Sustainable and scalable development of PVDF-OH Ag/TiOx nanocomposites for simultaneous oil/water separation and pollutant degradation

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24620%2F23%3A00011249" target="_blank" >RIV/46747885:24620/23:00011249 - isvavai.cz</a>

Výsledek na webu

<a href="https://pubs.rsc.org/en/content/articlelanding/2023/en/d3en00335c/unauth" target="_blank" >https://pubs.rsc.org/en/content/articlelanding/2023/en/d3en00335c/unauth</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1039/D3EN00335C" target="_blank" >10.1039/D3EN00335C</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Sustainable and scalable development of PVDF-OH Ag/TiOx nanocomposites for simultaneous oil/water separation and pollutant degradation

Popis výsledku v původním jazyce

Freshwater scarcity is a persistent global problem and is frequently worsened by contamination with oils and oil-soluble contaminants. Although the technological union of microfiltration membranes and pollutant-degrading nanoparticles are up-and-coming solutions to eliminate oils from the aquatic environment, an utterly sustainable production process enabling the transfer of these materials close to reality has not been presented so far. Here, for the first time, electrospinning and reactive laser ablation in liquids (RLAL) are combined to prepare a set of chemically stable PVDF-based membranes through a process with a favorable sustainability footprint and endowing all the features for production scale-up. The most efficient reclamation of purified water from oily wastewater was found with the membranes decorated with 2.2 wt% Ag/TiOx nanoparticles in an alkaline solution. The entire recovery process takes place in ultra-short contact times (∼0.3 s), while beyond 58% of an organic pollutant (4-nitrophenol) and 80% of a tight oil emulsion (n-hexane in water) can be degraded and separated, respectively, in a continuous 20-min gravity-driven filtration. Thus, these findings provide a groundwork for the sustainable and scalable development of advanced nanotechnology for cleansing oily polluted water.

Název v anglickém jazyce

Sustainable and scalable development of PVDF-OH Ag/TiOx nanocomposites for simultaneous oil/water separation and pollutant degradation

Popis výsledku anglicky

Freshwater scarcity is a persistent global problem and is frequently worsened by contamination with oils and oil-soluble contaminants. Although the technological union of microfiltration membranes and pollutant-degrading nanoparticles are up-and-coming solutions to eliminate oils from the aquatic environment, an utterly sustainable production process enabling the transfer of these materials close to reality has not been presented so far. Here, for the first time, electrospinning and reactive laser ablation in liquids (RLAL) are combined to prepare a set of chemically stable PVDF-based membranes through a process with a favorable sustainability footprint and endowing all the features for production scale-up. The most efficient reclamation of purified water from oily wastewater was found with the membranes decorated with 2.2 wt% Ag/TiOx nanoparticles in an alkaline solution. The entire recovery process takes place in ultra-short contact times (∼0.3 s), while beyond 58% of an organic pollutant (4-nitrophenol) and 80% of a tight oil emulsion (n-hexane in water) can be degraded and separated, respectively, in a continuous 20-min gravity-driven filtration. Thus, these findings provide a groundwork for the sustainable and scalable development of advanced nanotechnology for cleansing oily polluted water.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10511 - Environmental sciences (social aspects to be 5.7)

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

2023

Kód důvěrnosti údajů

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

Název periodika

Environmental Science: Nano

ISSN

2051-8153

e-ISSN

—

Svazek periodika

10

Číslo periodika v rámci svazku

9

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

15

Strana od-do

2359-2373

Kód UT WoS článku

001051059500001

EID výsledku v databázi Scopus

2-s2.0-85169619956