Efficiency of Carbonate Precipitation and Removal of Copper and Nickel Ions from their Monocomponent and Two-component Aqueous Solutions

  • Halid Junuzović
  • Sabina Begić
  • Amra Selimović
  • Abdel Đozić
  • Ramzija Cvrk
  • Melisa Ahmetović
Keywords: Carbonate Precipitation, Water Treatment, Na2CO3, Copper, Nickel


The effect of pH and initial concentration on the removal of Cu(II) and Ni(II) ions from their monocomponent and two-component aqueous solutions using Na2CO3 as a chemical precipitation agent was investigated in this paper. Monocomponent aqueous solutions  of Cu(II) and Ni(II)  ions with their initial concentrations of 50 and 500 mg/L and two-component aqueous solution with initial concentration of 500 mg/L were prepared. The precipitation was carried out by batch method at room temperature by stirring the solution at 300 rpm for 5 minutes, resulting in the formation of precipitates. The resulting precipitate was separated by filtration from the solution. The experiment proved that Na2CO3 is a good agent for removing Cu(II) and Ni(II) ions from their monocomponent water solutions of 50 and 500 mg/L concentration and two-component water solution with initial concentration of each metal 500 mg/L. The percentage of Cu(II) removal was higher at lower pH values compared to Ni(II) removal.


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How to Cite
Halid Junuzović, Sabina Begić, Amra Selimović, Abdel Đozić, Ramzija Cvrk, & Melisa Ahmetović. (2019). Efficiency of Carbonate Precipitation and Removal of Copper and Nickel Ions from their Monocomponent and Two-component Aqueous Solutions. International Journal for Research in Applied Sciences and Biotechnology, 6(6), 11-15. https://doi.org/10.31033/ijrasb.6.6.3

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