Sorption Properties of MIU-S Coal Sorbent in Relation to Nickel(II) Ions

The physicochemical and sorption properties of MIU-S carbon sorbent have been studied. The studies were carried out on a model solution of nickel(II) sulfate containing an additional 400 mg/L sodium sulfate in the pH range of 5–8. It has been shown that the MIU-S sorbent is capable of removing nicke...

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Bibliographic Details
Published in:Protection of metals and physical chemistry of surfaces 2021-05, Vol.57 (3), p.469-474
Main Authors: Linnikov, O. D., Rodina, I. V., Baklanova, I. V., Suntsov, A. Yu
Format: Article
Language:English
Subjects:
Carbon
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and Coatings
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Metallic Materials
Nickel sulfate
Physicochemical Processes at the Interfaces
Sodium sulfate
Sorbents
Sorption
Tribology
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Summary:The physicochemical and sorption properties of MIU-S carbon sorbent have been studied. The studies were carried out on a model solution of nickel(II) sulfate containing an additional 400 mg/L sodium sulfate in the pH range of 5–8. It has been shown that the MIU-S sorbent is capable of removing nickel(II) ions from solution by the mechanism of simple monomolecular adsorption described by the Langmuir equation. The parameters of this equation are determined for different pH values of the model solution. It was found that, with an increase in the pH of the solution from 5 to 8, the efficiency of sorption of nickel(II) ions by the MIU-S sorbent increases. The sorption properties of MIU-S with respect to nickel(II) ions are compared with the properties of other carbon (coal) sorbents described in the literature.
ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205121030163