Adsorption of Nickel (II) Ions by Aluminosilicates Modified by Poly-1-Vinyl Imidazole and Poly-4-Vinyl Pyridine

Data on the synthesis and sorption properties of natural calcium aluminosilicates modified by poly-1-vinyl imidazole (PVIm) and poly-4-vinyl pyridine (PVP) are presented. The fullest recovery of nickel (II) ions from low-concentration solutions is observed for PVP-modified aluminosilicates. Adsorpti...

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Published inProtection of metals and physical chemistry of surfaces Vol. 54; no. 4; pp. 582 - 586
Main Authors Pomazkina, O. I., Filatova, E. G., Lebedeva, O. V., Pozhidaev, Yu. N.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.07.2018
Springer Nature B.V
Subjects
Adsorption
Aluminosilicates
Aluminum silicates
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and Coatings
Imidazole
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Metallic Materials
Nickel
Organic chemistry
Physicochemical Processes at the Interfaces
Tribology
modified aluminosilicates
nickel (II) ions
adsorption
poly-1-vinyl imidazole
poly-4-vinyl pyridine
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Summary:Data on the synthesis and sorption properties of natural calcium aluminosilicates modified by poly-1-vinyl imidazole (PVIm) and poly-4-vinyl pyridine (PVP) are presented. The fullest recovery of nickel (II) ions from low-concentration solutions is observed for PVP-modified aluminosilicates. Adsorption of nickel (II) ions by PVIm-modified aluminosilicates is best described by the Freundlich adsorption model. In the case of PVP-modified aluminosilicates, the Langmuir model is more adequate. The free adsorption energy values indicate that the interaction between nickel (II) ions and modified aluminosilicates is of a chemical nature.
ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205118040135