Adsorption of zinc(II) from an aqueous solution onto activated carbon

Adsorption isotherms were measured experimentally for Zn(II) adsorption from aqueous solution onto commercial activated carbons C, F-400, F-300 and Centaur HSL in a batch adsorber. The effects of carbon type and solution pH on adsorption isotherms were evaluated in this work. Nearly three times as m...

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Bibliographic Details
Published in:Journal of hazardous materials 2002-02, Vol.90 (1), p.27-38
Main Authors: Leyva Ramos, R, Bernal Jacome, L.A, Mendoza Barron, J, Fuentes Rubio, L, Guerrero Coronado, R.M
Format: Article
Language:English
Subjects:
Activated carbon
Adsorption
Applied sciences
Aqueous solution
Carbon - chemistry
Chemistry
Exact sciences and technology
General and physical chemistry
Hydrogen-Ion Concentration
Industrial wastewaters
Pollution
Solid-liquid interface
Surface physical chemistry
Temperature
Wastewaters
Water Pollutants
Water treatment and pollution
Zinc - chemistry
Zinc(II)
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Summary:Adsorption isotherms were measured experimentally for Zn(II) adsorption from aqueous solution onto commercial activated carbons C, F-400, F-300 and Centaur HSL in a batch adsorber. The effects of carbon type and solution pH on adsorption isotherms were evaluated in this work. Nearly three times as much Zn(II) adsorbed onto C carbon as on the other three carbon types. The adsorption isotherm for Zn(II) was dependent on solution pH since Zn(II) did not adsorb to carbon below pH 2, and the adsorption isotherm increased as pH increased from 3 to 7. The adsorption isotherm of Zn(II) on C carbon was temperature independent while on F-400 the isotherm showed unusual behavior as temperature increased.
ISSN:0304-3894
1873-3336
DOI:10.1016/S0304-3894(01)00333-8