Validation of Two-Phase Flow Model for Leachate Recirculation in Bioreactor Landfills

Table 4

Initial conditions used for model validation for the published field study by Kadambala et al. [9].

Parameter	Value	Remarks	Source
Residual moisture content () (%)		(1) Laboratory experiments conducted on fresh MSW collected from French Bioreactor Landfill; (2) Laboratory experiments conducted on gravel	(1) Stoltz et al. [5]; (2) Haydar and Khire [12]
MSW	20
Gravel	2
van Genuchten parameter () (/kPa)
MSW	2.9–5.7 (3.5)
Gravel	5.7
van Genuchten parameter ()
MSW	0.318–0.88 (0.55)
Gravel	0.88
van Genuchten parameter ()	0.50
van Genuchten parameter ()	0.50
Porosity () (%)		40% to 80% Typical	Variable for (MSW)
MSW	68
Gravel	47
Saturated hydraulic conductivity () (cm/s)		Laboratory tests conducted on fresh MSW from bioreactor landfill in USA	Reddy et al. [10]; Haydar and Khire [12]
MSW	Table 5
Gravel