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1998
DOI: 10.1016/s0169-1317(98)00010-6
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Adsorption of Cr(VI) in layered double hydroxides

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Cited by 227 publications
(143 citation statements)
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“…LDH reconstruction in the presence of non-hydroxyl anions has been carried out even more often than the preparation of MLCs. This might be due to the increasing interest of this method for environmental applications [58][59][60][61]64 (i.e. anion sequestering) and for the intercalation of organic and inorganic anions in the LDH layers [96][97][98][99] .…”
Section: Synthesis Of Ldhs By Hydrothermal Reconstruction Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…LDH reconstruction in the presence of non-hydroxyl anions has been carried out even more often than the preparation of MLCs. This might be due to the increasing interest of this method for environmental applications [58][59][60][61]64 (i.e. anion sequestering) and for the intercalation of organic and inorganic anions in the LDH layers [96][97][98][99] .…”
Section: Synthesis Of Ldhs By Hydrothermal Reconstruction Methodsmentioning
confidence: 99%
“…There is currently an increasing interest in LDHs, due to their properties as catalysts and catalyst supports 9,12,54 , antacids 9,[55][56] , trapping agents for anionic contaminants [57][58][59][60] , flame retardants 9,61 , polymer stabilizers 9,62 , molecular sieves 5 , ion exchangers and adsorbents 63,64 . New areas have been investigated for applications in the field of medicine 65,66 , thin films 67 , conducting materials 68,69 , electrodes [70][71][72] and corrosion protection [73][74][75] .…”
Section: Introductionmentioning
confidence: 99%
“…In the above formula, typically 0.2 e x e 0.33, but LDH with significantly higher x values have also been reported. 4 The most frequently studied LDH is [Mg 1-x Since these materials have a well-defined layered structure with nanometer (0.3-3 nm) interlayer distances and contain important functional groups, they are widely investigated for use as adsorbents for liquid ions [5][6][7] and gas molecules 8,9 and as catalysts for oxidation, [10][11][12] reduction, 13 and other catalytic reactions. [14][15][16] Recently, LDH materials have also been investigated in novel reactive separation processes to increase the conversion of catalytic reactions by removing one of the products from the reactor.…”
Section: Introductionmentioning
confidence: 99%
“…Os HDLs podem apresentar uma grande variedade de aplicações dependendo de suas propriedades (composição, cristanilidade, estabilidade térmica e outras propriedades físico-químicas). Entre as aplicações mais exploradas pode-se citar o uso como catalisadores heterogêneos [16][17][18] , adsorventes [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19] , trocadores aniônicos 19 e em aplicações farmacêuticas 22-24. A troca aniônica ocorre quando os aniôns intercalados no material precursor apresentam interações eletrostáticas fracas com a lamela. O grau de troca depende da tendência de substituição do ânion interlamelar e dos ânions a serem trocados, que é determinado pela densidade de carga de cada ânion.…”
Section: Hidróxido Duplos Lamelaresunclassified
“…As hidrotalcitas são hidróxidos duplos lamelares com elevada capacidade de troca aniônica, sendo muito utilizadas como adsorventes de contaminantes [1][2][3][4][5] . A aplicação de compósitos magnéticos para resolver problemas ambientais tem recebido considerável atenção nos últimos anos [6][7][8] .…”
Section: Introductionunclassified