The application of polymer inclusive membranes for removal of heavy metal ions from waste solutions

• Autorzy: Gajda B. , Bogacki M. B.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The aim of the conducted studies was to determine the possibility of selective separation and precipitation of metal ions from polimetalic solution containing nickel(II), cobalt(II), cadmium(II) and zinc(II) cations using polymer inclusive membranes. 1-decylimidazole was used in membrane as a carrier of ions. The influence of chloride anions concentration on the process has also been investigated. Design/methodology/approach: Polymer inclusive membranes (PIM) containing cellulose acetate as a matrix, orto-nitrophenyl octyl ether (ONPOE) as a plasticizer and 1-decylimidazole as a carrier were used in investigations. The membrane processes were carried out in a membrane module for 24 hours. Findings: The results obtained point out a significant influence of chloride anions concentration on separation process of certain metal ions. It was observed that zinc(II) ions are isolated most effectively from the solution containing 2M of chloride anions. About 88% of Zn(II), 5.5% of Co(II), 6.5% of Cd(II) and below 1% of Ni(II) were separated from such a solution. Research limitations/implications: The obtained results show that it is possibility of the selective extraction of heavy metal ions from polymetallic chloride solutions in membrane processes. The aqueous solution containing 2M of chloride ions was used in the investigation. Practical implications: The results show that Zn(II) can be effectively recovered from solutions containing Co(II), Cd(II) and Ni(II). This process would allow the utilization of waste solutions containing the heavy metal ions. The results of the study presented in the paper can be used in the utilization process of the spent batteries and accumulators. Originality/value: The innovative issue shown in this paper concerns the usage of 1-decylimidazole in selective separation of nickel(II), cobalt(II), cadmium(II) and zinc(II) ions in membrane process using PIM.

Słowa kluczowe

EN

ions separation; polymer inclusive membranes; 1-decylimidazole; nickel(II) cobalt(II); zinc(II); cadmium(II) ions

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2012
• Tom: Vol. 55, nr 2
• Strony: 673--678
• Opis fizyczny: Bibliogr. 13 poz., rys., tab.

Twórcy

autor

Gajda B.

• Department of Metal Extraction and Recirculation, Częstochowa University of Technology, Al. Armii Krajowej 19, 42-200 Częstochowa, Poland

autor

Bogacki M. B.

• Division of Process Engineering, Poznań University of Technology, Pl. M. Skłodowskiej-Curie 2, 60-965 Poznań, Poland

Bibliografia

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