The adsorption extraction of nickel(II) ions from aqueous solutions

Processes of the sorption of nickel(II) ions from aqueous solutions on carbon adsorbents synthesized based on fossil coals are investigated. The maximal adsorption is observed in a neutral medium. Adsorption isotherms are obtained under static conditions in various temperature modes. It is shown tha...

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Bibliographic Details
Published in:	Russian journal of non-ferrous metals Vol. 50; no. 1; pp. 9 - 12
Main Authors:	Syrykh, Yu. S., Dudarev, V. I., Afonina, T. Yu, Moskaeva, Yu. N.
Format:	Journal Article
Language:	English
Published:	Heidelberg Allerton Press, Inc 01-02-2009 Springer Nature B.V
Subjects:	Adsorbents Adsorption Aqueous solutions Carbon Chemistry and Materials Science Coal Fossils Isotherms Materials Science Metallic Materials Metallurgy of Non-Ferrous Metals Nonferrous metals Adsorption Isotherm Neutral Medium Granulometric Composition Nickel Sulfate Carbon Adsorbent
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Summary:	Processes of the sorption of nickel(II) ions from aqueous solutions on carbon adsorbents synthesized based on fossil coals are investigated. The maximal adsorption is observed in a neutral medium. Adsorption isotherms are obtained under static conditions in various temperature modes. It is shown that they are described satisfactorily by the Langmuir isotherm. The decrease in the value of adsorption as the temperature increases indicates that the process is exothermic. The kinetics of the process is investigated and thermodynamic parameters of adsorption are determined.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	1067-8212 1934-970X
DOI:	10.3103/S1067821209010039