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Statements

Subject Item
n2:RIV%2F60460709%3A41330%2F13%3A62183%21RIV14-MSM-41330___
rdf:type
skos:Concept n15:Vysledek
dcterms:description
The use of agricultural byproducts and industrial biowaste materials has been shown to be an attractive technique for removing Cr(VI) from contaminated waste waters. In this study, used brewers draff, peat moss, sawdust, grape stalks and husks were investigated as novel biosorbents for Cr(VI). The material was tested in two different modifications. The material was dried, cut and sieved and part of it was subjected to acid (2 M H2SO4) and alkali (0.5 M NaOH) pre-treatments to remove starch, proteins and sugars. Fourier transform infrared rays analysis on solid phase (FTIR-ATR) was used to determine the main functional groups that might control the metal uptake. Batch experiments were performed at different pH values (3, 4.5, 6) and at various initial concentration of Cr(VI) (25. 250 mg L-1). Two equilibrium empirical models, Langmuir and Freundlich, were used to describe Cr(VI) adsorption. In order to identify possible reduction processes, ion exchange separation on the AG1-X8 resin was used to separ The use of agricultural byproducts and industrial biowaste materials has been shown to be an attractive technique for removing Cr(VI) from contaminated waste waters. In this study, used brewers draff, peat moss, sawdust, grape stalks and husks were investigated as novel biosorbents for Cr(VI). The material was tested in two different modifications. The material was dried, cut and sieved and part of it was subjected to acid (2 M H2SO4) and alkali (0.5 M NaOH) pre-treatments to remove starch, proteins and sugars. Fourier transform infrared rays analysis on solid phase (FTIR-ATR) was used to determine the main functional groups that might control the metal uptake. Batch experiments were performed at different pH values (3, 4.5, 6) and at various initial concentration of Cr(VI) (25. 250 mg L-1). Two equilibrium empirical models, Langmuir and Freundlich, were used to describe Cr(VI) adsorption. In order to identify possible reduction processes, ion exchange separation on the AG1-X8 resin was used to separ
dcterms:title
New low cost sorbents for Cr(VI) - batch and column experiments New low cost sorbents for Cr(VI) - batch and column experiments
skos:prefLabel
New low cost sorbents for Cr(VI) - batch and column experiments New low cost sorbents for Cr(VI) - batch and column experiments
skos:notation
RIV/60460709:41330/13:62183!RIV14-MSM-41330___
n15:predkladatel
n16:orjk%3A41330
n4:aktivita
n21:S n21:P
n4:aktivity
P(TA01021055), S
n4:dodaniDat
n12:2014
n4:domaciTvurceVysledku
n5:4093216 n5:9340807
n4:druhVysledku
n7:D
n4:duvernostUdaju
n18:S
n4:entitaPredkladatele
n19:predkladatel
n4:idSjednocenehoVysledku
91610
n4:idVysledku
RIV/60460709:41330/13:62183
n4:jazykVysledku
n9:eng
n4:klicovaSlova
chromium, biosorption process, organic substrates, batch and packed bed column experiments
n4:klicoveSlovo
n6:organic%20substrates n6:batch%20and%20packed%20bed%20column%20experiments n6:chromium n6:biosorption%20process
n4:kontrolniKodProRIV
[7EF709D314A5]
n4:mistoKonaniAkce
Rome, ITALY
n4:mistoVydani
E D P SCIENCES, 17 AVE DU HOGGAR PARC D ACTIVITE
n4:nazevZdroje
16th International Conference on Heavy Metals in the Environment (ICHMET)
n4:obor
n8:JJ
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:projekt
n14:TA01021055
n4:rokUplatneniVysledku
n12:2013
n4:tvurceVysledku
Komárek, Michael Šillerová, Hana
n4:typAkce
n20:WRD
n4:wos
000326475400200
n4:zahajeniAkce
2012-09-23+02:00
s:issn
2267-1242
s:numberOfPages
3
n13:hasPublisher
E D P SCIENCES, 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE
n17:organizacniJednotka
41330