MICROW AVE-ASSISTED SYNTHESIS OF LOW-SILICA/ALUMINA-RATIO ZEOLITES FROM GEOTHERMAL SILICA

Zeolites A, X, hydroxysodalite and Iiydroxycancrinite (ZA, ZX, ZS, and ZC, respectively) were obtained using geothermal silica (GS) as a raw material and microwaves (MW) as an energy source. GS is an industrial byproduct from the Cerro Prieto geothermal plant in Baja California, México. It is a pote...

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Autores principales:	DE LEÓN,BEATRIZ, GAMERO,PRÓCORO, MONTERO-OCAMPO,CECILIA, VARGAS,GREGORIO, ESCALANTE-GARCÍA,J. IVÁN, MARTÍNEZ,ARTURO I
Lenguaje:	English
Publicado:	Sociedad Chilena de Química 2011
Materias:	microwaves geothermal silica zeolite Taguchi orthogonal array
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072011000300007
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spelling	oai:scielo:S0717-970720110003000072012-01-11MICROW AVE-ASSISTED SYNTHESIS OF LOW-SILICA/ALUMINA-RATIO ZEOLITES FROM GEOTHERMAL SILICADE LEÓN,BEATRIZGAMERO,PRÓCOROMONTERO-OCAMPO,CECILIAVARGAS,GREGORIOESCALANTE-GARCÍA,J. IVÁNMARTÍNEZ,ARTURO I microwaves geothermal silica zeolite Taguchi orthogonal array Zeolites A, X, hydroxysodalite and Iiydroxycancrinite (ZA, ZX, ZS, and ZC, respectively) were obtained using geothermal silica (GS) as a raw material and microwaves (MW) as an energy source. GS is an industrial byproduct from the Cerro Prieto geothermal plant in Baja California, México. It is a potential raw material for zeolite manufacturing because of its chemical composition and its high reactivity given by its small particle size. First, GS was treated with NaOH to generate zeolite precursors; the resulting products were crystallized by MW using sodium alumínate to adjust the SiO2/Al2O3 ratio in the reaction mixture. An experimental design based on an orthogonal array was employed to study the effects of the main factors involved in the zeolitization process of GS. The obtained yields of zeolites ZC, ZA and ZS were 95, 97, and 76.6% respectively. These zeolites were analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM), and X-ray fluorescence (XRF), and their calcium binding capacity (CBC) was determined. The obtained results were similar to those of commercial zeolites.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.56 n.3 20112011-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072011000300007en10.4067/S0717-97072011000300007
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	microwaves geothermal silica zeolite Taguchi orthogonal array
spellingShingle	microwaves geothermal silica zeolite Taguchi orthogonal array DE LEÓN,BEATRIZ GAMERO,PRÓCORO MONTERO-OCAMPO,CECILIA VARGAS,GREGORIO ESCALANTE-GARCÍA,J. IVÁN MARTÍNEZ,ARTURO I MICROW AVE-ASSISTED SYNTHESIS OF LOW-SILICA/ALUMINA-RATIO ZEOLITES FROM GEOTHERMAL SILICA
description	Zeolites A, X, hydroxysodalite and Iiydroxycancrinite (ZA, ZX, ZS, and ZC, respectively) were obtained using geothermal silica (GS) as a raw material and microwaves (MW) as an energy source. GS is an industrial byproduct from the Cerro Prieto geothermal plant in Baja California, México. It is a potential raw material for zeolite manufacturing because of its chemical composition and its high reactivity given by its small particle size. First, GS was treated with NaOH to generate zeolite precursors; the resulting products were crystallized by MW using sodium alumínate to adjust the SiO2/Al2O3 ratio in the reaction mixture. An experimental design based on an orthogonal array was employed to study the effects of the main factors involved in the zeolitization process of GS. The obtained yields of zeolites ZC, ZA and ZS were 95, 97, and 76.6% respectively. These zeolites were analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM), and X-ray fluorescence (XRF), and their calcium binding capacity (CBC) was determined. The obtained results were similar to those of commercial zeolites.
author	DE LEÓN,BEATRIZ GAMERO,PRÓCORO MONTERO-OCAMPO,CECILIA VARGAS,GREGORIO ESCALANTE-GARCÍA,J. IVÁN MARTÍNEZ,ARTURO I
author_facet	DE LEÓN,BEATRIZ GAMERO,PRÓCORO MONTERO-OCAMPO,CECILIA VARGAS,GREGORIO ESCALANTE-GARCÍA,J. IVÁN MARTÍNEZ,ARTURO I
author_sort	DE LEÓN,BEATRIZ
title	MICROW AVE-ASSISTED SYNTHESIS OF LOW-SILICA/ALUMINA-RATIO ZEOLITES FROM GEOTHERMAL SILICA
title_short	MICROW AVE-ASSISTED SYNTHESIS OF LOW-SILICA/ALUMINA-RATIO ZEOLITES FROM GEOTHERMAL SILICA
title_full	MICROW AVE-ASSISTED SYNTHESIS OF LOW-SILICA/ALUMINA-RATIO ZEOLITES FROM GEOTHERMAL SILICA
title_fullStr	MICROW AVE-ASSISTED SYNTHESIS OF LOW-SILICA/ALUMINA-RATIO ZEOLITES FROM GEOTHERMAL SILICA
title_full_unstemmed	MICROW AVE-ASSISTED SYNTHESIS OF LOW-SILICA/ALUMINA-RATIO ZEOLITES FROM GEOTHERMAL SILICA
title_sort	microw ave-assisted synthesis of low-silica/alumina-ratio zeolites from geothermal silica
publisher	Sociedad Chilena de Química
publishDate	2011
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072011000300007
work_keys_str_mv	AT deleonbeatriz microwaveassistedsynthesisoflowsilicaaluminaratiozeolitesfromgeothermalsilica AT gameroprocoro microwaveassistedsynthesisoflowsilicaaluminaratiozeolitesfromgeothermalsilica AT monteroocampocecilia microwaveassistedsynthesisoflowsilicaaluminaratiozeolitesfromgeothermalsilica AT vargasgregorio microwaveassistedsynthesisoflowsilicaaluminaratiozeolitesfromgeothermalsilica AT escalantegarciajivan microwaveassistedsynthesisoflowsilicaaluminaratiozeolitesfromgeothermalsilica AT martinezarturoi microwaveassistedsynthesisoflowsilicaaluminaratiozeolitesfromgeothermalsilica
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MICROW AVE-ASSISTED SYNTHESIS OF LOW-SILICA/ALUMINA-RATIO ZEOLITES FROM GEOTHERMAL SILICA

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