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2018
DOI: 10.4322/2176-1523.1186
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Cinética De Adsorção De Manganês Em Zeólitas Exauridas

Abstract: ResumoEfluentes ricos em manganês, como os das indústrias extrativas, de vidro e cerâmicas, plantas de galvanização, entre outros, são considerados um problema ambiental devido principalmente ao seu poder toxicológico. O íon manganês é um poluente devido às suas propriedades organolépticas e é considerado um metal de difícil remoção devido à sua alta solubilidade, sendo usualmente encontrado em efluentes na forma do íon divalente Mn 2+ . Diversos métodos de tratamento têm sido aplicados a esses tipos de efluen… Show more

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Cited by 2 publications
(2 citation statements)
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“…Manganese sorption on a cation-exchange resin (Sinco-430) was also modelled using the second-order equation and an activation energy of 6.34 kJ/mol was reported, which also suggests pore-diffusion control (Zhuang et al, 2020). Similarly, manganese adsorption on a spent zeolite was also described by the pseudo-second order equation and the activation energy was 55.6 kJ/mol, which can be also ascribed to pore-diffusion control (Figueiredo et al, 2018).…”
Section: Mg/ml-resinmentioning
confidence: 93%
“…Manganese sorption on a cation-exchange resin (Sinco-430) was also modelled using the second-order equation and an activation energy of 6.34 kJ/mol was reported, which also suggests pore-diffusion control (Zhuang et al, 2020). Similarly, manganese adsorption on a spent zeolite was also described by the pseudo-second order equation and the activation energy was 55.6 kJ/mol, which can be also ascribed to pore-diffusion control (Figueiredo et al, 2018).…”
Section: Mg/ml-resinmentioning
confidence: 93%
“…Os experimentos apresentaram grande dependência à concentração inicial dos metais nas soluções aquosas e o tempo de contato com o adsorvente, com taxas de remoções maiores no início do experimento e sendo um processo extremamente endotérmico (Figueiredo et al, 2018;João et al, 2018). A remoção de manganês atingiu resultados superiores a 90% e atua em uma faixa de pH levemente básica.…”
Section: Manganêsunclassified