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IJC-A Vol.46A(02) [February 2007] >


Title: Biosorption of hexavalent chromium from aqueous solution by using prawn pond algae (Sphaeroplea)
Authors: Popuri, Srinivasa R
S, Kalyani
Kachireddy, Suresh R
A, Krishnaiah
Issue Date: Feb-2007
Publisher: CSIR
IPC CodeInt. Cl.⁸ C02F1/28; C02F3/32
Abstract: Biosorption of chromium (VI) on prawn pond biomass Sphaeroplea algae in natural and acid treated forms has been studied by using batch technique. The equilibrium biosorption level is a function of solution pH, agitation time, initial metal ion concentration and adsorbent dose at room temperature. Both Freundlich and Langmuir adsorption models are suitable for describing the biosorption of chromium (VI) on the two forms of algae while the adsorption process follows the Legergren kinetic model. The biomass has been characterized by FTIR spectra. Surface area values of the biomass are 0.9 and 2.1 m²/g for natural and acid treated forms respectively. At the optimum conditions, the maximum adsorption capacity is found to be 29.8 mg/g and 158.7 mg/g in natural and acid treated forms respectively.
Page(s): 284-289
ISSN: 0376-4710
Source:IJC-A Vol.46A(02) [February 2007]

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