Biodecolourization of Yellow Dye Using Chlorella Vulgaris and Sphaerocystics Schroeteri
American Journal of Biological and Environmental Statistics
Volume 5, Issue 1, March 2019, Pages: 1-6
Received: Dec. 14, 2018;
Accepted: Jan. 2, 2019;
Published: Jan. 31, 2019
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Ezenweani Sunday Raymond, Department of Marine Environment and Pollution Control, Faculty of Maritime Environmental Management, Nigeria Maritime University, Warri, Nigeria
Kadiri Medina Omo, Department of Plant Biology and Biotechnology, Faculty of Life Science, University of Benin, Benin City, Nigeria
The application of biodecolourization of textile effluents is a cost effective, environmental friendly and appropriate alternative measure in the treatment of textile effluents. In this study, two microalgae namely; Chlorella vulgaris and Sphaerocystis schroeteri were used. Yellow coloured dye was used for this study and dye solution were prepared in different concentrations of 1mg/l, 5mg/l, 10mg/l and 20mg/l. Significant decolourization was recorded in a 14 day experiment carried out by reading the absorbance of the dye solution inoculated with microalgae. Maximum decolourization by both algae was obtained at 10mg/l. In Chlorella vulgaris, maximum decolourization was 43.12% (10mg/l) while in Sphaerocystis schroeteri, maximum decolourization was 45.03% (10mg/l). The order of highest percentage decolourization for Chlorella vulgaris was 10mg/l, 20mg/l, 5mg/l, 1mg/l, while in Sphaerocystis schroeteri, the order was 10mg/l, 5mg/l, 20mg/l, 1mg/l. During the study, maximum dye decolourization, irrespective of the concentration and algae was obtained on the final day. In Chlorella vulgaris, the minimum and maximum decolourizations respectively, were 19.42% and 43.12%, but in Sphaerocystis schroeteri, the minimum and maximum decolourization respectively, were 24.27% and 45.03%. However, decolourization was significantly dependent on dye concentration. Comparatively, there was no significant difference between the percentage decolourization by the two microalgae.
Ezenweani Sunday Raymond,
Kadiri Medina Omo,
Biodecolourization of Yellow Dye Using Chlorella Vulgaris and Sphaerocystics Schroeteri, American Journal of Biological and Environmental Statistics.
Vol. 5, No. 1,
2019, pp. 1-6.
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