African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12487

Full Length Research Paper

Removal of phosphate and nitrate from aqueous solution using seagrass Cymodocea rotundata beads

G. N. Soumya
  • G. N. Soumya
  • Department of Biotechnology and Genetic Engineering, School of Life Sciences, Bharathidasan University, Tiruchirappalli-620 024, India.
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M. Manickavasagam
  • M. Manickavasagam
  • Department of Biotechnology and Genetic Engineering, School of Life Sciences, Bharathidasan University, Tiruchirappalli-620 024, India.
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P. Santhanam*
  • P. Santhanam*
  • Marine Planktonology and Aquaculture Laboratory, Department of Marine Science, School of Marine Sciences, Bharathidasan University, Tiruchirappalli - 620 024, India.
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S. Dinesh Kumar
  • S. Dinesh Kumar
  • Marine Planktonology and Aquaculture Laboratory, Department of Marine Science, School of Marine Sciences, Bharathidasan University, Tiruchirappalli - 620 024, India.
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P. Prabhavathi
  • P. Prabhavathi
  • PG & Research Department of Microbiology, Nadar Saraswathi College of Arts and Science, Theni - 625 531, India.
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  •  Received: 03 February 2015
  •  Accepted: 13 April 2015
  •  Published: 22 April 2015

Abstract

The aim of the present study was the removal of phosphate and nitrate by sodium alginate seagrass (Cymodocea rotundata) beads from aqueous solutions. The adsorption characteristics of phosphate and nitrate on the seagrass beads were optimized under different operational parameters like adsorbent dosage, initial concentration of phosphate and nitrate, retention time and pH. The results showed that 71% of phosphate and 62% of nitrate removal was obtained using this seagrass beads. It is concluded that seagrass beads is a relatively efficient, low cost and easily available adsorbent for the treatment of nutrients rich wastewater.

 

Key words: Biosorption, seagrass, Cymodocea rotundata, nutrients, beads.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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