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Journal of Environmental Biology

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

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    Abstract - Issue Sep 2008, 29 (5)                                     Back


Interactions between marine facultative epiphyte Chlamydomonas sp

Applicability of leachates originating from solid-waste landfills for irrigation in landfill restoration projects

 

Reyhan Erdogan1, Zeynep Zaimoglu2, M. Yavuz Sucu*2, Fuat Budak2 and Secil Kekec2

 

1Department of Landscape Architecture, University of Cukurova, Balcali Kampusu? - 01330, Yuregir, Adana, Turkey

2Department of Environmental Engineering, University of Cukurova, Balcali Kampusu - 01330, Yuregir, Adana, Turkey

 

(Received: April 03, 2007; Revised received: August 01, 2007; Accepted: September 10, 2007)

 

Abstract: Since, landfill areas are still the most widely used solid waste disposal method across the world, leachate generated from landfills should be given importance. Leachate of landfills exerts environmental risks mostly on surface and groundwater, with its high pollutant content, which may cause unbearable water quality. This leads to the obligation for decontamination and remediation program to be taken into progress for the landfill area. Among a number of alternatives to cope with leachate, one is to employ the technology of phytoremediation. The main objective of this study was to determine the N accumulation ratios and the effects of landfill leachate in diluted proportions of chosen ratios (as 1/1, 1/2, 1/4, 0), on the growth and development of Cynodon dactylon, Stenotaphrum secundatum, Paspalum notatum, Pennisetum clandestinum, Mentha piperita, Rosmarinus officinalis, Nerium oleander, Pelargonium peltatum and Kochia scoparia species. In order to simulate the actual conditions of the landfill, soil covering the landfill is taken and used as medium for the trials. The study showed that S. secundatum, K. scoparia and N. oleander species had an impressive survival rate of 100%, being irrigated with pure leachate, while the others? survival rates were between 0 to 35% under the same conditions. As expected, application of leachate to the plants caused an increase in the accumulation of N, in the upper parts of all plants except P. peltatum. The highest N content incresase was observed at S. Secundatum set, accumulating 3.70 times higher than its control set, whereas P. clandestinum value was 3.41 times of its control set.

 

Key words:?? Landfill leachate, Pollution control, Natural treatment systems, Landfill restoration

PDF of full length paper is available with author (*ysucu@cu.edu.tr)

 

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