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- Title
Growth performance and phytoremediation ability of Azolla pinnata in produced water.
- Authors
ERIBO, O.; KADIRI, M. O.
- Abstract
In the present study, effect of produced water on the growth of Azolla pinnata was observed and the phytoremediating ability of the plant was also exploited. A. pinnata was grown in produced water concentrations of 0% (control), 5%, 10%, 15%, 20% and 25%. The plant exhibited reduced growth rate in a concentration dependent order. Toxicity symptoms of produced water on the plant include chlorosis, frond disintegration and eventual death. Produced water exposure resulted in less than 20% growth inhibition in 5-15 % treatment concentrations. The optimum removal efficiency concentration of produced water by A. pinnata was at 10-20%. It was revealed that A. pinnata has low potential for improving the quality of produced water at high concentrations. This study exposed the need for proper produced water treatment and strict monitoring to ensure compliance with standards set by regulatory bodies before its discharge to surface water to mitigate the environmental impacts.
- Subjects
PHYTOREMEDIATION; AZOLLA pinnata; OIL field brines; ENVIRONMENTAL impact analysis; PLANT growth inhibiting substances
- Publication
Journal of Applied Sciences & Environmental Management, 2016, Vol 20, Issue 4, p1053
- ISSN
1119-8362
- Publication type
Article
- DOI
10.4314/jasem.v20i4.18