Remediação de drenagem ácida de mina usando zeólitas sintetizadas a partir de cinzas leves de carvão



Título del documento: Remediação de drenagem ácida de mina usando zeólitas sintetizadas a partir de cinzas leves de carvão
Revista: Quimica nova
Base de datos: PERIÓDICA
Número de sistema: 000313192
ISSN: 0100-4042
Autors: 1
Institucions: 1Comissao Nacional de Energia Nuclear, Instituto de Pesquisas Energeticas e Nucleares, Sao Paulo. Brasil
Any:
Període: Jul
Volum: 29
Número: 4
Paginació: 735-740
País: Brasil
Idioma: Portugués
Tipo de documento: Artículo
Enfoque: Experimental, aplicado
Resumen en inglés Zeolitic material was synthesized from coal fly ashes (baghouse filter fly ash and cyclone filter fly ash) by hydrothermal alkaline activation. The potential application of the zeolitic product for decontamination of waters from acid mine drainage was evaluated. The results showed that a dose of 30 g L-1 of zeolitic material allowed the water to reach acceptable quality levels after treatment. Both precipitation and cation-exchange processes accounted for the reduction in the pollutant concentration in the treated waters
Disciplines Química,
Ingeniería
Paraules clau: Ingeniería de minas,
Drenaje ácido,
Minas,
Tratamiento de aguas residuales,
Remediación,
Zeolitas
Keyword: Chemistry,
Engineering,
Mining engineering,
Acid drainage,
Mines,
Waste water treatment,
Remediation,
Zeolites
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