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Simultaneous Biosorption of Chromium (III) and Chromium (VI): Application of Multiple Response Optimizations

Author

Listed:
  • John Babu D Author-Workplace- Department of Biotechnology, Vignan’s Foundation for Science Technology and Research, Andhra Pradesh, India.
  • Sumalatha B Author-Workplace- Department of Chemical Engineering, Vignan’s Foundation for Science Technology and Research, Andhra Pradesh, India
  • Venkateswarulu T.C Author-Workplace- Department of Biotechnology, Vignan’s Foundation for Science Technology and Research, Andhra Pradesh, India.
  • King Pulipati Author-Workplace- Department of Chemical Engineering, Andhra University College of Engineering, Visakhapatnam, Andhra Pradesh, India.
  • Ranga Rao A Author-Workplace- Department of Biotechnology, Vignan’s Foundation for Science Technology and Research, Andhra Pradesh, India.

Abstract

This work aims, optimization of simultaneous biosorption of Cr(III) and Cr(VI) onto Gelidilla acerosa, a marine macro algae using multiple response optimization combined with central composite design of experiments. The three important physicochemical parameters of biosorption such as initial pH, initial concentration of metal solution and biosorbent dosage were optimized. The most favorable condition for simultaneous removal of Cr(III) and Cr(VI) were: pH 2.8, initial concentration 20 mg l-1 and biosorbent dosage 0.05g with maximum overall desirability of 1.0. Surface morphological features of biosorbent were studied using FTIR.

Suggested Citation

  • John Babu D Author-Workplace- Department of Biotechnology, Vignan’s Foundation for Science Technology and Research, Andhra Pradesh, India. & Sumalatha B Author-Workplace- Department of Chemical Engi, 2019. "Simultaneous Biosorption of Chromium (III) and Chromium (VI): Application of Multiple Response Optimizations," Agricultural Research & Technology: Open Access Journal, Juniper Publishers Inc., vol. 23(3), pages 285-293, November.
    • Handle: RePEc:adp:artoaj:v:23:y:2019:i:3:p:285-293
    DOI: 10.19080/ARTOAJ.2019.23.5556230
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