BIOSORPTION OF CADMIUM FROM AQUEOUS SOLUTIONS BY Synechocystis sp.


ELMACI A., ÖZENGİN N., YONAR T.

FRESENIUS ENVIRONMENTAL BULLETIN, vol.22, pp.1225-1229, 2013 (Peer-Reviewed Journal) identifier identifier

  • Publication Type: Article / Article
  • Volume: 22
  • Publication Date: 2013
  • Journal Name: FRESENIUS ENVIRONMENTAL BULLETIN
  • Journal Indexes: Science Citation Index Expanded, Scopus
  • Page Numbers: pp.1225-1229

Abstract

The aim of this research is to examine the removal of cadmium from aqueous solutions via biosorption using non-living microalgae (Synechocystis sp.) at different initial concentrations and pH values. The study attempted to identify the Cd (1) adsorption capacity of Synechocystis sp. The optimum pH value for biosorption of Cd (1) from aqueous solutions was determined to be 6, which resulted in a 98.6% removal efficiency. Cd (II) was adsorbed at all concentrations on Synechocystis sp. The maximum adsorption capacity of Synechocystis sp. was 9.17 for Cd (II). Significantly high correlation coefficients for the Langmuir adsorption isotherm models were found to describe the equilibrium behavior of cadmium.