2006
DOI: 10.1016/j.fuel.2005.08.022
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Immobilization of Cs, Cd, Pb and Cr by synthetic zeolites from Spanish low-calcium coal fly ash

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Cited by 71 publications
(39 citation statements)
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“…24 Applications for zeolites synthesized using CFA are the same as those of natural zeolites and zeolites made from natural materials (kaolin, diatomites) or other aluminosilicate industrial wastes. [25][26][27][28] Both natural zeolites and those directly synthesized (one step or one-pot process) 29,30 from less pure materials limit their possible uses to (i) removing metals from industrial wastewater; [31][32][33] (ii) acid mine drainage. 22,[34][35][36][37] Some other specific applications (catalysis, 38 food packaging, 39 biomaterials, 40 builder in detergents, 23,41 soil treatment) 42 require high Vol.…”
Section: Introductionmentioning
confidence: 99%
“…24 Applications for zeolites synthesized using CFA are the same as those of natural zeolites and zeolites made from natural materials (kaolin, diatomites) or other aluminosilicate industrial wastes. [25][26][27][28] Both natural zeolites and those directly synthesized (one step or one-pot process) 29,30 from less pure materials limit their possible uses to (i) removing metals from industrial wastewater; [31][32][33] (ii) acid mine drainage. 22,[34][35][36][37] Some other specific applications (catalysis, 38 food packaging, 39 biomaterials, 40 builder in detergents, 23,41 soil treatment) 42 require high Vol.…”
Section: Introductionmentioning
confidence: 99%
“…Owing to the high silica and alumina content, CFA can be converted into zeolite-like crystalline materials by chemical treatment, and would fi nd use as adsorbents and ion exchangers in water and wastewater treatment (Juan et al 2002, Penilla et al 2006). Rohatgi et al 2006 reported the application of CFA as composites in reinforced glass and polymer matrix, composites with metals while Wang, 2008 andDunens et al 2009 reported its application as catalyst supports.…”
Section: Introductionmentioning
confidence: 99%
“…Este tipo de activación puede favorecer la formación de fases tipo tobermorita (precursora del gel C-S-H) o zeolíticas, que resultan de interés como precursores de cementos de baja energía [19,20], como adiciones en sustitución parcial del cemento para mejorar su resistencia a compresión [21,22] o por sus propiedades de inmovilización de residuos [23].…”
Section: Valorización De Residuos Por Vía Hidrotermalunclassified
“…Como resultado propusieron un proceso para la síntesis de un material cementante con importantes mejoras energéticas y medioambientales con respecto al cemento Portland convencional. Dentro de los productos obtenidos por estos autores mediante el tratamiento hidrotermal (NaOH 1M, 200ºC y 12 horas) de CV y CIRSU es la tobermorita [23,31]. Esta fase posee una estructura similar al gel C-S-H que es un silicato de calcio hidratado, compuesto principal producido durante la hidratación del cemento Portland y responsable del desarrollo de las resistencias mecánicas de este material.…”
Section: Valorización De Residuos Por Vía Hidrotermalunclassified
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