About: Phosphate interaction with calcined form of Mg-Al.CO3 hydrotalcite in aqueous solutions

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About: Phosphate interaction with calcined form of Mg-Al.CO3 hydrotalcite in aqueous solutions Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this study the sorption removal of phosphates from aqueous solutions was investigated. The sorbent used was Mg-Al-CO3 hydrotalcite with a molar ratio of 2:1 calcined at 450 oC. The retention capacity of cLDH was 2.88 mmol P/g. The sorption can be characterized by a kinetic model of the pseudo-second order. Laboratory tests proved the existence of two steps – fast and slow. The fast step is associated with regeneration of the layered structure accompanied by surface adsorption of phosphates and is applied within the first 1.5 to 2 hours. Its rate is controlled by diffusion mechanisms. If abundance of phosphates is present in the solution, the slow step follows, i.e., phosphate intercalation into the interlayer, and eventually precipitation of aluminium phosphate occur. Different sorption mechanisms significantly influence desorption of phosphates. In this study the sorption removal of phosphates from aqueous solutions was investigated. The sorbent used was Mg-Al-CO3 hydrotalcite with a molar ratio of 2:1 calcined at 450 oC. The retention capacity of cLDH was 2.88 mmol P/g. The sorption can be characterized by a kinetic model of the pseudo-second order. Laboratory tests proved the existence of two steps – fast and slow. The fast step is associated with regeneration of the layered structure accompanied by surface adsorption of phosphates and is applied within the first 1.5 to 2 hours. Its rate is controlled by diffusion mechanisms. If abundance of phosphates is present in the solution, the slow step follows, i.e., phosphate intercalation into the interlayer, and eventually precipitation of aluminium phosphate occur. Different sorption mechanisms significantly influence desorption of phosphates. (en)
Title	Phosphate interaction with calcined form of Mg-Al.CO3 hydrotalcite in aqueous solutions Phosphate interaction with calcined form of Mg-Al.CO3 hydrotalcite in aqueous solutions (en)
skos:prefLabel	Phosphate interaction with calcined form of Mg-Al.CO3 hydrotalcite in aqueous solutions Phosphate interaction with calcined form of Mg-Al.CO3 hydrotalcite in aqueous solutions (en)
skos:notation	RIV/61989100:27360/12:86082241!RIV14-MSM-27360___
http://linked.open...avai/riv/aktivita	P V Z
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0082), V, Z(MSM6198910016)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Leško, Juraj Kostura, Bruno Kukutschová, Jana
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 / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	158516
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/12:86082241
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Hydrotalcite, Calcination, Phosphate sorption, Kinetics (en)
http://linked.open.../riv/klicoveSlovo	Hydrotalcite Phosphate sorption Calcination Kinetics
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[E0885F0E6239]
http://linked.open...i/riv/nazevZdroje	Annales de Chimie - Science des Matériaux
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Institute of clean technologies for mining and utilization of raw materials for energy use
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	37
http://linked.open...iv/tvurceVysledku	Matýsek, Dalibor Kostura, Bruno Leško, Juraj Kukutschová, Jana
http://linked.open...n/vavai/riv/zamer	Syntéza, struktura a vlastnosti nanomateriálů založených na bázi interkalovaných fylosylikátů
issn	0151-9107
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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