About: Synthesis, characterization and study of arsenate adsorption from aqueous solution by α- and δ- phase manganese dioxide nanoadsorbents

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Single-phase α-MnO2 nanorods and δ-MnO2 nano-fiber clumps were synthesized using the manganese pentahydrate in an aqueous solution. The structural analysis shows that α-MnO2 (2x2 tunnel structure) are needle shaped nanorods and δ-MnO2 (2D-layered structure) consists of fine needle-like fibers arranged in ball-like aggregates. Further batch experiments were carried out to determine the effect of pH, adsorption kinetics and adsorption capacity at pH=6.5 for the removal of As(V) onto two types of nanosorbents. The adsorption capacity of As(V) was found to be highly pH dependent. The adsorption of As(V) onto α-MnO2 reached equilibrium more rapidly with higher adsorption capacity compared to δ-MnO2 Single-phase α-MnO2 nanorods and δ-MnO2 nano-fiber clumps were synthesized using the manganese pentahydrate in an aqueous solution. The structural analysis shows that α-MnO2 (2x2 tunnel structure) are needle shaped nanorods and δ-MnO2 (2D-layered structure) consists of fine needle-like fibers arranged in ball-like aggregates. Further batch experiments were carried out to determine the effect of pH, adsorption kinetics and adsorption capacity at pH=6.5 for the removal of As(V) onto two types of nanosorbents. The adsorption capacity of As(V) was found to be highly pH dependent. The adsorption of As(V) onto α-MnO2 reached equilibrium more rapidly with higher adsorption capacity compared to δ-MnO2 (en)
Title	Synthesis, characterization and study of arsenate adsorption from aqueous solution by α- and δ- phase manganese dioxide nanoadsorbents Synthesis, characterization and study of arsenate adsorption from aqueous solution by α- and δ- phase manganese dioxide nanoadsorbents (en)
skos:prefLabel	Synthesis, characterization and study of arsenate adsorption from aqueous solution by α- and δ- phase manganese dioxide nanoadsorbents Synthesis, characterization and study of arsenate adsorption from aqueous solution by α- and δ- phase manganese dioxide nanoadsorbents (en)
skos:notation	RIV/60461373:22320/10:00023933!RIV11-MSM-22320___
http://linked.open...avai/riv/aktivita	R Z
http://linked.open...avai/riv/aktivity	R, Z(MSM6046137308)
http://linked.open...iv/cisloPeriodika	222
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Strnadová, Nina Štěpánek, František Ulbrich, Pavel Singh, Mandeep Thanh, Dong Nguyen
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 chemicko-technologická v Praze / Fakulta technologie ochrany prostředí
http://linked.open...dnocenehoVysledku	291504
http://linked.open...ai/riv/idVysledku	RIV/60461373:22320/10:00023933
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	water treatment; manganese dioxides; nanoadsorbents; As(V) adsorption; adsorption isotherm (en)
http://linked.open.../riv/klicoveSlovo	As(V) adsorption manganese dioxides adsorption isotherm water treatment nanoadsorbents
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[16A1F391A1DD]
http://linked.open...i/riv/nazevZdroje	J. Solid State Chem.
http://linked.open...in/vavai/riv/obor	DJ
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	183
http://linked.open...iv/tvurceVysledku	Strnadová, Nina Štěpánek, František Singh, Mandeep Thanh, Dong Nguyen Ulbrich, Pavel
http://linked.open...n/vavai/riv/zamer	The study of chemical biological processes for the environmental protection
issn	0022-4596
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	22320
is http://linked.open...avai/riv/vysledek of	Synthesis, characterization and study of arsenate adsorption from aqueous solution by α- and δ- phase manganese dioxide nanoadsorbents Synthesis, characterization and study of arsenate adsorption from aqueous solution by α- and δ- phase manganese dioxide nanoadsorbents Synthesis, characterization and study of arsenate adsorption from aqueous solution by α- and δ- phase manganese dioxide nanoadsorbents

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