Sorption of copper(II) and silver(I) by four bacterial exopolysaccharides.

  title={Sorption of copper(II) and silver(I) by four bacterial exopolysaccharides.},
  author={M Deschatre and F Ghillebaert and Jean Gu{\'e}zennec and C. Colin},
  journal={Applied biochemistry and biotechnology},
  volume={171 6},
Metal remediation was studied by the sorption of analytical grade copper Cu(II) and silver Ag(I) by four exopolysaccharides (EPS) produced by marine bacteria. Colorimetric analysis showed that these EPS were composed of neutral sugars, uronic acids (>20 %), acetate, and sulfate (29 %). Metal sorption experiments were conducted in batch process. Results showed that the maximum sorption capacities calculated according to Langmuir model were 400 mg g(-1) EPS (6.29 mmol g(-1)) and 333 mg g(-1) EPS… CONTINUE READING

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