Pilot study of soil electrical conductivity, acidity, N and Ni parameters in AQ-Qala landfill leachate in soil columns with different texture

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KABOLI A.; EBRAHIMI S.; DAVARI M.

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Journal: Journal of Water and Soil Conservation Year:2019 | Volume:26 | Issue:1 Page(s): 255-260

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Title

Pilot study of soil electrical conductivity, acidity, N and Ni parameters in AQ-Qala landfill leachate in soil columns with different texture

Author(s)

KABOLI A. | EBRAHIMI S. | DAVARI M. | Issue Writer Certificate

Keywords

Aq-QalaQ2

LandfillQ1

PollutionQ2

Soil textureQ1

Abstract

Background and Objectives: Investigate how to movement, transport, distribution and transport Pollution of the liquid phase of urban wastes (leachate) is one of the important problems of urban and environmental community. On the other hand, soil with complex biophysical-chemical properties is a natural refining for a variety of pollutants. The aim of this study was to investigate the rate of variation of soil reaction, salinity, total nitrogen and nickel pollutant in Landfill anaerobic refined leachate in soil columns with clay loam, loam and sandy loam textures. Materials and Methods: This research was carried out in a completely randomized design in polyethylene columns in five periods of 20 days. Then, the amount of applied leachate were calculated taking into account the amount of leachate flow rate derived from the stored waste, and the 10-year rainfall data of the area, and were added to the columns of the mentioned soil in alternate waterlogging conditions. Results: The results of this study showed that the changes in the mean values of acidity in all three types of Soil texture decreased over time and application of higher amount of leachate. However, the texture of clay loam soil showed more changes. Also, mean values of electrical conductivity (EC) increased in loamy soil and decreased in other soils, but the decreasing trend in clay loam soil was more intense. The mean total nitrogen content of drainage reduced in clay loam and loam soils but increased in sandy loam soil. The mean changes in the amounts of nickel pollutant in drainage of waste leachate decreased over time in clay loam soil and increased in loam and sandy loam soils. However, changes in the amounts of nickel pollutant in drainage of waste leachate were not statistically significant. Conclusion: Although, with the continuation of leachate application, the amount of each of the desired parameters (nickel in loam and sandy loam soils, electrical conductivity in loam soil and total nitrogen in sandy loam soil) has been added to the outlet drainage of waste leachate, however, soil played a very effective role in improvement of leachate quality, so that the mean values of other parameters (soil salinity and soil reaction in clay loam and sandy loam soils, Ni in sandy loam soil and total nitrogen in clay loam and loam soils) in outlet drainage were always lower in all treatments than the entrance leachate to soil columns. Finally, it seems that the effect of clay loam soil on reducing the values of the mentioned parameters was higher and has a more effective role in the refining of the leachate Pollution load.

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APA: Copy

KABOLI, A., EBRAHIMI, S., & DAVARI, M.. (2019). Pilot study of soil electrical conductivity, acidity, N and Ni parameters in AQ-Qala landfill leachate in soil columns with different texture. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 26(1 ), 255-260. SID. https://sid.ir/paper/156510/en

Vancouver: Copy

KABOLI A., EBRAHIMI S., DAVARI M.. Pilot study of soil electrical conductivity, acidity, N and Ni parameters in AQ-Qala landfill leachate in soil columns with different texture. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2019;26(1 ):255-260. Available from: https://sid.ir/paper/156510/en

IEEE: Copy

A. KABOLI, S. EBRAHIMI, and M. DAVARI, “Pilot study of soil electrical conductivity, acidity, N and Ni parameters in AQ-Qala landfill leachate in soil columns with different texture,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 26, no. 1 , pp. 255–260, 2019, [Online]. Available: https://sid.ir/paper/156510/en

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