Effects of oil refinery effluents on Selenastrum capricornutum PRINTZ

Gaur, J. P. ; Kumar, H. D. (1986) Effects of oil refinery effluents on Selenastrum capricornutum PRINTZ International Review of Hydrobiology, 71 (2). pp. 271-281. ISSN 1434-2944

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/iroh.19...

Related URL: http://dx.doi.org/10.1002/iroh.19860710214


Laboratory-based bioassay experiments using Selenastrum capricornutum PRINTZ as the test organism were conducted to evaluate the potentiality of refinery effluents to sustain algal growth. The raw effluents were remarkably toxic to the test alga, but satisfactory algal growth occurred in (diluted) 0.01 % effluents. The effluents from subsequent treatment stages required much less dilution to eliminate the toxicity. This study implicates oil and phenol in the reduction of algal growth in refinery effluents. A highly significant negative correlation was found between the final yield of the test alga and the concentration of oil or phenol in the culture suspension. The bioassay experiments therefore point to the toxic nature of refinery effluents. On the basis of these findings it is recommended that proper dilution of refinery effluents is necessary before they are discharged into any body of water.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons.
Keywords:Refinery Effluent; Oil; Phenol; Selenastrum; Bioassay
ID Code:90491
Deposited On:10 May 2012 10:30
Last Modified:10 May 2012 10:30

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