PARAMETRIC ASSESSMENT OF SOIL RETENTION AT PRESENCE OF PETROLEUM IN THREEPHASE SYSTEM

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NOURI MILAD; HOMAEE MEHDI; BYBORDI MOHAMMED

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Journal: JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION Year:2013 | Volume:2 | Issue:2 Page(s): 15-24

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Title

PARAMETRIC ASSESSMENT OF SOIL RETENTION AT PRESENCE OF PETROLEUM IN THREEPHASE SYSTEM

Author(s)

NOURI MILAD | HOMAEE MEHDI | BYBORDI MOHAMMED | Issue Writer Certificate

Keywords

NAPLQ2

NAPL-WATER-AIR THREE-PHASE SYSTEMSQ2

SOIL HYDRAULIC MODELSQ2

SOIL RETENTION CURVEQ2

Abstract

Reclamation of oil-contaminated soils is essential for optimal conservation of soil and water resources. Any decontamination of such soils from hydrocarbons contamination requires quantitative evaluation of soil hydraulic properties at presence of such contaminants. The objective of this study was to investigate the soil retention in NAPL-water-air three-phase systems. Consequently, SOIL RETENTION CURVEs were obtained using hanging column method with three primary NAPL-water ratios 25-75, 50-50 and 75-25. The parameters of SOIL RETENTION CURVEs were then obtained based on van Genuchten, Brooks-Corey and Campbell models. The model performance was also evaluated based on ME, RMSE, EF, CD and CRM. The results indicated that by decreasing the amount of NAPLs, the pore size distribution parameters of the hydraulic models (n, λ and 1/b) and their bubbling pressure parameters were both reduced. Therefore, bubbling pressure and slope of SOIL RETENTION CURVEs were increased. The results also showed that in a given amount of soil liquid phase, more suction is needed to drain out fluids in three-phase (NAPL-water-air) systems compares to two-phase (water-air) system. Thus, in a given quantity of NAPL, the porous media provide more retention for three-phase systems. Also, the calculated statistics indicated that van Genuchten model provides more reasonable predictions for NAPLs retention in three-fluid phase systems for monotonic drainage paths.

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APA: Copy

NOURI, MILAD, HOMAEE, MEHDI, & BYBORDI, MOHAMMED. (2013). PARAMETRIC ASSESSMENT OF SOIL RETENTION AT PRESENCE OF PETROLEUM IN THREEPHASE SYSTEM. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, 2(2), 15-24. SID. https://sid.ir/paper/232280/en

Vancouver: Copy

NOURI MILAD, HOMAEE MEHDI, BYBORDI MOHAMMED. PARAMETRIC ASSESSMENT OF SOIL RETENTION AT PRESENCE OF PETROLEUM IN THREEPHASE SYSTEM. JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION[Internet]. 2013;2(2):15-24. Available from: https://sid.ir/paper/232280/en

IEEE: Copy

MILAD NOURI, MEHDI HOMAEE, and MOHAMMED BYBORDI, “PARAMETRIC ASSESSMENT OF SOIL RETENTION AT PRESENCE OF PETROLEUM IN THREEPHASE SYSTEM,” JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION, vol. 2, no. 2, pp. 15–24, 2013, [Online]. Available: https://sid.ir/paper/232280/en

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