Application of powdered building wastes in adsorption technologies

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F20%3A00348850" target="_blank" >RIV/68407700:21110/20:00348850 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.37904/nanocon.2019.8772" target="_blank" >http://dx.doi.org/10.37904/nanocon.2019.8772</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.37904/nanocon.2019.8772" target="_blank" >10.37904/nanocon.2019.8772</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Application of powdered building wastes in adsorption technologies

Popis výsledku v původním jazyce

Two powdered wastes originating in building materials production (waste brick dust (WBD) from the production of ceramic blocks and concrete slurry waste (CSW) from prestressed poles production used also in Fe-modified form (CSWFe)) were studied as potential adsorbents of ecologically risk cations (Cd2+, Pb2+) and anions (AsV as AsO43- and CrVI as CrO42-) from contaminated waters. The WBD indicated very good adsorption selectivity for Cd2+, Pb2+ and AsV at a high adsorption efficiency (>90%), and worse parameters for CrVI adsorption (<30% adsorption efficiency). The sorbent consumption was low (<70 – 100 g per 1 g of contaminant) for cations (Cd2+, Pb2+) and more than four times higher for AsV. The adsorption of CrVI on WBD was ineffective. The adsorption of cations (Pb2+ and Cd2+) on CSW and anions (AsO43- and CrO42-) on CSWFe ran in the same manner as on WBD. Fe-modification of CSW to CSWFe increased its adsorption efficiency to anions by 15. – 20%. The cations (Pb2+, Cd2+) were adsorbed almost quantitatively (~100%) on the initial CSW at the sorbent consumption of 10 – 120 g per 1 g of contaminant. The adsorption of anions (AsV, CrVI) on CSWFe reached ˃95% for AsV and 40-60% for CrVI, at the sorbent consumption of 80 – 200 g per 1 g of contaminant.

Název v anglickém jazyce

Application of powdered building wastes in adsorption technologies

Popis výsledku anglicky

Two powdered wastes originating in building materials production (waste brick dust (WBD) from the production of ceramic blocks and concrete slurry waste (CSW) from prestressed poles production used also in Fe-modified form (CSWFe)) were studied as potential adsorbents of ecologically risk cations (Cd2+, Pb2+) and anions (AsV as AsO43- and CrVI as CrO42-) from contaminated waters. The WBD indicated very good adsorption selectivity for Cd2+, Pb2+ and AsV at a high adsorption efficiency (>90%), and worse parameters for CrVI adsorption (<30% adsorption efficiency). The sorbent consumption was low (<70 – 100 g per 1 g of contaminant) for cations (Cd2+, Pb2+) and more than four times higher for AsV. The adsorption of CrVI on WBD was ineffective. The adsorption of cations (Pb2+ and Cd2+) on CSW and anions (AsO43- and CrO42-) on CSWFe ran in the same manner as on WBD. Fe-modification of CSW to CSWFe increased its adsorption efficiency to anions by 15. – 20%. The cations (Pb2+, Cd2+) were adsorbed almost quantitatively (~100%) on the initial CSW at the sorbent consumption of 10 – 120 g per 1 g of contaminant. The adsorption of anions (AsV, CrVI) on CSWFe reached ˃95% for AsV and 40-60% for CrVI, at the sorbent consumption of 80 – 200 g per 1 g of contaminant.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20701 - Environmental and geological engineering, geotechnics

Projekt

<a href="/cs/project/GA19-11027S" target="_blank" >GA19-11027S: Betonárenský kal - nebezpečný odpad nebo druhotná surovina?</a><br>

Návaznosti

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

Rok uplatnění

2020

Kód důvěrnosti údajů

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

Název statě ve sborníku

Proceedings 11th International Conference on Nanomaterials - Research & Application

ISBN

978-80-87294-95-6

ISSN

2694-930X

e-ISSN

—

Počet stran výsledku

6

Strana od-do

267-272

Název nakladatele

Tanger

Místo vydání

Ostrava

Místo konání akce

Brno

Datum konání akce

16. 10. 2019

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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