2012
DOI: 10.1016/j.cattod.2012.02.025
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A NaY zeolite synthesized from Colombian industrial coal by-products: Potential catalytic applications

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Cited by 26 publications
(6 citation statements)
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“…The structure internal tetrahedral bending and the double ring external linkage bands were appearing between 450 to 471 cm -1 and 542 to 550 cm -1 , respectively. Similar to the literature, the later mention vibration mode in the initial NaY was shown at 560 cm -1 [16]. A direct correlation between the change of the wave number in the region between 400 to 500 cm -1 and ionic radii of cations (expect Li + and Mg 2+ ions) has been found.…”
Section: Figuresupporting
confidence: 87%
See 1 more Smart Citation
“…The structure internal tetrahedral bending and the double ring external linkage bands were appearing between 450 to 471 cm -1 and 542 to 550 cm -1 , respectively. Similar to the literature, the later mention vibration mode in the initial NaY was shown at 560 cm -1 [16]. A direct correlation between the change of the wave number in the region between 400 to 500 cm -1 and ionic radii of cations (expect Li + and Mg 2+ ions) has been found.…”
Section: Figuresupporting
confidence: 87%
“…Surface area of K/ Fe/ NaY and Cs/ Fe/ NaY catalysts increased after the reaction. Increasing in surface area can be attributed to removing Al atom from the frameworks, and collapsing the structure [16]. In the K/Fe/NaY catalyst some Al metal ions were replaced by Fe metal ions and the unit cell dimension of NaY decreased.…”
Section: Resultsmentioning
confidence: 99%
“…Atualmente, as zeólitas sintéticas são usadas mais frequentemente do que as zeólitas naturais devido à pureza dos produtos cristalinos e à uniformidade do tamanho das partículas (Ríos et al, 2012).…”
Section: Zeólitasunclassified
“…Desde o estudo de síntese da zeólita a partir de cinzas de carvão publicado em 1985 por Höller e Wirsching, muitas pesquisas foram e estão sendo desenvolvidas, com o objetivo de melhorar e otimizar os métodos de zeolitização utilizando cinzas leves de carvão (Izidoro, 2013;Ríos et al, 2012;Shoumkova, 2011;Ríos et al, 2009;Rayalu et al, 2006;Ríos, et al, 2006;Querol et al, 2002;Querol et al, 1997;Lin e His, 1995;Kolousek et al, 1993;Henmi, 1987).…”
Section: Zeólitasunclassified
“…HOLLER e WIRSCHING podem ser considerados os pioneiros no uso das cinzas leves de carvão como fontes de Al e Si para a síntese de zeólita (BELVISO, 2018). Desde o trabalho destes autores, muitas pesquisas foram e estão sendo desenvolvidas, com o objetivo de melhorar e otimizar os métodos de síntese utilizando cinzas leves de carvão (HENMI, 1987;LIN e HIS, 1995;QUEROL et al, 1997a;QUEROL et al, 2002;RÍOS et al, 2006;RAYALU et al, 2006;RÍOS et al, 2009;SHOUMKOVA, 2011;RÍOS et al, 2012;YU et al, 2016 (MURAYAMA et al, 2002). O método mais comum é a conversão clássica alcalina com hidróxido de sódio (HÖLLER E WIRSCHING, 1985;HENMI, 1987;MONDRAGON et al, 1990;SINGER e BERKGAUT, 1995;AMRHEIN et al, 1996;QUEROL et al, 1997a;INADA et al, 2005a).…”
Section: Zeólita Como Adsorvente De Baixo Custounclassified