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      Remoção de compostos tóxicos de solução aquosa por adsorção com zeólita sintetizada a partir de cinzas de carvão Translated title: Removal of toxics compounds from aqueous solution by adsorption with zeolite synthesized from coal ashes

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          Abstract

          A capacidade das zeólitas sintetizadas a partir da cinza de carvão brasileiro na remoção dos íons de Cd, Zn e do azul de metileno de soluções aquosas foi investigada. O material zeolítico preparado com a cinza de carvão do filtro manga apresentou a eficiência de remoção mais alta para os poluentes. A seletividade aos íons metálicos deste produto foi determinada como: Cd2+ > Zn2+. As capacidades máximas de adsorção encontradas foram 36,1 mg g-1 para o Zn2+, 76,3 mg g-1 para o Cd2+e 3,93 mg g-1 para o corante.

          Translated abstract

          The capacity of synthesized zeolites from Brazilian coal ash for the removal of Cd, Zn ions and methylene blue from aqueous solutions has been investigated. The zeolitic material prepared with coal ash from baghouse filter showed the highest efficiency for pollutants removal. The metal ion selectivity of this product was determined as: Cd2+ > Zn2+. The maximum sorption capacities found were 36.1 mg g-1 for Zn2+, 76.3 mg g-1 for Cd2+ and 3.93 mg g-1 for dye.

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          Most cited references24

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          Clay Sci.

          T Henmi (1987)
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            Actived Carbon Adsorption for Waste Water Treatment

            R. Perrich (1981)
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              Mineral Surfaces

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                eq
                Eclética Química
                Eclet. Quím.
                Fundação Editora da Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP (São Paulo )
                1678-4618
                2005
                : 30
                : 2
                : 31-35
                Affiliations
                [1 ] Instituto de Pesquisas Energéticas e Nucleares Brazil
                Article
                S0100-46702005000200004
                10.1590/S0100-46702005000200004
                5403ad70-258c-4821-9d36-cde95624894d

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-4670&lng=en
                Categories
                CHEMISTRY, MULTIDISCIPLINARY

                General chemistry
                adsorption,coal fly ash,material zeolítico,zeolitic material,adsorção,cinza leve de carvão

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