About: The adsorption of methylene blue on montmorillonite from acid solutions

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Description	The adsorption of methylene blue (MB) on montmorillonite from acidsolutions hasnot yet been studied in detail. In this paper the adsorption of this dye on Ca/SAz montmorillonitefrom 0.32, 0.80 and 1.60 M HCl solutions at ambient temperature and after 2 hours leaching wascarefully studied and evaluated. Under the above conditions the MB/SAz intercalates formed are practically insoluble. In contrast to the adsorption of methylene blue on montmorillonite from aqueous solutions, the adsorption from acid solutions consists of two adsorption waves. The intercalated samples from the first and second waves were studied using X-ray powder diffraction (XRD), FTIR, Vis spectroscopy, and scanning electron microscopy (SEM) equipped with a microprobe system. The adsorption of MB in the first wave is attributed to ion exchange of the dyecationic species (MB+, MB22+, H-aggregates, MBH2+ and H+) for the original interlayer cations of montmorillonite. The percentages of MBH2+ and H+ based on total adsorbed MB were estimated for varying HCl concentrations. The second adsorption wave is linked to the precipitation of MB specieson the outer MB/SAz surface. The adsorption of methylene blue (MB) on montmorillonite from acidsolutions hasnot yet been studied in detail. In this paper the adsorption of this dye on Ca/SAz montmorillonitefrom 0.32, 0.80 and 1.60 M HCl solutions at ambient temperature and after 2 hours leaching wascarefully studied and evaluated. Under the above conditions the MB/SAz intercalates formed are practically insoluble. In contrast to the adsorption of methylene blue on montmorillonite from aqueous solutions, the adsorption from acid solutions consists of two adsorption waves. The intercalated samples from the first and second waves were studied using X-ray powder diffraction (XRD), FTIR, Vis spectroscopy, and scanning electron microscopy (SEM) equipped with a microprobe system. The adsorption of MB in the first wave is attributed to ion exchange of the dyecationic species (MB+, MB22+, H-aggregates, MBH2+ and H+) for the original interlayer cations of montmorillonite. The percentages of MBH2+ and H+ based on total adsorbed MB were estimated for varying HCl concentrations. The second adsorption wave is linked to the precipitation of MB specieson the outer MB/SAz surface. (en)
Title	The adsorption of methylene blue on montmorillonite from acid solutions The adsorption of methylene blue on montmorillonite from acid solutions (en)
skos:prefLabel	The adsorption of methylene blue on montmorillonite from acid solutions The adsorption of methylene blue on montmorillonite from acid solutions (en)
skos:notation	RIV/61989100:27510/11:86081349!RIV12-GA0-27510___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(ED0040/01/01), P(GA205/08/0869), Z(AV0Z40320502), Z(MSM6198910016)
http://linked.open...iv/cisloPeriodika	neuvedeno
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Kliková, Christiana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Ekonomická fakulta
http://linked.open...dnocenehoVysledku	184696
http://linked.open...ai/riv/idVysledku	RIV/61989100:27510/11:86081349
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	montmorillonite, dissolution, acid solution, methylene blue, adsorption (en)
http://linked.open.../riv/klicoveSlovo	adsorption acid solution dissolution methylene blue montmorillonite
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[6BF5E686FBD0]
http://linked.open...i/riv/nazevZdroje	Clay Minerals
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional materials science and technology centre Clay minerals as host matrices for functional nanostructures
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Dudová, Michaela Grygar, Tomáš Klika, Zdeněk Kliková, Christiana Pustková, Petra Čapková, Pavla
http://linked.open...ain/vavai/riv/wos	000295126200009
http://linked.open...n/vavai/riv/zamer	Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí Syntéza, struktura a vlastnosti nanomateriálů založených na bázi interkalovaných fylosylikátů
issn	0009-8558
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1180/claymin.2011.046.3.461
http://localhost/t...ganizacniJednotka	27510

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