Chemical Precipitation of Cations from Aqueous Solutions using Waste Sludge from the Solway Process as a Potential Agent

  • Halid Junuzović
  • Amra Selimović
  • Sabina Begić
  • Abdel Đozić
  • Ramzija Cvrk
  • Melisa Ahmetović
  • Hurija Alibašić
Keywords: chemical precipitation, heavy metals, waste sludge


Chemical precipitation is a useful conventional process to remove heavy metals from aqueous solutions. In this work, a waste sludge from the Solway process was used as a precipitation agent for the precipitation of Cu (II), Ni (II), Pb (II) and Zn (II) ions with an initial concentration of 50 mg/L. The results of the research showed that the waste sludge from the Solway process completely removed Pb (II) ions from the solution in the pH range of 8.39 -11.74, also good efficiency was shown in other cations. The maximum precipitation efficiency for Cu (II) is 99.890% at pH 10.98, Ni (II) 99.940% at pH 11.81, Zn (II) 99.616% at 10.1. Waste sludge is proved to be a good precipitate for cation separation.


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How to Cite
Halid Junuzović, Amra Selimović, Sabina Begić, Abdel Đozić, Ramzija Cvrk, Melisa Ahmetović, & Hurija Alibašić. (2020). Chemical Precipitation of Cations from Aqueous Solutions using Waste Sludge from the Solway Process as a Potential Agent. International Journal for Research in Applied Sciences and Biotechnology, 7(5), 329-336.

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