles with particle sizes 7.8 ? 2.3 nm and 10.5 ? 3.5 nm onto nanofibre membrane (NFM) and methane plasma treated membrane (P-NFM). The extraction efficiency of P-NFM for the removal of nanoparticles in water is higher compared to untreated membranes. The adsorption kinetics were evaluated by pseudo-first order and pseudo-second order models for the extraction of nanoparticles from water, with the pseudo-second order model providing a better fit. The reusability and regeneration of the

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DJ - Znečištění a kontrola vody

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

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

Rok uplatnění

2015

Kód důvěrnosti údajů

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

Název periodika

Carbohydrate Polymers

ISSN

0144-8617

e-ISSN

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Svazek periodika

121

Číslo periodika v rámci svazku

5

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

9

Strana od-do

468-476

Kód UT WoS článku

000270624200037

EID výsledku v databázi Scopus

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