The use of testa of groundnut shell (Arachis hypogea) for the adsorption of Ni(II) from the aqueous system.
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ABSTRACT
This paper presents the use of testa of groundnut shell for the removal of nickel from dilute aqueous solutions at laboratory scale. The adsorption isotherm of Ni(II) on the testa of groundnut shell was carried out by the batch adsorption process. Various parameters such as initial concentration, pH and amount of the adsorbent doses were studied. The experimental adsorption data obtained followed both Langmuir as well as Freundlich isotherms. Maximum adsorption (85%) was observed at pH 6. The monolayer adsorption capacity was found to be 18.79 mg/g, which is greater than most of the low-cost adsorbents reported.
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Asunto principal:
Arachis
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Temperatura
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Contaminantes Químicos del Agua
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Purificación del Agua
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Adsorción
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Concentración de Iones de Hidrógeno
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Níquel
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Nueces
Idioma:
En
Año:
2006
Tipo del documento:
Article