Special Issue Article
Dynamics Phytoremediation of Zn and Diesel Fuel in Co-contaminated Soil using Biowastes
Agamuthu P and Dadrasnia A* | |
Institute of Biological Sciences, Faculty of Science, University of Malaya, Malaysia | |
Corresponding Author : | Dadrasnia A Institute of Biological Sciences Faculty of Science, University of Malaya, Malaysia Tel: +603 79674631 Fax: +603 79674631 E-mail: are.dadrasnia@gmail.com |
Received November 23, 2013; Accepted December 30, 2014; Published January 05, 2014 | |
Citation: Agamuthu P, Dadrasnia A (2013) Dynamics Phytoremediation of Zn and Diesel Fuel in Co-contaminated Soil using Biowastes. J Bioremed Biodeg S4:006. doi:10.4172/2155-6199.S4-006 | |
Copyright: © 2014 Agamuthu P, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. | |
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Abstract
In phytoremediation of co-contaminated soil, developing strategies is a major challenge for simultaneous and efficient remediation of multiple pollutants. A lab-scale experiment was set up to investigate the efficiency of adding 5% (w/w) individually of three different organic waste amendments [tea leaves, soycake and potato skin] to enhance the phytoaccumulation of Zinc and diesel fuel co-contaminated soil by Dracaena reflexa for a period of 180 days. Soil contaminated with Zn (80 mg kg-1DW) was spiked with an initial concentration of diesel fuel (25000 mg kg-1DW). Application of biowastes demonstrates significant degradation of DF compared to control soil. The highest rate of oil degradation was recorded in co-contaminated soil planted with D. reflexa and amended with SC (85%) followed by PS and TL (60 and 53.3%). Although the plants did not accumulate any hydrocarbon from the contaminated soil but there was significant bioaccumulation of Zn in the root and stem of Dracaena plant which was observed. At the end of 180 days, 16.5 mg/kg and 12.2 mg/kg of Zn in the root and the steam of D. reflexa was recorded. Results indicated that the D. reflexa could effectively extract Zn from Zn-contaminated soils even in the presence of diesel fuel concentration.