Membrane Surface Modification by Nanosilver for Biofouling Restriction

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24220%2F15%3A00000841" target="_blank" >RIV/46747885:24220/15:00000841 - isvavai.cz</a>

Alternative codes found

RIV/46747885:24620/15:00000841

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Membrane Surface Modification by Nanosilver for Biofouling Restriction

Original language description

Membrane biofouling limits widespread using of membrane technology in different fields. Several ways how to restrict this negative effect and achieve improving in long-term membrane filtration performances have been tested so far. Membrane modification by silver in the nanometre size-range can be a promising option for achieving high and long-term membrane permeabilities as well as antimicrobial features. Commercially available ultrafiltration membrane NADIR (R) UP 150 (commonly used for wastewater treatment) was modified by nanosilver. Modification methods were based on i) diffusion of silver together with its subsequent reduction, and ii) silver-doped nanofibers. Changes in permeabilities, antimicrobial properties, silver leaching and contact angles of modified membranes were examined. While the membrane modified by diffusion method revealed higher permeabilities with demineralized water as well as diluted activated sludge, membrane modified through silver-doped nanofibers showed lower permeabilities, when comparing to unmodified one. The results of filtration tests well corresponded with contact angles which showed higher hydrophilic character of membranes modified through diffusion method. Both modified membranes also exhibited strong antimicrobial features and low silver leaching over time.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

JI - Composite materials

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

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

Publication year

2015

Confidentiality

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

Article name in the collection

NANOCON 2015: 7TH INTERNATIONAL CONFERENCE ON NANOMATERIALS - RESEARCH & APPLICATION

ISBN

978-80-87294-63-5

ISSN

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e-ISSN

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Number of pages

6

Pages from-to

213-218

Publisher name

TANGER LTD

Place of publication

Česká republika

Event location

Brno, CZECH REPUBLIC

Event date

Jan 1, 2015

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

000374708800037