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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Jul 2019, 40 (4)                                     Back

nstantaneous and historical temperature effects on a-pinene



Biosorption of chromium from aqueous solution by Chaetomorpha antennina


Paper received: 30.10.2018???????????????????????????????????????????????????????????? Revised received: 06.03.2019????????????????????????????????????????????????????????????? Accepted: 16.03.2019



Authors Info

J. Madhusudhanan*,

M.S. Badhusha and D. Saranya     


Department of Biotechnology,

Shri Andal Alagar College of Engineering,

Chennai-603 111, India



*Corresponding Author Email :






Aim: Aquatic system poses a serious threat from industrial effluents having heavy metals and chromium due to its wide use in industry. It becomes a prime responsibility for removal of chromium ions from effluents before discharged into the aquatic body. Biosorption comes as an effective technology in the removal of heavy metals from industrial effluents. This study deals with biosorption of chromium from aqueous solution by Chaetomorpha antennina.    


Methodology: Biosorption of chromium was studied using microalgae Chaetomorpha antennina, as an adsorbent, which was characterized using Fourier Transform Infrared (FTIR) and Scanning Electron Microscope (SEM) to determine the functional groups and the structural characteristics, respectively. Equilibrium and optimization studies for various parameters like pH (1-11), adsorbent dosage (0.2 ? 1 g l-1), initial chromium concentration (10 ?g - 100 ?g ml-1) and agitation time (0 ? 50 mins) were examined using batch process.    


Results: The maximum percent removal of chromium ions was found to be 83% at pH 1 at an adsorbent dosage of 1g at a contact time of 30 min, which showed maximum adsorption.    


Interpretation: Biosorption of chromium ions onto the surface of Chaetomorpha antennina, showed that biosorption was dependent on the equilibrium pH of the solution, biosorbent and contact time.


Key words: Biosorption, Chaetomorpha antennina, Chromium, Industrial effluent




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