Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 32451
Effect of Landfill Leachate on Engineering Properties of Test Soil

Authors: S. A. Nta, M. J. Ayotamuno, I. J. Udom


The work presents result of laboratory analysis of the effects of landfill leachate on engineering properties of test soil. The soil used for the present study was a sandy loam soil and acidic in nature. It was collected at a depth of 0.9 m. The landfill leachate used was collected from a hole dug some meters away from dumped solid waste and analyzed to identify the pollutants and its effect on engineering properties of the test soil. The test soil applied with landfill leachate was collected at 0.25 and 0.50 m radial distances at a depth of 0.15, 0.30, 0.45 and 0.60 m from the point of application of leachate after 50 days were the application of the leachate end and 80 days from the start of the experiment for laboratory analysis. Engineering properties such as particle size distribution, specific gravity, optimum moisture content, maximum dry density, unconfined compressive strength, liquid limit, plastic limit and shrinkage limit were considered. The concentration of various chemicals at 0.25 and 0.50 radial distances and 0.15, 0.30, 0.45 and 0.6 m depth from the point of application of leachate were different. This study founds the effect of landfill leachate on the engineering properties of soil. It can be concluded that, the type of soil, chemical composition of the leachate, infiltration rate, aquifers, ground water table etc., will have a major role on the area of influence zone of the pollutants in a landfill.

Keywords: Engineering properties of test soil, landfill leachate, Municipal solid waste.

Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 444


[1] 40 CFR, “Introduction to Hazardous Waste Identification”, United States Environmental Protection Agency, 2005.
[2] G. F. Lee, & J. L. Anne. “Impact of Municipal and Industrial Non-Hazardous Waste Landfills on Public Health and the Environment: An Overview”, California EPA Comparative Risk Project, Sacramento, 1994.
[3] R. Miroslav, & N. B. Vladimir. Practical Environmental Analysis. Royal Society of Chemistry, Thomas Graham House. Science Park. Milton Road, Cambridge CB4 OWF. UK, 1998.
[4] APHA Standard. 3125B: Inductively coupled plasma/mass spectrometry method for trace metals. Washington, DC: American Public Health Association; 2005.
[5] IS: 3025 (Part 1), “Method of Sampling and Test (Physical and Chemical) for Water and Wastewater, Sampling”, Bureau of Indian Standards, New Delhi, India, 1987.
[6] J. K. Mitchell. “Fundamental of Soil Behavior”, John Wiley & Sons, New Jersey, 2005, pp. 288–290.
[7] Y. G. Jia, Q. Wu, X. M. Meng, X. J. Yang, Z. N. Yang, & G. C. Zhang. “Case Study on Influences of Oil Contamination on Geotechnical Properties of Coastal Sediments in the Yellow River Delta”, Proc. of International Symposium on Geo-environmental Engineering, Hangzhou, China, 2009.