PREDICTION OF LANDFILL LEACHATE AMOUNT USING HELPMODEL CASE STUDY: SEMNAN LANDFILL

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ZOQI M.J.; GHAVIDEL A.

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Journal: IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT Year:2011 | Volume:4 | Issue:1 (11) Page(s): 65-76

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Title

PREDICTION OF LANDFILL LEACHATE AMOUNT USING HELPMODEL CASE STUDY: SEMNAN LANDFILL

Author(s)

ZOQI M.J. | GHAVIDEL A. | Issue Writer Certificate

Keywords

LANDFILLQ3

HELPQ2

SEMNANQ2

LEACHATEQ3

Abstract

Background and Objectives: Owing to the non-seperated municipal solid wastes the LEACHATE form in land fills contain high amounts of heavy metalls and toxic substances Hence, LEACHATE treatment is a serious problem. In order to design LEACHATE treatment and collection systems, estimation of quality and quantity of LEACHATE is of high necessity. Hydrologic Evaluation of LANDFILL Performance (HELP) Model was used to estimate LEACHATE generation in the lined LANDFILL cells for a variety of conditions. The HELP program is a quasi-two-dimensional hydrologic model for conducting water balance analysis of LANDFILLs, cover systems, and other solid waste containment facilities. In this paper HELP program is used to predict LEACHATE generating in SEMNAN LANDFILL after its operational life.Materials andMethods: HELPmodel useweather, soil and design data to estimate LEACHATE quantity.The meteorological data were obtained from SEMNAN Atmospheric Data Centre. Soil mechanics examinations in the LANDFILL area were applied to achieve soil data. In addition, design parameters were based on SEMNAN LANDFILL design specifications. SEMNAN LANDFILL capacity is designed so as to accommodate municipal solid wastes generated during the next 25 years.Results: In this study result indicated that precipitation and evapotranspiration has the most influenced on LEACHATE generation increase and decrease, respectively.82% of annual precipitation isn.t percolated into SEMNAN LANDFILL due to evapotranspiration. HELP Model simulations were indicated that the maximum and average value of LEACHATE height above barrier layer is 36 and 3mm, respectively.Conclusion: SEMNAN LANDFILL is designed under minimum standard condition. Therefore, low height of LEACHATE generated is due to area weather. The precipitation amount is low while the evapotranspiration amount is high in this area. High evapotranspiration is due to high temperature and solar radiation in SEMNAN LANDFILL area. High evapotranspiration in the LANDFILL cap caused 14.2% of the precipitation to infiltrate into the wastes and became LEACHATE.

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APA: Copy

ZOQI, M.J., & GHAVIDEL, A.. (2011). PREDICTION OF LANDFILL LEACHATE AMOUNT USING HELPMODEL CASE STUDY: SEMNAN LANDFILL. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 4(1 (11)), 65-76. SID. https://sid.ir/paper/146153/en

Vancouver: Copy

ZOQI M.J., GHAVIDEL A.. PREDICTION OF LANDFILL LEACHATE AMOUNT USING HELPMODEL CASE STUDY: SEMNAN LANDFILL. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2011;4(1 (11)):65-76. Available from: https://sid.ir/paper/146153/en

IEEE: Copy

M.J. ZOQI, and A. GHAVIDEL, “PREDICTION OF LANDFILL LEACHATE AMOUNT USING HELPMODEL CASE STUDY: SEMNAN LANDFILL,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 4, no. 1 (11), pp. 65–76, 2011, [Online]. Available: https://sid.ir/paper/146153/en

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